08th week of 2016 patent applcation highlights part 61 |
Patent application number | Title | Published |
20160056850 | RECEIVER, COMMUNICATION DEVICE, AND COMMUNICATION METHOD - To provide a receiver, a communication device, and a communication method capable of restoring a signal transmitted via a non-contact transmission channel with high accuracy. A communication device has a transmission circuit that converts an input signal into a pulse, a non-contact transmission channel that has a primary side coil and a secondary side coil and transmits the pulse from the transmission circuit in a non-contact manner, a restoration circuit that restores the input signal on the basis of a reception signal corresponding to the pulse transmitted via the non-contact transmission channel, an initialization unit that initializes an output of the non-contact transmission channel, and an initialization control unit that outputs a control signal of controlling the initialization unit on the basis of the reception signal corresponding to the pulse received via the non-contact transmission channel. | 2016-02-25 |
20160056851 | DATA PROCESSING DEVICE - One example discloses a data processing device, comprising: a local oscillator (LO) having an LO frequency output, an LO performance parameter output, and an LO frequency select input; and a degradation detection module, coupled to the LO performance parameter output and to the LO frequency select input, and including an LO frequency select module triggered by the LO performance parameter output. Another example discloses an article of manufacture comprises at least one non-transitory, tangible machine readable storage medium containing executable machine instructions for controlling a data processing device which comprise: monitoring a set of local oscillator (LO) performance parameters; setting an LO degraded state when at least one of the LO performance parameters is not within a predetermined range; and adjusting an LO frequency in response to the LO degraded state. | 2016-02-25 |
20160056852 | ELECTRONIC DEVICE CASES AND ELECTRONIC DEVICE HAVING THE SAME - An electronic device case is provided. The electronic device includes a first case having a first groove and a second case. The second case includes a first body, a connection portion formed at the first body so as to be coupled with the first case when the first body is inserted into the first groove, and a card holding portion where a partition is formed to attach a card to the first body. | 2016-02-25 |
20160056853 | Radio-Frequency Device and Wireless Communication Device - A radio-frequency device for a wireless communication device includes an antenna, a capacitive sensing unit, a connecting unit comprising a first terminal electrically connected to a radiating element of the antenna, a second terminal and a third terminal, conducting to each other, a direct-current (DC) blocking element for cutting off a DC signal route between the second terminal of the connecting unit and a signal feed-in unit of the antenna, a sensing auxiliary unit including a high-frequency blocking element for blocking a high-frequency signal route between the third terminal of the connecting unit and the capacitive sensing unit, and at least a capacitor connected to the high-frequency blocking element in series and electrically connected between the third terminal of the connecting unit and the capacitive sensing unit, for decreasing an equivalent capacitance from the connecting unit to the radiating element. | 2016-02-25 |
20160056854 | Popup Sleeve for a Mobile Device - A sleeve for a mobile computing device. The sleeve includes a top surface, a bottom surface, and an elastic band attached to the bottom surface. The top surface includes a plurality of first edges. The bottom surface includes a plurality of second edges. One or more of the plurality of second edges are attached to one or more of the plurality of first edges for form a pocket for the mobile computing device. The elastic band is configured to be in a stretched state when the mobile computing device is disposed within the pocket and in a not-stretched state when the mobile computing device is not disposed within the pocket. The elastic band is configured to incline a portion of the top surface when in the not-stretched state to provide an inclined surface onto which the mobile computing device may be disposed. | 2016-02-25 |
20160056855 | MOBILE PHONE ENCLOSURES WITH MONEY CLIP - The present invention includes a mobile phone enclosure which provides a user access to the features of the mobile device within a protective enclosure further providing at least one appearance enhancing device. Such an enclosure may comprise a brush and/or comb and may provide at least one storage area for the appearance enhancing device. Such a protective enclosure may be for an electronic device having interactive controls and may comprise a protective shell substantially surrounding said electronic device when the electronic device is disposed in said shell, the electronic device being insertable in and removable from said shell by hand and having at least one opening in the shell substantially aligned with the interactive controls when the electronic device is disposed in the protective shell, and having at least one appearance enhancement device removabley disposed within the bounds of the shell. | 2016-02-25 |
20160056856 | Two-Piece Case with Black or Dark Colored Opening for Camera and Flash of Portable Electronic Device - A case for an electronic device protects the electronic device. The case has a lower case portion and an upper case portion, which assemble together to protect the electronic device. A back of the case can include a back opening to expose a camera lens and flash of the electronic device or first and second back openings. The first back opening exposes the camera lens, and the second back opening exposes the flash. The back opening can include a ring. The back opening or ring, or both, can be colored in a black or dark color, which will help reduce or prevent glare from a flash to a camera of the electronic device. The case can include a battery that can extend the battery life of the electronic device. | 2016-02-25 |
20160056857 | SYSTEMS AND METHODS FOR IMPLEMENTING RECEIVER TRANSPARENT Q-MODE - In a receiver transparent Q-mode, i.e., a Q-mode that is only implemented by a transmitter, the receiver is unaware of the Q-mode state of the transmitter. In this type of Q-mode configuration, the transmitter could enter and exit Q-mode as desired while the receiver, could, for example, continue to function as if operating normally, such as in “showtime.” Through this approach, it is not necessary for the receiver to detect the transmitter's entry and exit of Q-mode. | 2016-02-25 |
20160056858 | SPREAD SPECTRUM METHOD AND APPARATUS - A spread spectrum communications method is based on time compression in which a sampled message signal at a first rate is transmitted at a higher sampling rate. Robustness is achieved by dividing the signal into overlapping segments, transmitting each segment fast enough so that the segments no longer overlap. The segments are received and the data signal reconstructed by overlap-adding the segments. | 2016-02-25 |
20160056859 | METHOD OF STARTUP SEQUENCE FOR A PANEL INTERFACE - A system for starting a point-to-multi-point serial communications system. The system includes a transmitter having a sync connection and a plurality of data outputs and a plurality of receivers, each of the plurality of receiver having a sync connection and a data input; the data input of each of the plurality of receivers being connected to a respective one of the plurality of data outputs of the transmitter; and the sync connection of the transmitter being connected, by a conductor, to the sync connection of each of the plurality of receivers, each of the plurality of receivers comprising a first impedance and a first switch, the first impedance and the first switch configured to establish, when the first switch is closed, a current path between the sync connection of the receiver and a first voltage source in the receiver. | 2016-02-25 |
20160056860 | WAVEGUIDE, WAVEGUIDE MANUFACTURING METHOD, AND WIRELESS TRANSMISSION SYSTEM - A waveguide includes: a dielectric including two surfaces, an electric field intersecting with the two surfaces; metal-plating layers coating the two surfaces of the dielectric, the electric field intersecting with the two surfaces; and a protective layer coating a periphery of the dielectric including the two surfaces coated with the metal-plating layers. A wireless transmission system includes: a sender configured to send a high-frequency signal; and a receiver configured to receive the high-frequency signal. The waveguide is used as a waveguide configured to transmit the high-frequency signal between the sender and the receiver in the wireless transmission system. | 2016-02-25 |
20160056861 | COMMUNICATION TERMINAL AND COMMUNICATION SYSTEM - In a communication terminal, a power receiving circuit is connected to a transmission cable having two wires through junctions, and configured to receive electric power supplied from the transmission cable. A transmission circuit is connected between the junctions, and configured to transmit a current-mode signal on the transmission cable by short-circuiting therebetween. An intermediate circuit includes a series circuit of an inductor and a capacitor, and is connected in parallel with the transmission circuit between the junctions and also exists between the junctions and the power receiving circuit. The power receiving circuit is connected between both ends of the capacitor. | 2016-02-25 |
20160056862 | NEAR FIELD COMMUNICATION DEVICE AND ACTUATING METHOD THEREOF - A near field communication device communicating with a smart terminal is presented, the near field communication device includes a controller, a near field communication (NFC) module, and a sensor. The sensor detects different operating motions of the near field communication device related to the smart terminal. The controller actuates different operating modes of the NFC module according to different operating motions detected by the sensor. An actuating method of the near field communication device is also provided. | 2016-02-25 |
