44th week of 2015 patent applcation highlights part 68 |
Patent application number | Title | Published |
20150311931 | METHOD AND SYSTEM FOR MULTIBAND INTERFERENCE MITIGATION WITH MULTIPATH CANCELLATION - A method and apparatus is provided for mitigating multiband self-interference using multipath cancellation. A dual-band transceiver receives an incoming radio-frequency signal that includes a multipath self-interference component generated by the transmission of an outgoing radio-frequency signal. The transceiver creates a plurality of reference signals from the outgoing radio-frequency signal by introducing delay values with respect to the outgoing signal. The transceiver adjusts the amplitude and phase of each of the delayed reference signals and combines the resulting signals with the incoming radio-frequency signal to cancel the self-interference component. The delay values may be determined adaptively. The systems and methods described herein are particularly useful for dual-band transceivers capable of communicating simultaneously using Long-Term Evolution (LTE) wideband signals and Public-Safety Narrowband (PSNB) signals. | 2015-10-29 |
20150311932 | RECEPTION CIRCUIT AND COMMUNICATION SYSTEM - According to an embodiment, a reception circuit receives a reception signal according to a signal transmitted from a transmission electrode through a reception electrode capacitively coupled to the transmission electrode. The reception circuit includes an adder, a hysteresis circuit, a shift register and a feedback signal generator. The adder is configured to add one or more feedback signals to the reception signal. The hysteresis circuit has hysteresis in input and output characteristics, and is configured to output output data according to an output signal of the adder. The shift register is configured to sequentially shift the output data of the hysteresis circuit. The feedback signal generator is configured to generate the feedback signal according to each output data of the shift register. | 2015-10-29 |
20150311933 | Radio Signal Receiver, Electronic Device, and Radio Signal Receiving Method - A radio signal receiver includes a GPS receiver circuit, an environment detection circuit (charging state detection circuit and voltage detection circuit) that detects is in an environment suited to the radio signal receiver receiving satellite signals, and a control circuit. The control circuit has a first reception control unit that operates the GPS receiver circuit when the radio signal receiver is determined to be in an environment suited to receiving satellite signals based on the result output by the environment detection circuit, a second reception control unit that operates the GPS receiver circuit at a scheduled reception time, and a switching unit that switches operation between the first reception control unit and second reception control unit. | 2015-10-29 |
20150311934 | COMMUNICATION METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM - A communication method for a first electronic device is provided. The communication method includes receiving, from a second electronic device, second subscriber information stored in a second subscriber identification module of the second electronic device, receiving second response information generated based on second authentication information from the second electronic device, and transmitting the second response information to a communication network. | 2015-10-29 |
20150311935 | WIRELESS COMMUNICATIONS SYSTEM AND METHOD - A system for communicating information facilitates wireless communication between electronic devices. The system includes a transceiver provided in a vehicle. The transceiver communicates with an electronic device located external to the transceiver using a Bluetooth communications standard. | 2015-10-29 |
20150311936 | DEVICE FOR REFLECTING MICROWAVE WAVES IN WAVE CANCELLING INTERFERENCE PATTERNS - a radio case device intended for use upon, or integrated into, a cellular smart phone device. The installation of a stacked tubular or semi-tubular circumferential reflective elements within the top of the case of such case device results in overlapping omnidirectional reflected time phased re-broadcast of received signal of origin from the microwave or radio device. The re-broadcast signals or reflected signals provide a circumferential omnidirectional signal reflections from differing levels of depth (and accordingly differing distances from signal source) with fractal subdivisions from each depth of element. This creates multiple, interactive, layered and fractal interference patterns, resulting in reduced signal penetration in the area of the end user's body and head). | 2015-10-29 |
20150311937 | Sliding Front Cover Cases for Smart phone & Tablet - The invention here is a new type of protective cases for the current smart phones and tablets in the market. It has a new concept of how the front structure of the case open and to be secured. | 2015-10-29 |
20150311938 | SECURITY CASE FOR A PORTABLE ELECTRONIC DEVICE - A security case ( | 2015-10-29 |