20160056863 | COMMUNICATION APPARATUS, CONTROL METHOD, AND STORAGE MEDIUM - A communication apparatus includes first communication means having a first communication function for wirelessly communicating with a partner apparatus, and second communication means having an electric power supply function for wirelessly supplying electric power to the partner apparatus and a second communication function for wirelessly communicating with the partner apparatus. The second communication function is for transmitting specific data sequence to the partner apparatus in response to reception of specific data from the partner apparatus, and the electric power supply function is for supplying electric power to the partner apparatus in a case of receiving from the partner apparatus, with the first communication means, a signal indicating that the partner apparatus has received the data sequence. | 2016-02-25 |
20160056864 | SYSTEM AND METHOD FOR CLOSE PROXIMITY COMMUNICATION - A system and method for close proximity communication is disclosed. The method comprises detecting a signal transmitted by a close proximity communication (CPC) device at a distance of one of greater than and less than a CPC detection perimeter with a multi-mode magnetic induction communication (MMMIC) device having at least one antenna. The type of device transmitting the detected signal is identified. The MMMIC device is enabled to communicate with the close proximity communication device at one of the distance of greater than the CPC detection perimeter and less than the CPC detection perimeter based on the type of device that is identified. | 2016-02-25 |
20160056865 | DISTRIBUTED ANTENNA SYSTEM WITH ADAPTIVE ALLOCATION BETWEEN DIGITIZED RF DATA AND IP FORMATTED DATA - Embodiments described herein provide for a distributed antenna system including a host unit and an active antenna unit (AAU). The AAU is configured to wirelessly communicate with, and to receive uplink radio frequency (RF) signals from, one or more wireless devices. The AAU is further configured to sample the uplink RF signals to generate digitized RF data. The AAU includes an Ethernet interface for receiving Internet Protocol (IP) formatted data from an IP device coupled to the Ethernet interface. The AAU is configured to transport the digitized RF data and the IP formatted data over a transport signal to the host unit, the transport signal including a plurality of bits. The AAU is configured to adaptively adjust the number of bits that are allocated to the digitized RF data and the number of bits that are allocated to the IP formatted data. | 2016-02-25 |
20160056866 | DISTRIBUTED ANTENNA SYSTEM TO TRANSPORT FIRST CELLULAR RF BAND CONCURRENTLY WITH ETHERNET OR SECOND CELLULAR RF BAND - Embodiments described herein relate to a host unit for a distributed antenna system. The host unit includes a first radio access network (RAN) interface module to communicate with a RAN node. The host unit also includes a distribution module configured to distribute transport signals between one or more downstream RJ45 connectors and the first RAN interface module. One or more non-permanent connectors are included to couple the distribution module to a second RAN interface module and one or more upstream RJ45 jacks. The one or more upstream RJ45 jacks are configured to pass Ethernet signals therethrough. The distribution module is configured to couple a downlink portion of the first transport signals and either a downlink portion of the second transport signals or a downlink Ethernet signal from one of the upstream RJ45 jacks to a first twisted pair cable connected to one of one or more downstream RJ45 jacks. | 2016-02-25 |
20160056867 | BASE STATION AND MASSIVE MIMO COMMUNICATION METHOD - A base station that includes a data control circuitry that processes a transmission signal to be simultaneously transmitted to a plurality of mobile terminals; a modulator circuitry that modulates the transmission signal processed by the data control circuitry; a radio frequency modulator circuitry that modulates the transmission signal modulated by the modulator circuitry into a radio frequency transmission signal; and a plurality of antennas that wirelessly transmit the radio frequency transmission signal to the plurality of mobile terminals. In a case that the number of the plurality of mobile terminals to which the transmission signal is to be transmitted is Nv and the number of the plurality of antennas is Nb, the data control circuitry multiplies the transmission signal by a precode matrix. | 2016-02-25 |
20160056868 | BASE STATION AND COMMUNICATION CONTROL METHOD - A base station according to a first aspect is configured to transmit a radio signal to a user terminal in an own cell by using a plurality of transmission antennas. The base station comprises: a controller configured to notify the user terminal of a multi-antenna transmission mode to be applied to a transmission of the radio signal; and a transmitter configured to transmit the radio signal by using the plurality of transmission antennas by the multi-antenna transmission mode notified to the user terminal. The controller reduces a number of transmission antennas to be used for the transmission of the radio signal so as to reduce power consumption of the base station. The controller maintains the multi-antenna transmission mode notified to the user terminal without changing the multi-antenna transmission mode, even when reducing the number of transmission antennas to be used for the transmission of the radio signal. | 2016-02-25 |
20160056869 | METHOD AND DEVICE FOR SENDING USER-SPECIFIC REFERENCE SIGNAL - Disclosed are a method and device for sending a user-specific reference signal. The method provided in the present invention includes: determining a modulus identification, and performing interference elimination processing on a user-specific reference signal according to the modulus identification to obtain the user-specific reference signal after the interference elimination processing; performing beamforming processing on the user-specific reference signal after the interference elimination processing to obtain a beamforming reference signal; and performing inverse fast fourier transform (IFFT) and digital-analogue conversion on the beamforming reference signal to obtain an analogue signal of the user-specific reference signal, and sending the analogue signal to a user terminal. | 2016-02-25 |
20160056870 | METHOD, SYSTEM, AND DEVICE FOR DETERMINING PRE-CODING MATRIX - A method, system, and device for determining a pre-coding matrix that can be used to determine an integral pre-coding matrix. The method of the embodiments of the present invention comprises: a user device determines a third pre-coding matrix according to a first pre-coding matrix and a second pre-coding matrix; an integral pre-coding matrix is determined according to the determined third pre-coding matrix, the integral pre-coding matrix being a sub-matrix of the third pre-coding matrix; integral pre-coding matrix information is determined according to the integral pre-coding matrix, and is transmitted to the network device. Because the user device determines that the integral pre-coding matrix is a sub-matrix of the third pre-coding matrix, which is determined according to the first pre-coding matrix and the second pre-coding matrix, the integral matrix code can be determined, thereby enhancing data transmission efficiency and system performance. | 2016-02-25 |
20160056871 | RADIO COMMUNICATION SYSTEM AND RADIO BASE STATION APPARATUS - A radio communication system includes a first radio base station having multiple antenna elements, and user equipment, wherein, for initial connection of the user equipment to the first radio base station, the first radio base station applies different precoding vectors to a downlink user common signal transmitted to all users located in or near a serving area of the first radio base station, and transmits the downlink user common signal while changing the applied precoding vector; wherein the user equipment selects a desired one of the precoding vectors applied to the downlink user common signal, and reports a selection result to the first radio base station, and wherein the first radio base station precodes a data signal addressed to the user equipment using the selected precoding vector and transmits the precoded data signal to the user equipment. | 2016-02-25 |
20160056872 | PRECODING METHOD, TRANSMITTING DEVICE, AND RECEIVING DEVICE - A transmission scheme for transmitting a first modulated signal and a second modulated signal in the same frequency at the same time. According to the transmission scheme, a precoding weight multiplying unit multiplies a precoding weight by a baseband signal after a first mapping and a baseband signal after a second mapping and outputs the first modulated signal and the second modulated signal. In the precoding weight multiplying unit, precoding weights are regularly hopped. | 2016-02-25 |
20160056873 | METHOD, USER EQUIPMENT AND BASE STATION FOR DETERMINING PRECODING MATRIX INDICATOR - The present disclosure discloses a method, a user equipment and a base station for determining a PMI. The method includes: receiving a reference signal set sent by a base station; based on the reference signal set, selecting a precoding matrix from a codebook, the codebook at least including a non-constant modulus precoding matrix, the non-constant modulus precoding matrix at least including a non-constant modulus column vector, amplitude values of at least two elements of the non-constant modulus column vector forming a symmetrical sequence; and sending a PMI to the base station, the PMI corresponding to the selected precoding matrix. According to the method, the user equipment and the base station for determining PMI, because the non-constant modulus precoding matrix included in the adopted codebook can adjust the shape of a beam, antennas may focus power on a hotspot region, and thus a load balance may be effectively realized. | 2016-02-25 |
20160056874 | DISTRIBUTED ANTENNA SYSTEM WITH UPLINK BANDWIDTH FOR SIGNAL ANALYSIS - One embodiment is directed towards a distributed antenna system (DAS). The DAS includes a host unit a plurality of remote units communicatively coupled to the host unit. The plurality of remote units are configured to implement a common arrangement of resource blocks for uplink transport signals. The host unit is configured to instruct a subset of the plurality of remote units to send a digital sample stream over a monitor path of their respective uplink transport signals. One or more simulcast modules are configured to sum the monitor paths from the respective uplink transport signals to generate a summed digital sample stream, the one or more simulcast modules configured to send the summed digital sample stream to the host unit. The host unit is configured to provide a signal based on the summed digital sample stream to one or more signal analysis modules | 2016-02-25 |
20160056875 | LAYER ALIGNMENT METHOD AND APPARATUS FOR MULTILAYER THREE-DIMENSIONAL BEAMFORMING IN WIRELESS COMMUNICATION SYSTEM - A method for transmitting feedback information for fractional beamforming using a massive antenna array from a User Equipment (UE) to a Base Station (BS) in a wireless communication system is disclosed. The method includes receiving information about a plurality of Reference Signal (RS) resources from the BS; selecting at least one of a sub-precoder for at least one RS resources, and one linking precoder for linking the RS resources, based on a preset codebook; and reporting information about the selected precoder to the BS. The selected precoder is one precoding matrix of precoding matrices included in the codebook or a permuted form of the one precoding matrix, and the information about the selected precoder includes an index and permutation in formation of the one precoding matrix. | 2016-02-25 |
20160056876 | COMMUNICATION SYSTEM, BASE STATION, MOBILE STATION, AND RECEPTION QUALITY DETERMINATION METHOD - A communication system includes a base station including a plurality of antennas that separate from each other and a mobile station. The base station maps a plurality of reference signals separable from each other onto the antennas to transmit the mapped reference signals. The mobile station determines, using the received reference signals, reception quality in consideration of gain of beam-forming transmission performed by the base station with the antennas, and notifies the base station of the determined reception quality. | 2016-02-25 |
20160056877 | METHOD AND APPARATUS FOR REPORTING CHANNEL STATE INFORMATION IN WIRELESS COMMUNICATION SYSTEM - One embodiment of the present invention relates to a method by which a terminal reports channel state information (CSI) in a wireless communication system, the method comprising: a step of receiving a downlink signal including an uplink approval; and a step of reporting CSI when a CSI request field included in the downlink signal triggers CSI reporting. The CSI reporting trigger also indicates which sub-frame set of a plurality of sub-frame sets assigned to the terminal which the CSI reporting is related to. | 2016-02-25 |
20160056878 | USER APPARATUS AND USER ASSIGNMENT INFORMATION ESTIMATION METHOD - A user apparatus that is used in a radio communication system including a plurality of base stations, and that includes a function for performing interference reduction based on user assignment in an interference cell, including: interference pattern generation means that generates a plurality of interference patterns each of which is a combination of presence or absence of an interference signal in a given number of interference cells for the user apparatus; reception quality calculation means that calculates a reception quality after interference reduction for each of the plurality of interference patterns generated by the interference pattern generation means; and user assignment information estimation means that determines presence or absence of an interference signal in each interference cell corresponding to an interference pattern based on which the best reception quality is obtained in reception qualities calculated by the reception quality calculation means to be presence or absence of user assignment. | 2016-02-25 |
20160056879 | INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD AND PROGRAM - An information processing system includes a relay device and first and second information processing devices. The relay device includes a reception unit that receives from a communication terminal a process request indicating first and second processes; and a terminal request transmission unit that sends the process request to the first information processing device in response to a first request, and sends an execution result of the first process and the process request to the second information processing device in response to a second request. The first information processing device includes a first process control unit that controls to execute the first process according to the process request; and a transmission unit that sends the execution result and the process re quest. The second information processing device includes a second process control unit that controls to execute the second process based on the execution result according to the process request. | 2016-02-25 |
20160056880 | RELAY APPARATUS AND METHOD OF CONTROLLING RELAY APPARATUS - A relay apparatus of the present disclosure is a relay apparatus which is connected to a host apparatus by a first communication method and to a terminal apparatus by a second communication method, and which transmits data to the terminal apparatus and receives data from the terminal apparatus in accordance with an instruction from the host apparatus, the relay apparatus including a communication quality measuring unit which extracts communication quality of the second communication method, a packet processor which detects an error in connection with the terminal apparatus, and an error transmission determining unit which changes timing of notifying the host apparatus of the error detected in the packet processor in accordance with the communication quality extracted in the communication quality measuring unit. | 2016-02-25 |
20160056881 | MULTI-STAGE LINEARIZER - A high-linearity linearizer system includes a multi-stage linearizer circuit formed by cascading multiple linearizer circuits. The multi-stage linearizer circuit is configured to pre-distort an input signal to generate a pre-distorted signal. A non-linear high-power amplifier (HPA) having non-linear characteristics is coupled to the multi-stage linearizer circuit and is configured to amplify the pre-distorted signal. Pre-distortion characteristics of the multi-stage linearizer circuit are configured to counter the non-linear characteristics of the non-linear HPA and to compensate a non-linearity of the non-linear HPA to achieve a desired level of linearity. | 2016-02-25 |
20160056882 | Method And System For Femtocell Positioning Using Low Earth Orbit Satellite Signals - Methods and systems for femtocell positioning using low Earth orbit (LEO) satellite signals may comprise receiving LEO RF satellite signals utilizing a LEO satellite signal receiver path when medium Earth orbit (MEO) signals are attenuated below a threshold needed for positioning purposes. A position of said wireless communication device (WCD) may be measured based on the received LEO RF satellite signals. The measured position of the WCD may be compared to a threshold radius defined by a stored initial position. Wireless communication services to the other WCDs may be enabled when the measured position is within the threshold radius. Reentry of the stored initial position may be requested when the measured position is outside of the threshold radius. The WCD may be disabled when the measured position of the WCD falls outside of the threshold radius more than a predetermined number of times. | 2016-02-25 |
20160056883 | DEMULTIPLEXING APPARATUS, MULTIPLEXING APPARATUS, AND RELAY APPARATUS - A demultiplexing apparatus includes a signal receiving unit that receives signals, an analog demultiplexing unit that analog-demultiplexes, in predetermined units of channels, received signals received by the signal receiving unit and generates analog demultiplexed signals, and a plurality of digital demultiplexing units that digital-demultiplex the analog demultiplexed signals in units of sub-channels and generate digital demultiplexed signals. The analog demultiplexing unit controls, concerning the analog demultiplexed signals output to the digital demultiplexing units, a total value of bandwidths in which a signal is present so as to be a predetermined value or less. | 2016-02-25 |
20160056884 | TRANSFERRING DATA OVER BLUETOOTH USING INTERMEDIARY BRIDGE - In one or more embodiments, a first device such as a mobile phone can establish a wireless connection with second device, and the second device can act as a bridge between the first device and a peripheral device, such as a printer, so that the first device need not establish a secure pairing or other type of direct connection with the peripheral device. The second device provides a profile of the peripheral to the first device. The first device can then use the profile to access the peripheral device via the second device, with the second device passing data between the first device and the peripheral identified by the profile. This bridging feature simplifies the process of using the peripheral devices, since no secure pairing or other configuration procedure is needed to enable the first device to access the peripheral. | 2016-02-25 |
20160056885 | OPTICAL NETWORK TERMINAL WITH FUNCTIONS OF DETECTING AND RECOVERING FROM FAILURES, BLOCKING SUPPLIED POWER, AND STORING INFORMATION, AND METHOD OF DETECTING CONTINUOUS OPTICAL OUTPUT USING THE SAME - An optical network terminal with functions of detecting, recovering and blocking failures, and storing the information according to the present invention comprises: an uplink carrying out a function to communicate with a high level system; a communication port distributing or integrating the communication; a CPU managing distribution and integration of the communication; and a system power source for supplying power to the uplink, the communication port and the CPU, wherein the uplink comprises an optical module carrying out optical communication with the high level system; a MAC module controlling optical communication with the high level system; and a failure detection, recovery and blocking module for detecting optical output of the optical module, recovering failures and blocking optical output outside the MAC module. In accordance with the present invention, faster and specific failure solution can be provided using a low-cost microprocessor and its storage media. | 2016-02-25 |
20160056886 | MULTI-LANE TRANSMISSION DEVICE AND MULTI-LANE TRANSMISSION METHOD - It is an object to provide a technique capable of using a single framer as a necessary framer and causing the framer to be shared among a plurality of transmission destinations and priorities when coping with a plurality of transmission destinations or priorities and a change in a bandwidth of a physical lane that is caused by a change in a modulation scheme or a change in the number of wavelengths. | 2016-02-25 |
20160056887 | OPTICAL TRANSPORT SYSTEM - An optical transport system includes: uplink transponders opposed to construct an uplink transport path, to transport an OTU frame, redundant uplink transponders opposed to construct a redundant system uplink transport path, to transport the OTU frame, downlink transponders opposed to construct a downlink transport path, to store maintenance information in the OTU overhead of the OTU frame and transport this OTU frame when a failure occurs in the uplink transport path; optical switches to connect between client transport devices, and the uplink transport path and the redundant system uplink transport path such that switching between these uplink transport paths can be performed, to switch from the uplink transport path to the redundant system uplink transport path on the basis of the maintenance information. | 2016-02-25 |