20150311939 | CARRYING CASE FOR MOBILE TELEPHONES - A carrying case for carrying a mobile telephone, comprises an outer casing defining an inner cavity for removably storing the mobile telephone within the inner cavity, a light source configured to selectively generate a light visible from the outside of the carrying case, a source of electrical energy, a sensor electrically connected to the electrical battery and the light source, and configured to detect a light level or a vibration level within the inner cavity of the carrying case, and an electronic control unit electrically connected to the source of electrical energy and the sensor. The electronic control unit is configured to automatically turn the light source on when a light level or a vibration level within the inner cavity of the carrying case detected by the sensor is above a predetermined level. The outer casing has an outer wall and an access opening into the inner cavity. | 2015-10-29 |
20150311940 | MOBILE TERMINAL CASE AND MOBILE TERMINAL - There is disclosed a polio case including a back cover coupled to a rear surface of a mobile terminal, a quick cover connected to a predetermined portion of the back cover, to cover a front surface of the mobile terminal, a touch unit provided in an inner portion of the quick cover, the touch unit formed of a conductive material, wherein a touch sensor provided in the front surface of the mobile terminal contacts with the touch unit, when the quick cover is closed, and capacity of the touch sensor changes. The polio case may provide the display unit with a screen matching a shape of the quick cover. | 2015-10-29 |
20150311941 | MOBILE DEVICE CASE WITH MOVABLE CAMERA COVER - A protective case for a mobile device has a body removably disposed on the mobile device and a movable lens cover disposed on the body proximate to the first camera lens. The movable lens cover includes a first lens occlusion section and a first sensor access section. The movable lens cover can have at least two positions in relation to the mobile device. A fully exposed position exposes both the first camera lens and the at least one sensor of the mobile device, and a first partially occluded position disposes the first lens occlusion section over the first camera lens preventing light from reaching the first camera lens and disposes the first sensor access section over the at least one sensor allowing the at least one sensor to receive the input. | 2015-10-29 |
20150311942 | Case Apparatus - The embodiment relates to a case apparatus including antenna elements, a shielding member interposed between the antenna elements and a protective part to encapsulate and couple the antenna elements and the shielding member. Even when the case apparatus is mounted on a mobile communication terminal, a near field communication between the mobile communication terminal and an external device is smoothly performed. | 2015-10-29 |
20150311943 | SYSTEMS AND METHODS FOR DYNAMIC TRANSCEIVER PATH ADAPTATION BASED ON MEASUREMENTS FROM MULTIPLE SENSORS - In accordance with embodiments of the present disclosure, a wireless network interface may include a transmit/receive path comprising an antenna for transmitting and receiving wireless transmissions and a baseband controller communicatively coupled to the transmit/receive path and configured to receive fused sensor information indicative of environmental conditions detected by a plurality of sensors and, based on the fused sensor information, tune one or more parameters of the transmit/receive path. | 2015-10-29 |
20150311944 | AMBIENT BACKSCATTER TRANCEIVERS, APPARATUSES, SYSTEMS, AND METHODS FOR COMMUNICATING USING BACKSCATTER OF AMBIENT RF SIGNALS - Apparatuses, systems, ambient backscatter transceivers, and methods for modulating a backscatter of an ambient RF signal are described. An example system may include an ambient backscatter transceiver comprising an antenna that is configured to receive a backscattered ambient radio frequency (RF) signal. The ambient backscatter transceiver is configured to demodulate the backscattered ambient RF signal to retrieve first data. The backscattered ambient RF signal is generated by backscattering an ambient RF signal at a first frequency. The ambient RF signal is encoded with modulated to provide second data at a second frequency. | 2015-10-29 |
20150311945 | DEVICE AND METHOD FOR DETERMINING THE ARRIVAL TIME OF A UWB SIGNAL - A device and a method for determining the arrival time of a UWB signal including at least one pulse modulated at a carrier frequency. The receiver includes a frequency translation stage for translating the UWB signal to a first intermediate frequency and a second intermediate frequency. In an integration stage, the signals translated to the first intermediate frequency and to the second intermediate frequency are integrated on a time window to give a first integration result and a second integration result respectively. The phase deviation is determined between the first and second integration results and from this phase deviation, the arrival time of the UWB signal is deduced. | 2015-10-29 |
20150311946 | SHORT-RANGE ZIGBEE COMPATIBLE RECEIVER WITH NEAR-THRESHOLD DIGITAL BASEBAND - An 8.1 nJ/bit 2.4 GHz receiver with integrated digital baseband supporting Q-QPSK DSSS modulation compliant with the IEEE 802.15.4 standard is presented that targets short-range, Internet of Things applications (IoTs). The sensitivity of a wireless communication receiver in general trades with power consumption. This receiver exploits this tradeoff to achieve a total power consumption of 2.02 mW including ADCs and digital baseband processing, at a sensitivity of −52.5 dBm at 250 Kbps. The energy-efficiency of the radio frequency (RF) front-end alone is nearly two times better than the prior art. The receiver was fabricated in 65 nm CMOS with an area of 0.86 mm | 2015-10-29 |