20160056888 | Active and Standby Changeover Method, Apparatus, Device, and System for Network Device - A main and standby switchover method, apparatus, device, and system for a network device relate to the technical field of wireless networks. The method includes: receiving an interrupt signal indicating that a switchover needs to be performed for main and standby GE ports; performing a switching operation of the main and standby GE ports, setting the main GE port in a blocked state, and in the blocked state, the main GE port only forwarding a bridge protocol data unit (BPDU) message, and stopping learning a MAC address; and enabling the standby GE port, setting the standby GE port in a forwarding state, and in the forwarding state, the standby GE port forwarding messages of all types, and learning the MAC address. | 2016-02-25 |
20160056889 | OPTICAL SPATIAL-DIVISION MULTIPLEXED TRANSMISSION SYSTEM AND TRANSMISSION METHOD - The reception ( | 2016-02-25 |
20160056890 | ACTIVE OPTICAL CABLE ASSEMBLIES AND METHODS FOR THERMAL TESTING THEREOF - Active optical cable assemblies and methods for thermally testing active optical cable assemblies are disclosed. In one embodiment, a method of thermally testing an active optical cable assembly includes providing electrical signals to an optical transmission module within a first connector that converts the electrical signals into optical signals for transmission over one or more optical fibers of the active optical cable assembly, and applying heat to the first connector as the electrical signals are provided to the optical transmission module. The method further includes detecting electrical signals at a second connector of the active optical cable assembly. The detected electrical signals are converted from the optical signals by an optical receiver module within the second connector. The method further includes determining if the optical transmission module satisfies a benchmark at a threshold temperature of the optical transmission module based on the electrical signals detected at the second connector. | 2016-02-25 |
20160056891 | OPTICAL SIGNAL-TO-NOISE RATIO MEASURING METHOD - An OSNR measuring method, comprising: measuring a spectrum to be measured of an optical signal at a point to be measured of an optical transmission line, and acquiring the comparative spectrum of the optical signal within a channel wavelength range and at an SNR different from the SNR of the point to be measured; respectively integrating, within the channel wavelength range of the optical signal, the spectrum to be measured and the comparative spectrum to obtain total power Pspectrum to be measured and Pcomparative spectrum, and acquiring a noise factor F and a signal scale factor A; calculating, according to the total power, the noise factor and the signal scale factor, the noise power Pspectrum to be measured within the channel wavelength range of the optical signal, so as to obtain an OSNR of the point to be measured. | 2016-02-25 |
20160056892 | APPARATUS AND METHOD FOR REDUCING SIGNAL FADING DUE TO ATMOSPHERIC TURBULENCE - A method and system for reducing optical signal fading in an optical communication system include: dynamically obtaining turbulence-induced divergence and deviations of pointing direction for the atmosphere where an optical signal to be transmitted through; generating a single-transverse-mode laser beam of a predetermined diameter as the optical signal; dynamically varying the diameter of the laser beam to match the obtained turbulence-induced divergence of the atmosphere with a backtrack pointing direction; and transmitting the laser beam with varying diameter to a remote transceiver, as the optical signal. | 2016-02-25 |
20160056893 | MULTIDIRECTIONAL OPTICAL POSITIONING METHOD AND DEVICE THEREOF - A multidirectional optical positioning method and a device thereof, and more particularly a signal transmission and positioning method applied to visible light communication and a device thereof. The device includes a transparent board having multiple different light conversion layers on the surface. The light conversion layers are arranged in one single axial direction. A light emitting unit is used to project an incident light onto an incident side of the transparent board. After the incident light passes through the light conversion layers, the incident light is converted into multiple radiating lights with different physical effects, which are emitted from an emission side of the transparent board. A sensor is disposed on the emission side of the transparent board to receive the radiating lights, whereby the position of the sensor can be found according to different extents of the physical effects of the different radiating lights. | 2016-02-25 |
20160056894 | Visible Light Communication with Increased Signal-to-Noise Ratio - A method of increasing modulation of a visible light signal. The method can include receiving a signal that corresponds to the visible light signal, where the visible light signal has a magnitude. The method can also include adjusting, by a controller and based on the signal, a dimmer level of a dimmer by an amount, where the amount is proportional to the magnitude of the visible light signal, and where the dimmer level adjusts an output of a driver circuit. The visible light signal and the output of the driver circuit can be combined into a power signal and sent to one or more light sources. The one or more light sources can use the power signal to generate a light output that includes a visible light communication signal that is received by a receiver. | 2016-02-25 |
20160056895 | Adaptive Compensation Circuitry for Suppression of Distortions Generated by the Dispersion-Slope of Optical Components - A distortion compensation circuit compensates for the distortions generated by the dispersion-slope of an optical component and the frequency chirp of an optical transmitter. The dispersion compensation circuitry can be utilized in the optical transmitter, the optical receiver and/or at some intermediate point in a fiber-optic network. One embodiment of the compensation circuit utilizes a primary electrical signal path that receives at least a portion of the input signal and a delay line; and a secondary signal path in parallel to the primary path that receives at least a portion of the input signal and including: an amplifier with an electrical current gain that is proportional to the dispersion-slope of the optical component., an optional RF attenuator, an optional delay line, a “squarer” circuit, and a “differentiator” circuit. Another embodiment of the disclosure performs simultaneous, and independent, compensation of second-order distortions generated by both the dispersion-slope of a first optical component and the dispersion of a second optical component. Other embodiments of the disclosure perform adaptive predistortion for compensation of distortions generated by the dispersion-slope of a first optical component and the dispersion of a second optical component to maintain optimum compensation even if the dispersion properties of the optical components change with time. | 2016-02-25 |
20160056896 | OPTICAL COMMUNICATION DEVICE AND METHOD OF CONTROLLING OPTICAL MODULATOR - An optical communication device includes an optical modulator of a Mach-Zehnder type, a low frequency superimposing circuit configured to superimpose a low frequency signal on a substrate bias voltage applied to the optical modulator, a monitor configured to monitor a modulated light output from the optical modulator, and a substrate bias controller configured to control the substrate bias voltage based upon a low frequency component contained in a monitor signal output from the monitor. | 2016-02-25 |
20160056897 | OPTICAL COMMUNICATION DEVICE AND METHOD OF CONTROLLING OPTICAL MODULATOR - An optical communication device has a Mach-Zehnder optical modulator; a monitor configured to monitor a modulated light output from the optical modulator; a first controller configured to set a substrate bias voltage or an amplitude of a drive signal applied to the first waveguide of a waveguide pair of the optical modulator to a desired level that provides a first modulation index; and a second controller configured to control a substrate bias voltage or an amplitude of the drive signal applied to the second waveguide of the waveguide pair based upon an output signal from the monitor such that a second modulation index for the second waveguide becomes the same or closer to the first modulation index set for the first waveguide. | 2016-02-25 |
20160056898 | TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM - A transmission apparatus includes: a backboard configured to be interposed between a detachable first unit and a detachable second unit, wherein the backboard includes: an electrical connector coupled to the first unit; an optical modulation unit configured to modulate light from a light source based on a first electrical signal from the first unit via the electrical connector and output a first optical signal; and a first optical transmission path configured to transmit the first optical signal to the second unit. | 2016-02-25 |
20160056899 | LED OPTICAL COMMUNICATION RECEIVING LENS AND LED OPTICAL COMMUNICATION SYSTEM - A LED optical communication receiving lens includes a first surface and a second surface opposite to the first surface. The first surface includes a first spherical surface and a second spherical surface connected to the first spherical surface. The second surface includes a third spherical surface and a planar surface connected to the third spherical surface. A position of the LED optical communication receiving lens is defined as a three-dimensional Cartesian coordinate system (x, y, z). Sphere centers and symmetric central points of the first spherical surface, the second spherical surface, and the third spherical surface are located on the x axis. The first spherical surface and the planar surface are transmitted surfaces. The second spherical surface and the third spherical surface are reflective surfaces. The present application also relates to a LED optical communication system including the LED optical communication receiving lens. | 2016-02-25 |