20150311947 | Method and Device for Searching Cell - Provided are a method and device for searching a cell, and the method comprises: timeslot synchronization is performed; a primary scrambling code group is identified and a frame synchronization is performed according to hashed values of code numbers of secondary synchronization codes (SSCs) in any several consecutive timeslots; and a primary scrambling code is obtained in the primary scrambling code group according to the primary scrambling code group, so as to complete cell searching. | 2015-10-29 |
20150311948 | INTERLEAVING LOW TRANSMISSION POWER AND MEDIUM TRANSMISSION POWER CHANNELS IN COMPUTER NETWORKS - In a multiple interface, low power and lossy network comprising a plurality of nodes, a low transmission power and medium transmission power topology are defined for the network and a channel-hopping schedule is defined for the devices operating in each topology. A sender determines that data is capable of being transmitted via a link on the low transmission power topology. The sender determines the transmission parameters for the transmission of the data over the link on the low transmission power topology and determines a low transmission power channel for transmission of the data. The sender transmits the determined channel and the transmission parameters to the receiver. The sender transmits the data via the determined channel in the low transmission power topology. | 2015-10-29 |
20150311949 | SIGNAL PROCESSING METHOD IN DSL SYSTEM, APPARATUS, AND SYSTEM - Embodiments of the present invention provide a signal processing method in a DSL system. The method includes: determining that there is no to-be-sent downstream signal on m subscriber lines in n subscriber lines; superimposing a signal X on the m subscriber lines, so that a signal output on the m subscriber lines after precoding processing is 0, where x | 2015-10-29 |
20150311950 | TRACE CANCELLER WITH EQUALIZER ADJUSTED FOR TRACE LENGTH DRIVING VARIABLE-GAIN AMPLIFIER WITH AUTOMATIC GAIN CONTROL LOOP - Distortions of both amplitude and phase along a transmission line are compensated for by a trace canceller inserted between a transmitter and a receiver. The trace canceller has an equalizer that compensates for a trace length between the transmitter and the trace canceller. A variable gain amplifier between the equalizer and an output buffer has its gain controlled by an automatic gain control circuit that compares low-frequency swings of the input and output of the trace canceller. The gain of the variable gain amplifier is reduced to prevent the output buffer from saturating and clipping peak voltages on its output. Thus both the variable gain amplifier and the output buffer remain in the linear region. Training pulses from the transmitter are passed through the trace canceller without clipping of peak voltages, allowing the transmitter and receiver to adjust transmission parameters to best match the transmission line. | 2015-10-29 |
20150311951 | METHOD FOR USING POWER LINES FOR WIRELESS COMMUNICATION - The method is for providing broadband access into a dwelling ( | 2015-10-29 |
20150311952 | Server Information Handling System NFC Management Sideband Feedback - Server information handling system deployment and maintenance is enhanced with automated trouble ticket generation at a mobile telephone through an NFC transaction with a management controller. NFC transactions coordinate authorization for replacement component installation and server information handling system replacement. In one embodiment, a bezel includes an NFC device that interfaces with a management controller and stores configuration information to aid installation of replacement server information handling systems in the event of a system failure. A back-up battery provides power to an NFC support circuit that stores fault codes detected by the management controller so that fault codes are available during management controller failures. In one embodiment, contact information provided from a mobile telephone through an NFC transaction is used by the management controller to notify the mobile telephone of the state of management functions initiated by the mobile telephone with the NFC transaction. | 2015-10-29 |
20150311953 | CYCLOCOMPUTER - A cyclocomputer includes: a body; a display provided on an upper surface of the body and displaying prescribed information; a storage provided in the body and storing therein data including at least a portion of the prescribed information; and an NFC tag provided in the body and allowing data communication with an NFC reader writer incorporated in a mobile wireless communication terminal. The cyclocomputer can transmit via the NFC tag to the mobile wireless communication terminal at least a portion of the data stored in the storage, and the cyclocomputer can receive from the mobile wireless communication terminal via the NFC tag at least a portion of other data stored in the mobile wireless communication terminal or input to the mobile wireless communication terminal via an operation unit of the mobile wireless communication terminal. | 2015-10-29 |