20160056900 | OPTICAL RECEIVER CIRCUIT - An optical receiver circuit has a function of converting a differential optical signal into a differential current signal. The optical receiver circuit has a pair of light-receiving elements including first and second light-receiving elements operable to convert an optical signal into a current signal and a pair of signal lines. An anode of the first light-receiving element and a cathode of the second light-receiving element are connected to a first signal line of the pair of signal lines via first and second AC coupling capacitors, respectively. A cathode of the first light-receiving element and an anode of the second light-receiving element are connected to a second signal line of the pair of signal lines via third and fourth AC coupling capacitors, respectively. Differential signal currents are generated in the first and second signal lines in response to reception of differential optical signals inputted into the first and second light-receiving elements. | 2016-02-25 |
20160056901 | ULTRASONIC TRANSDUCER DEVICE, PROBE, ELECTRONIC INSTRUMENT, AND ULTRASONIC DIAGNOSTIC DEVICE - An ultrasonic transducer device includes a first substrate, a plurality of ultrasonic transducer elements, a second substrate and a wiring member. The first substrate defines a plurality of openings arranged in an array pattern. Each of the ultrasonic transducer elements is provided in each of the openings in a plan view. The second substrate includes a first wiring part, and coupled to the first substrate. The wiring member includes a second wiring part electrically connecting the ultrasonic transducer elements to the first wiring part. | 2016-02-25 |
20160056902 | SYSTEMS FOR MODULE AND MODULAR MOBILE ELECTRONIC DEVICE TESTING - A system for module testing includes a module interface that includes a power interface, a data interface, and a mechanical interface; a functional testing system that simulates at least one of power conditions and data conditions for the module; and a model generator, wherein the module generator generates models of a modular mobile electronic device based on module operations data. | 2016-02-25 |
20160056903 | System, method and computer storage medium for calibrating RF transceiver - Disclosed is a system, method and computer storage medium for calibrating a Radio Frequency (RF) transceiver, and the system includes a compensator for a transmission path, a compensator for a reception path, an estimator, a memory and a translational mixer. | 2016-02-25 |
20160056904 | COMMUNICATION SYSTEM, CONTROL STATION, RESOURCE CONTROL METHOD USING COMMUNICATION SYSTEM AND CONTROL STATION, AND MICROWAVE BASE STATION - A microwave base station estimates a first position of a terminal station that has transmitted millimeter-wave signal quality information and a second position of a terminal station that has transmitted a data bandwidth reservation request and transmits the millimeter-wave signal quality information and the first position or the data bandwidth reservation request and the second position to a control station, and the control station stores the millimeter-wave signal quality information and the first position in a database in association with each other and determines, for the terminal station that has transmitted the data bandwidth reservation request, a millimeter-wave base station with which communication is to be performed, a first directivity, and a second directivity by referring to the database by using the second position, and allocates a radio resource based on the determined millimeter-wave base station, first directivity, and second directivity. | 2016-02-25 |
20160056905 | Interface Device and Method for Exchanging User Data - An interface apparatus is provided for exchange of different time-critical user data between a host device and a divided medium, by way of a first interface and by way of a second interface, having a resource management device and a temporary memory device. The first interface works with a first clock pulse and the second interface works with a second clock pulse. The first interface and the second interface are connected with the temporary memory device. The resource management device is set up for controlling the exchange of the different time-critical user data between the first interface and the second interface, in such a manner that collisions of the different time-critical user data within the interface apparatus and/or on the divided medium are avoided, in order to allow deterministic behavior during exchange of the different time-critical user data. | 2016-02-25 |
20160056906 | METHOD AND SYSTEM TO ADD AND COMMUNICATE WITH REMOTE TERMINAL ADDRESSES BEYOND A STANDARD BUS PROTOCOL - A method of messaging in a communication system that operates in accordance with a standard protocol limited in the number of uniquely addressable remote terminals by a message frame that sequences the messages into a limited number of time slots includes redefining the message frame into a plurality of major frames. Each major frame includes at least one minor frame occupying a unique time slot to address a unique remote terminal. Messages are sequenced into the at least one minor frame. Each minor frame includes a set of time-division multiplexed messages. Each message in the set includes an address field identifying the address of a remote terminal and an additional message to each major frame encoding an output path. The output path encoded in each major frame and the unique time slot in the minor frame determines which remote terminal is addressed by the message. | 2016-02-25 |
20160056907 | DUAL THRESHOLD BASED CELL CLUSTERING INTERFERENCE MITIGATION FOR eIMTA - Methods, systems, and devices are described for interference mitigation between neighboring cells through the use of cell clusters and virtual logical cell clusters. Cells may be added to a cell cluster with a first cell when a level of interference coupling between the first cell and one or more neighboring cells exceeds a first threshold. One or more other cells may be added to a virtual logical cell cluster with the first cell when the level of interference coupling is between a second threshold and the first threshold, the second threshold being less than the first threshold. Interference mitigation between cells of cell clusters and/or virtual logical cell clusters may be performed. Interference mitigation may be accomplished through, for example, coordination of TDD uplink-downlink (UL-DL) configurations for cell clusters and scheduling-dependent interference management (SDIM) for virtual logical cell clusters. | 2016-02-25 |
20160056908 | APPARATUS AND METHOD IN WIRELESS COMMUNICATION SYSTEM - A spectrum management system includes circuitry that obtains interference information from another spectrum management system, where the interference information indicates interference with communication of a communication system managed by the other spectrum management system. The interference is caused by at least one secondary communication system managed by the spectrum management system. The circuitry also modifies a communication characteristic of the at least one secondary communication system based on the interference information. | 2016-02-25 |
20160056909 | RADIO BASE STATION, USER TERMINAL AND RADIO COMMUNICATION METHOD - The present invention is designed to reduce interference between cells even when a plurality of cells are placed at a high density. In a radio base station, a receiving section that receives an uplink signal transmitted from a user terminal, and an interference estimation section that estimates the level of interference received from an other cell based on an uplink signal transmitted from a user terminal of the other cell, are provided, and the interference estimation section estimates the level of interference of each cell based on the uplink signal, and a blank state is assumed in the uplink signal at a resource position that varies on a per cell basis. Furthermore, a control section that controls a predetermined resource position in an uplink signal transmitted from a serving user terminal to assume the blank state, is provided. | 2016-02-25 |
20160056910 | Dynamic Configuration of a Flexible Orthogonal Frequency Division Multiplexing PHY Transport Data Frame Preamble - A method for operating a transmitting device to communicate with a receiving device is described herein. The method includes the step of the transmitting device selecting a root index value from a set of root index values. The method further includes the step of the transmitting device generating a frequency domain Constant Amplitude Zero Auto-Correlation sequence based on the selected root index value. The method further includes the step of the transmitting device modulating the Constant Amplitude Zero Auto-Correlation sequence by a pseudo-noise sequence. The method further includes the step of the transmitting device generating an Orthogonal Frequency Division Multiplexing symbol, wherein the frequency domain Constant Amplitude Zero Auto-Correlation sequence modulated by the pseudo-noise sequence defines subcarrier values for the Orthogonal Frequency Division Multiplexing symbol. The method further includes the step of the transmitting device transmitting the Orthogonal Frequency Division Multiplexing symbol as an initial Orthogonal Frequency Division Multiplexing symbol of a preamble of a frame to the receiving device. | 2016-02-25 |
20160056911 | ARRAYED WAVEGUIDE GRATING BASED MODULAR INTERCONNECTION NETWORKS AND METHODS FOR CONSTRUCTING AND APPLYING THE SAME - An arrayed waveguide grating (AWG) based interconnection network and modular construction method, comprising N | 2016-02-25 |
20160056912 | METHOD AND DEVICE FOR DETERMINING WHETHER A CONFIGURATION OF AN OPTICAL TRANSMISSION INTERFACE HAS TO BE ADJUSTED AND THE CONFIGURING THEREOF - For determining whether a configuration of an optical transmission interface of a first device has to be adjusted for transmitting optical signals to a second device via an optical band-pass filter, the second device having an optical reception interface configured to enable receiving optical signals output by said optical band-pass filter and transmitted by the first device on a carrier wavelength when said carrier wavelength is comprised in the passband of the optical band-pass filter, said carrier wavelength and/or said passband of the optical band-pass filter being a priori unknown, a monitoring device performs: monitoring an evolution of a difference level between codewords received by the second device via said optical signals and corresponding codewords transmitted by the first device; and determining whether the configuration of the optical transmission interface of the first device has to be adjusted, on the basis of said monitoring. | 2016-02-25 |
20160056913 | STATION-SIDE TERMINAL APPARATUS, OPTICAL ACCESS NETWORK, AND COMMUNICATION METHOD - The station-side terminal apparatus for the optical access network includes: the station-side terminal apparatus; the subscriber-side terminal apparatuses connected to the station-side terminal apparatus via the optical transmission line; the terminal devices to which mutually different wavelengths are assigned; and the communication failure detecting unit. Each of the terminal devices includes the uplink communication state monitoring unit configured to monitor a state of uplink communication for each registered subscriber-side terminal apparatus, on the basis of the input uplink signal, and the downlink communication failure information extracting unit configured to extract information of a state of downlink communication, which is transmitted from the registered subscriber-side terminal apparatus. The communication failure detecting unit detects a failure of the uplink communication and a failure of the downlink communication, on the basis of the state of the uplink communication and the state of the downlink communication. | 2016-02-25 |
20160056914 | OTN ADAPTATION FOR SUPPORT OF SUBRATE GRANULARITY AND FLEXIBILITY AND FOR DISTRIBUTION ACROSS MULTIPLE MODEM ENGINES - Systems and methods for Optical Transport Network (OTN) adaptation to provide sub-rate granularity and distribution include segmenting an OTN signal into N flows of cells with associated identifiers, based on tributary slots of the OTN signal, wherein N≧0, and wherein the cells do not include unallocated payload from the OTN signal; switching the cells to a scheduler; and scheduling, from the scheduler, the cells for a line side modem. | 2016-02-25 |
20160056915 | FACILITATION OF SECURITY EMPLOYING A FEMTO CELL ACCESS POINT - One or more femto cell access points (FAPs) are employed to facilitate provisioning of security. A signal indicative of an intrusion in an area associated with an FAP can be received, and, based on receiving the signal, an identifier associated with a device in a detection range of the FAP can be determined. One or more frequencies in the detection range of the femto cell access point can be jammed, an attachment attempt emitted from the device in response to jamming the frequencies can be detected, and a telephone number of the device can be identified based, at least, on detecting the attachment attempt from the device. Warnings can also be sent to the device and/or tracking of the device can be performed. | 2016-02-25 |
20160056916 | Guard Band Utilization for Wireless Data Communication - Techniques for guard band utilization for wireless data communication are described. In at least some embodiments, guard bands can be leveraged to transmit wireless broadband data and/or other forms of wireless data. According to one or more embodiments, signal activity in a wireless channel that is adjacent to a guard band is monitored, e.g., while the guard band is being utilized for wireless data communication. In at least some implementations, if the signal activity exceeds a signal activity threshold, usage of the guard band channel can be adjusted to mitigate interference with signal activity in an adjacent channel. | 2016-02-25 |
20160056917 | APPARATUS AND METHODS FOR CONTROLLING TRANSMIT POWER OF A WIRELESS COMMUNICATION SYSTEM - Apparatus and methods for power control in mobile communication devices are provided. In one aspect, a wireless communication device includes a transmit chain that receives a digital in-phase (I) signal and a digital quadrature-phase (Q) signal and that generates a transmit signal. The wireless communication device further includes a power amplifier that amplifies the transmit signal, and a transmit chain controller including a reference generator that combines the digital I signal and the digital Q signal and generates a reference signal corresponding to an instantaneous value of an envelope of the combined signal. The transmit chain controller further includes an error extractor that generates an error signal based on the reference signal and an output power of the power amplifier, and a control signal generator that uses the error signal to generate one or more power control signals for controlling an adjustable power level of the transmit chain. | 2016-02-25 |
20160056918 | REDUNDANCY SYSTEM AND METHODS FOR USE WITH A TELECOMMUNICATION SYSTEM - A redundancy system for co-channel telecommunications comprising a first modem comprising a premapped symbol interface (PMSI) ROM configured to produce a constellation point number (CPN) value for each transmitted symbol using FEC codewords and a modulation format, an encoder to produce three CPN value signals, and a first symbol clock to generate a timing signal for the data signal. The system further comprises a second modem comprising a PMSI ROM decoder to decode the CPN values from the received CPN value signals, an interface bus to transmit the three CPN value signals of the encoder and the timing signal from the first online modem to the second offline modem, and a redundancy switch to switch the input channel of data to a FEC encoder of the second modem and the output channel of received codewords to a FEC decoder of the first modem in response to a redundancy switching signal. | 2016-02-25 |
20160056919 | SIGNAL PROTECTION - A signal protector utilizes a variable latency station to provide error correction. | 2016-02-25 |
20160056920 | Networking Coding System in a Network Layer - A network coding system. A packet decoding engine receives a number of received packets. A packet repository is coupled to the decoding engine to temporarily store the received packets. The packet decoding engine is configured to generate a decoding matrix by forming a sub-matrix by selecting columns of a network code matrix that have indices that are the same as the indices of the encoded packets that correspond to the selected received packets. The packet decoding engine is also configured to invert the sub-matrix to form the decoding matrix and multiply the received packet matrix by the decoding matrix to generate a recovered matrix where each column corresponds to a decoded packet. | 2016-02-25 |
20160056921 | LOW COMPLEXITY MAXIMUM-LIKELIHOOD-BASED METHOD FOR ESTIMATING EMITTED SYMBOLS IN A SM-MIMO RECEIVER - A receiver estimates a vector of emitted symbols over a MIMO transmission channel which is emitted by emitting antennas. The receiver receives a vector of received symbols on receiving antennas. Estimation of the vector of emitted symbols is made by calculating a metric associated with a criterion for each vector of a subset of all possible vectors of emitted symbols and selecting an estimation for said vector of emitted symbols as the vector of emitted symbols among said subset which minimizes said metric. | 2016-02-25 |
20160056922 | APPARATUS FOR TRANSMITTING BROADCAST SIGNALS, APPARATUS FOR RECEIVING BROADCAST SIGNALS, METHOD FOR TRANSMITTING BROADCAST SIGNALS AND METHOD FOR RECEIVING BROADCAST SIGNALS - The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; processing, by a framing and interleaving block, the encoded data in the plural PLPs to output at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data. | 2016-02-25 |
20160056923 | APPARATUS FOR TRANSMITTING BROADCAST SIGNALS, APPARATUS FOR RECEIVING BROADCAST SIGNALS, METHOD FOR TRANSMITTING BROADCAST SIGNALS AND METHOD FOR RECEIVING BROADCAST SIGNALS - The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural PLPs (Physical Layer Pipes); encoding, by an encoder, data in the plural PLPs; processing, by a framing and interleaving block, the encoded data in the plural PLPs to output at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data. | 2016-02-25 |
20160056924 | COMMUNICATION APPARATUS AND COMMUNICATION METHOD - A wireless communication base station apparatus prevents degradation of throughput of LTE terminals, even when LTE terminals and LTE+terminals are present together. A setting section sets in each subframe a resource block in which is arranged a reference signal that is employed solely by LTE+terminals, based on the pattern of arrangement of reference signals employed solely by LTE+terminals. As to symbols that are mapped to antennas ( | 2016-02-25 |
20160056925 | INFORMATION PROCESSING APPARATUS AND COMMUNICATION DEVICE - An information processing apparatus comprises a first circuitry and a second circuitry. The first circuitry first/second demand response requests from first/second communication devices. The second circuitry creates first request content information representing contents of the first demand response request, sends it to a time-stamping authority, and acquires first time certification information containing a time stamp that the time-stamping authority issues for the first demand response request. The second circuitry stores the first time certification information in a storage device to be associates with the first demand response request; and determine, when the second demand response request is received, whether the second demand response request is retransmission of the first demand response request. When it is the retransmission, the second circuitry causes the first circuitry to send the second demand response request and the first time certification information associated with it in the storage device, to a second communication device. | 2016-02-25 |
20160056926 | SOFT BUFFER PROCESSING METHOD AND DEVICE IN TDD SYSTEMS - Methods, device, and User Equipment (UE) for processing a soft buffer, used in a Time Division Duplexing (TDD) system where uplink-downlink subframe distribution changes dynamically, are provided. A first method includes allocating, by a base station, transmission resources for a UE, and determining a parameter for processing a soft buffer, and performing rate matching for Physical Downlink Shared Channel (PDSCH); and sending, by the base station, data to the UE via Physical Downlink Control Channel (PDCCH) and PDSCH. The second method includes receiving, by a UE information of transmission resources allocated to the UE by a base station, and determining a parameter for processing a soft buffer; and receiving, by the UE, PDCCH and PDSCH sent by the base station according to the transmission resources and the parameter for processing the soft buffer. | 2016-02-25 |
20160056927 | EARLY PACKET LOSS DETECTION AND FEEDBACK - A video encoding device (e.g., a wireless transmit/receive unit (WTRU)) may transmit an encoded frame with a frame sequence number using a transmission protocol. The video encoding device, an application on the video encoding device, and/or a protocol layer on the encoding device may detect a packet loss by receiving an error notification. The packet loss may be detected at the MAC layer. The packet loss may be signaled using spoofed packets, such as a spoofed NACK packet, a spoofed XR packet, or a spoofed ACK packet. A lost packet may be retransmitted at the MAC layer (e.g., by the encoding device or another device on the wireless path). Packet loss detection may be performed in uplink operations and/or downlink operations, and/or may be performed in video gaining applications via the cloud. The video encoding device may generate and send a second encoded frame based on the error notification. | 2016-02-25 |