20150311954 | BICYCLE COMPONENT WITH WIRELESS COMMUNICATION - A bicycle component is basically provided with a wireless electrical power transmission arrangement and a wireless communication arrangement. The wireless electrical power transmission arrangement has a power transmitter and a power receiver to wirelessly transfer electrical power from the power transmitter to the power receiver. The wireless communication arrangement has a first communication unit and a second communication unit. The first and second communication units are spaced apart to wirelessly communicate from one of the first and second communication units to the other of the first and second communication units. The wireless communication arrangement is spaced from the wireless electrical power transmission arrangement by a prescribed distance that is larger than 5.0 mm. | 2015-10-29 |
20150311955 | WIRELESS CHARGING METHOD AND SYSTEM, AND MOBILE TERMINAL - The embodiments of the present application provide a wireless charging method and system, and a mobile terminal. The wireless charging method includes: activating a wireless charging function by a first mobile terminal and a second mobile terminal; determining that the first mobile terminal is a wireless charging sender, and the second mobile terminal is a wireless charging receiver; and performing a wireless charging on the second mobile terminal by the first mobile terminal. The embodiments of the present application solve the problem that the power is insufficient in emergency situations. In addition, the operation is simple and the usage limitations are reduced. | 2015-10-29 |
20150311956 | SYSTEM AND METHOD FOR CODED COMMUNICATION SIGNALS REGULATING INDUCTIVE POWER TRANSMISSION - An inductive power transfer system and method for transferring power to an electrical device wirelessly include an inductive power outlet and an inductive power receiver. During operation, instruction signals are sent from the inductive power outlet to the inductive power receiver. When no instruction signals are transferred, the system is configured to deactivate such that power is drawn by the system only during operation. | 2015-10-29 |
20150311957 | NFC Communication with an Information Handling System Supplemented by a Management Controller and Advertised Virtual Tag Memory - Near Field Communication (NFC) supports server information handling system management through communication between a mobile information handling system and a baseboard management controller. Enhanced transfer by NFC of management information is provided by manipulating the NFC tag memory assigned for information transfer with the aid of a microcontroller coordinating NFC transfers at the baseboard management controller, such as with coordinated storage operations at a tag memory an supporting processors/microcontrollers. The microcontroller manages tag memory and/or system memory so that the portable information handling system writes and reads information beyond the capabilities of unaided tag memory. | 2015-10-29 |
20150311958 | COMMUNICATION SYSTEM, COMMUNICATION APPARATUS AND COMMUNICATION METHOD - A method for a communication device includes determining whether a first radio frequency (RF) signal at a level of at least a first predetermined field threshold is detected. The method also includes generating a second RF signal at a level of at least a second predetermined field threshold greater than the first predetermined field threshold, when the communication device receives an instruction to generate the second RF signal and the determining determines that the first RF signal at the level of at least the first predetermined field threshold is not detected. The method further includes receiving a load modulated RF signal in response to the second RF signal. | 2015-10-29 |
20150311959 | SYSTEMS AND METHODS FOR SECURE INTERMEDIARY DATA TRANSFERS USING CLOSE PROXIMITY WIRELESS COMMUNICATION - The present disclosure provides systems and methods for utilizing close proximity wireless communication (CPWC) technology for a secure out-of-band (OOB) transfer of communication information between two or more devices at close range. The communication information may be used to establish a secure communication channel over a greater distance than possible using CPWC technologies. A host device may include a processing unit in communication with a communication module and a CPWC module. An edge device may include a processing unit in communication with a communication module and a CPWC tag. The CPWC tag may receive communication information from the CPWC module of the host device. In other embodiments, the edge device may receive communication information from an intermediary transfer device. The edge device may then use the communication information to facilitate secure communication via the communication module of the edge device and the communication module of the host device. | 2015-10-29 |