20160056928 | METHOD OF PERFORMING LINK ADAPTATION PROCEDURE - A method of performing link adaptation in a wireless local area network system by a mobile station The mobile station receives a first physical layer protocol data unit (PPDU) transmitted by an access point (AP) via multi-user multiple input/multiple output (MU MIMO) transmission to a plurality of mobile stations. The first PPDU includes a first feedback sequence identifier that includes a value identifying the plurality of mobile stations. When the mobile station is one of the plurality of mobile stations identified by the value included by the first feedback sequence identifier, a modulation and coding scheme (MCS) is estimated based on the first PPDU. The mobile station transmits a second PPDU to the AP. The second PPDU includes channel information about the estimated MCS and a second feedback sequence identifier. The second feedback sequence identifier includes the value included by the first feedback sequence identifier. | 2016-02-25 |
20160056929 | SYSTEM AND METHOD FOR WIRELESS CHANNEL ASSESSMENT - A method is implemented by a network device to improve efficiency for clear channel assessment (CCA) by tracking a set of neighboring stations in a wireless local area network (WLAN). The method includes detecting, by the first network device, a wireless signal from a second network device on a wireless medium. A target network device of the wireless signal detects whether the target network device is a neighbor of the first network device. The wireless medium is determined to be busy in response to determining that the target network device is a neighbor of the first network device. | 2016-02-25 |
20160056930 | PHYSICAL LAYER PROTOCOL DATA UNIT FORMAT APPLIED WITH SPACE TIME BLOCK CODING IN A HIGH EFFICIENCY WIRELESS LAN - The present invention relates to a method and apparatus for transmitting and receiving signals using a Physical layer Protocol Data unit (PPDU) format to which Space-Time Block Coding (STBC) is applied in a Wireless Local Area Network (WLAN). According to one aspect of the present invention, a method for transmitting data to a plurality of Stations (STAs) on a transmission channel by an Access Point (AP) in a WLAN may be provided. The transmission channel may be divided into a plurality of subchannels allocated to the plurality of STAs. The method may include generating a High Efficiency-Long Training Field (HE-LTF) field having a length determined based on whether Space-Time Block Coding (STBC) is applied to the plurality of subchannels, and transmitting a Physical layer Protocol Data Unit (PPDU) frame including the HE-LTF field and a plurality of data units for the plurality of STAs to the plurality of STAs. | 2016-02-25 |
20160056931 | Multi-System Coordinated Communication Method and Apparatus, and Communications Node - A multi-system coordinated communication method includes: when transmitting data by using a second system, adding, by a first communications node to data information of a first system, control information used by the second system; and indicating, in control information of the first system, that the data information of the first system includes the control information used by the second system, where the first system and the second system are: systems of different modes, or systems of a same mode that use different resources; and separately sending, by the first communications node to a second communications node by using a control channel and a data channel of the first system, the control information and the data information of the first system. the method in the embodiments can save channel resources of the second system and improve utilization of system resources. | 2016-02-25 |
20160056932 | DEVICE AND METHOD FOR PERFORMING NON-ORTHOGONAL MULTIPLEXING - A device includes circuitry configured to spread one or more symbols with one or more orthogonal codes into spread signals having a predetermined number of bits. The amplitude of the spread signals is modified via one or more layer coefficients and the spread signals are multiplexed into a layered transmit signal. | 2016-02-25 |
20160056933 | TERMINAL DEVICE, BASE STATION DEVICE, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT - According to the present invention, there are provided a base station device, a terminal device, a communication method, and an integrated circuit capable of performing communication more efficiently when the terminal device transmits an uplink signal based on scheduling by the base station device. The terminal device includes a setting unit that sets a first uplink-downlink configuration, a second uplink-downlink configuration, and a third uplink-downlink configuration, a reception unit that monitors a physical downlink control channel accompanied with a downlink control information format which is used to schedule a physical downlink shared channel in a downlink subframe based on the third uplink-downlink configuration and includes information making a request for transmitting a sounding reference signal, and a transmission unit that transmits or drops the sounding reference signal and transmit an HARQ-ACK for transmission with the physical downlink shared channel. | 2016-02-25 |
20160056934 | Transmitting or Receiving Processing Method and Apparatus for Data Channel - Provided are a transmitting or receiving processing method and apparatus for data channel. The transmitting method applied to a base station comprises: acquiring data to be transmitted; transmitting, on multiple sub-frames, the data to be transmitted born by the data channel, wherein the data channel at least comprises two parts, and the number of pilot frequency symbols contained in the first part is larger than that in the second part; and/or, the first part is used for transmitting auxiliary demodulation data and the second part is used for transmitting target data. The technical problems that the accuracy of channel estimation is poor, the coverage performance is low and the like when the original uplink and downlink data transmission way is adopted are solved. The accuracy of coherence demodulation of the target data at a receiving end is ensured, and the coverage performance of the data channel is improved. | 2016-02-25 |
20160056935 | TECHNIQUES FOR TRANSMITTING AND RECEIVING SYNCHRONIZATION SIGNALS OVER AN UNLICENSED RADIO FREQUENCY SPECTRUM BAND - Techniques are described for wireless communication. A first method may include receiving at a user equipment (UE) over an unlicensed radio frequency spectrum band an indication of a time window associated with a transmission of a synchronization signal, and monitoring the unlicensed radio frequency spectrum band during the time window to receive a synchronization signal from a base station. A second method may include transmitting an indication of a time window associated with a transmission of a synchronization signal; performing a plurality of clear channel assessments (CCAs) on an unlicensed radio frequency spectrum band during the time window; and transmitting the synchronization signal over the unlicensed radio frequency spectrum band at a transmission time during the time window. The transmission time may be based at least in part on a result of at least one of the CCAs. | 2016-02-25 |
20160056936 | METHOD AND SYSTEM FOR SENDING A REFERENCE SIGNAL, METHOD AND SYSTEM FOR RECEIVING A REFERENCE SIGNAL - A method and an apparatus for transmitting a reference signal. A first reference signal is generated according to a data signal, an interference relationship between adjacent carriers, and a predefined second reference signal. The data signal and the first reference signal is modulated and sent on a corresponding carrier utilizing non-orthogonal multi-carrier modulation waveform. A method for receiving a reference signal includes receiving, on a reference signal carrier, a first reference signal modulated utilizing non-orthogonal multi-carrier modulation waveform, processing the received first reference signal using a predefined processing method, performing channel estimation or synchronization according to a result of the processing and a predefined second reference signal. | 2016-02-25 |
20160056937 | METHOD FOR TRANSMITTING PILOT FOR MULTIPLE CARRIER SYSTEM - A method of transmitting pilot signals in a system which performs communication using two or more earners comprises transmitting first pilots and second pilots from at least one user equipment to a base station, the first and second pilots, which are transmitted from the at least one user equipment, being multiplexed by code division multiplexing, and the first and second pilots, which are transmitted from a specific user equipment, having different transmission powers, and transmitting data from the at least one user equipment to the base station depending on the first pilots and the second pilots. Since many UEs can transmit CQ pilots, exact channel estimation can be performed and thus communication efficiency can be improved. | 2016-02-25 |
20160056938 | TECHNIQUES TO MANAGE DWELL TIMES FOR PILOT ROTATION - Techniques to manage dwell times for pilot rotation are described. An apparatus may comprise a memory configured to store a data structure with a set of modulation and coding schemes (MCS) available to an orthogonal frequency division multiplexing (OFDM) system, each MCS having an associated pilot dwell time. The apparatus may further comprise a processor circuit coupled to the memory, the processor circuit configured to identify a MCS to communicate a packet using multiple subcarriers of the OFDM system, and retrieve a pilot dwell time associated with the MCS from the memory, the pilot dwell time to indicate when to shift a pilot tone between subcarriers of the multiple subcarriers during communication of the packet. Other embodiments are described and claimed. | 2016-02-25 |
20160056939 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA USING PLURALITY OF CARRIERS IN MOBILE COMMUNICATION SYSTEM - Disclosed is a communication method of a User Equipment (UE) in a Dual Connectivity (DC)-based mobile communication system in which a Master Cell Group (MCG) and at least one Secondary Cell Group (SCG) are configured, the method including: receiving measurement gap configuration information relating to a measurement gap used to periodically measure at least one serving cell; determining a first sub-frame included in the measurement gap using a System Frame Number (SFN) of the MCG and the received measurement gap configuration information; and performing measurement on the at least one serving cell during at least one measurement gap sub-frame determined based on the first sub-frame. | 2016-02-25 |
20160056940 | METHOD AND DEVICE FOR TRANSMITTING RECEPTION CONFIRMATION RESPONSE IN WIRELESS COMMUNICAITON SYSTEM - One embodiment of the present invention relates to a method for transmitting and receiving signals between devices in a wireless communication system, the signal transmission and reception method comprising the steps of: receiving, by a first device, a signal from a second device; and transmitting, by the first device, a reception confirmation response to the signal, wherein a resource region in which the reception confirmation response is transmitted is differentiated according to whether the reception confirmation response is ACKnowledgement (ACK) or Negative ACKnowledgement (NACK), and the resource region in which the reception confirmation response is transmitted is commonly used for devices which have received the signal. | 2016-02-25 |
20160056941 | METHOD AND APPARATUS FOR REPORTING CHANNEL STATE INFORMATION FOR FRACTIONAL BEAMFORMING IN A WIRELESS COMMUNICATION SYSTEM - A method and apparatus for reporting Channel State Information (CSI) by a User Equipment (UE), for fractional beamforming using a massive antenna array of a Base Station (BS) in a wireless communication system are disclosed. The method includes receiving information about a plurality of Reference Signal (RS) resources from the BS, generating CSI including a sub-precoder for at least one of the plurality of RS resources, and a Channel Quality Indicator (CQI) and a Rank Indicator (RI) for all of the plurality of RS resources, and reporting the CSI to the BS. The massive antenna array is divided by rows or columns into partitions and the plurality of RS resources correspond to the partitions. | 2016-02-25 |
20160056942 | METHOD FOR TRANSMITTING UPLINK CONTROL INFORMATION, UE AND BASE STATION - A method for transmitting UCI, UE and base station. The method for transmitting includes: mapping, by UE, UCI onto time-frequency resources, wherein a subframe where the UCI is located contains one uplink reference signal or contains no an uplink reference signal; and transmitting the UCI to a base station via a PUSCH. An uplink reference signal occupies only one OFDM symbol or occupies no an OFDM symbol in a subframe, which may reduce waste of resources, and correspondingly change resource mapping of the UCI, thereby obtaining better decoding performance. | 2016-02-25 |
20160056943 | WIRELESS DEVICE, METHOD, AND COMPUTER-READABLE MEDIA FOR TRANSMITTING AND RECEIVING HIGH-EFFICIENCY SIGNAL FIELDS - Wireless devices, methods, and computer-readable media for transmitting and receiving high-efficiency signal fields. An access point (AP) may include circuitry configured to determine a high-efficiency signal (HE-SIG) field for each of a plurality of sub-channels, wherein each HE-SIG field includes a common part and a sub-channel specific part. The circuitry may be further configured to transmit, in accordance with orthogonal frequency division multiple access (OFDMA), on each of the plurality of sub-channels, a corresponding HE-SIG field as a preamble to a physical layer convergence protocol (PLCP) protocol data unit (PPDU), wherein the sub-channel specific part of the corresponding HE-SIG field includes a resource map field that enables a HEW device to determine which portion of the PPDU to demodulate, and wherein the common portion includes information of a format of the PPDU. A HEW device may include circuitry configured to demodulate a PPDU based on a HE-SIG field. | 2016-02-25 |
20160056944 | METHOD AND APPARATUS FOR UTILIZING A PLURALITY OF UPLINK CARRIERS AND A PLURALITY OF DOWNLINK CARRIERS - A wireless transmit/receive unit (WTRU) may communicate on a primary cell and a secondary cell. A transceiver of the WTRU may receive a medium access control (MAC) message indicating activation or deactivation of the secondary cell. A processor of the WTRU may start a timer in response to the activation of the secondary cell. The WTRU may deactivate the secondary cell on a condition that the timer expires. | 2016-02-25 |
20160056945 | Circuit Arrangement - A circuit arrangement includes an antenna port, a first receiving port, a second receiving port, a first transmission port, and a second transmission port. A number of 90 degree hybrids are configured to transfer an input signal into two output signals that are phase shifted relative to each other. Two quadplexers each include a first duplexer and a second duplexer. The quadplexers and the 90 degree hybrids are interconnected such that a leakage signal travelling from one of the transmission ports to one of the receiving ports destructively interferes at the receiving port. | 2016-02-25 |
20160056946 | System and Method for Digital Cancellation of Self-Interference in Full-Duplex Communications - Embodiments are provided for cancelling self-interference in a full-duplex communications system. The cancellation includes using a digital cancellation stage in additional to analog cancellation. In an embodiment, a method by a full-duplex communications device includes sampling a received signal, wherein the sampling provides a received digital signal corresponding to the received signal. The method further includes sampling a transmitted signal, wherein the sampling provides a transmitted digital signal corresponding to the transmitted signal. A channel distortion introducing self-interference in the received signal is then estimated according to the transmitted digital signal and the received digital signal. The method further includes estimating the self-interference in the received digital signal according to the estimated channel distortion. | 2016-02-25 |
20160056947 | Reference Configuration for Flexible Time Division Duplexing - There are provided measures for reference configuration for flexible time division duplexing. Such measures exemplarily include obtaining a first configuration parameter and a second configuration parameter, determining an uplink reference configuration for a flexible uplink/downlink mode from said first configuration parameter, determining a downlink reference configuration for said flexible uplink/downlink mode from said second configuration parameter, and deriving an uplink/downlink configuration candidate set based on at least one of said first configuration parameter and said second configuration parameter. | 2016-02-25 |
20160056948 | COMMUNICATION CHANNEL CALIBRATION FOR DRIFT CONDITIONS - A method and system provides for execution of calibration cycles from time to time during normal operation of the communication channel. A calibration cycle includes de-coupling the normal data source from the transmitter and supplying a calibration pattern in its place. The calibration pattern is received from the communication link using the receiver on the second component. A calibrated value of a parameter of the communication channel is determined in response to the received calibration pattern. The steps involved in calibration cycles can be reordered to account for utilization patterns of the communication channel. For bidirectional links, calibration cycles are executed which include the step of storing received calibration patterns on the second component, and retransmitting such calibration patterns back to the first component for use in adjusting parameters of the channel at first component. | 2016-02-25 |
20160056949 | METHOD AND APPARATUS FOR MANAGING ESTIMATION AND CALIBRATION OF NON-IDEALITY OF A PHASE INTERPOLATOR (PI)-BASED CLOCK AND DATA RECOVERY (CDR) CIRCUIT - A method for managing estimation and calibration of non-ideality of a Clock and Data Recovery (CDR) circuit. The method comprises A) selecting a first output path for calibration comprising at least a first Phase Interpolator (PI) of a plurality of PIs, at least one of a plurality of output-side programmable delay elements, an external delay element, at least one sampler, a first and a second external multiplexer, B) programming the output-side programmable delay element using a Digital Delay Control Code (DDCC), C) calibrating the external delay element until a given predetermined criterion based on an early-late detection method is met, D) upon satisfaction of the predetermined criterion, retaining a corresponding Digital External Delay Control Code (DEDCC) in the external delay element for subsequent use, E) selecting a second output path for calibration comprising at least a second PI of the plurality of PIs, the at least one of the plurality of output-side programmable delay elements, external delay element, at least one sampler, the first and second external multiplexers, F) calibrating the output-side programmable delay element until the given predetermined criterion based on the early-late detection method is met, G) upon satisfaction of the predetermined criterion, retaining the corresponding DDCC in the output-side programmable delay element for subsequent use, H) repeating the steps E-G for each of the remaining PIs such that the remaining output-side programmable delay elements are each separately calibrated, I) selecting a first input path for calibration comprising the at least first Phase Interpolator (PI) of the plurality of PIs, at least one of the plurality of input-side programmable delay elements, the external delay element, at least one sampler, the first and second external multiplexers, J) programming the input-side programmable delay element using the Digital Delay Control Code (DDCC), K) calibrating the external delay element until the given predetermined criterion based on the early-late detection method is met, L) upon satisfaction of the predetermined criterion, retaining a corresponding Digital External Delay Control Code (DEDCC) in the external delay element for subsequent use and M) assigning at least one value of a Binary Control Code (BCC) to select a unique phase in a given quadrant of a full phase cycle, N) calibrating the input-side programmable delay element until the given predetermined criterion based on the early-late detection method is met, O) upon satisfaction of the predetermined criterion, retaining the corresponding DDCBC in the input-side programmable delay element for subsequent use and P) repeating the steps M-O for each of the remaining unique phases in the inputs to the PI such that the remaining input-side programmable delay elements are each separately calibrated. | 2016-02-25 |