20150311960 | Electronic Device With Near-Field Antenna Operating Through Display - An electronic device may have a display. A display cover layer and a transparent inner display member may overlap a display pixel layer. The display pixel layer may have an array of display pixels for displaying images for a user. A touch sensor layer may be interposed between the display pixel layer and the transparent display member. A ferromagnetic shielding layer may be mounted below the display pixel layer. A flexible printed circuit containing coils of metal signal lines that form a near-field communications loop antenna may be interposed between the ferromagnetic shielding layer and the display pixel layer. A non-near-field antenna such as an inverted-F antenna may have a resonating element mounted on an inner surface of the display cover layer. The resonating element may be interposed between the transparent display member and the display cover layer. | 2015-10-29 |
20150311961 | DYNAMIC CLUSTERING FOR RADIO COORDINATION IN A VIRTUAL NETWORK - An apparatus for adaptively defining clusters transmit points for coordination in a communication network includes a circuit that receives radio frequency channel information corresponding to the transmit points and defines a subset of the transmit points based at least in part on the radio frequency communication channel information. The subset is interrelated by a contiguous chain of dominant interference relationships between pairs of the transmit points. The apparatus further includes a processor that independently coordinates radio communications among the subset of transmit points. | 2015-10-29 |
20150311962 | APPARATUS, SYSTEM AND METHOD OF MULTI-INPUT-MULTI-OUTPUT (MIMO) BEAMFORMED COMMUNICATION WITH SPACE BLOCK CODING - Some demonstrative embodiments include devices, systems and/or methods of beamformed communication with space block coding. For example, an apparatus may include a controller to control a plurality of antenna subarrays to form a plurality of directional beams directed in a plurality of different directions for communicating a multi-input-multi-output (MIMO) wireless transmission, which is encoded according to a space-block coding scheme. | 2015-10-29 |
20150311963 | Method and Arrangement for Adapting a Multi-Antenna Transmission - A method in a first node for adapting a multi-antenna transmission to a second node over a wireless channel is provided. The wireless channel has at least three inputs and at least one output. The first node and the second node are comprised in a wireless communication system. The method includes obtaining at least one symbol stream, determining a precoding matrix having a product structure created by a block diagonal matrix being multiplied from the left with a block diagonalizing unitary matrix, precoding the at least one symbol stream with the determined precoding matrix, and transmitting the precoded at least one symbol stream over a wireless channel to the second node. | 2015-10-29 |
20150311964 | CHANNEL SOUNDING METHOD IN WIRELESS LOCAL AREA NETWORK SYSTEM AND APPARATUS FOR SUPPORTING THE SAME - A method for a channel sounding in a wireless local area network. A station receives a 20 MHz null data packet announcement (NDPA) frame and at least one duplicate 20 MHz NDPA frame. The at least one duplicate 20 MHz NDPA frame is a duplicate of the 20 MHz NDPA frame. The station also receives a null data packet (NDP) following the 20 MHz NDPA frame and the at least one duplicate 20 MHz NDPA frame. The bandwidth over which the 20 MHz NDPA frame and the at least one duplicate 20 MHz NDPA frame are transmitted is the same as a bandwidth over which the NDP is transmitted. The station transmits a report frame for the channel sounding. The 20 MHz NDPA frame and the at least one duplicate 20 MHz NDPA frame comprise bandwidth information indicating the bandwidth over which the frames are transmitted. | 2015-10-29 |
20150311965 | FEEDBACK SCHEDULING TO REDUCE FEEDBACK RATES IN MIMO SYSTEMS - In a closed-loop wireless communication system, a codebook-based feedback control mechanism is provided where feedback from each of a plurality of receivers is scheduled to control the feedback so that the receiving devices do not needlessly feed back precoding information to the transmitting device. The feedback may be controlled by establishing and distributing a schedule to control when each receiver feeds back precoding information, or by establishing and distributing a metric-based feedback threshold that must be satisfied before feedback is permitted. | 2015-10-29 |
20150311966 | METHOD AND SYSTEM FOR PRECODING DATA - The present disclosure relates to channel state feedback in a communication system. The method includes obtaining a reference signal from an access point; deriving a rank indication, a codebook subset selection indication and a precoding matrix index based on the obtained reference signal; sending a first feedback message conveying the rank indication and the codebook subset selection indication, and sending a second feedback message conveying the precoding matrix index, to the access point; and receiving, from the access point, data precoded by a matrix derived based on the rank indication, the codebook subset selection indication and the precoding matrix index. | 2015-10-29 |
20150311967 | MITIGATION OF INTERFERENCE FROM A MOBILE RELAY NODE TO HETEROGENEOUS NETWORKS - Devices, systems and methods for mitigating the interference introduced by mobile relay nodes in a heterogeneous network are described. The techniques described apply fractional frequency reuse and power controlled beamforming to mitigate such interference. | 2015-10-29 |
20150311968 | METHOD AND APPARATUS FOR REPORTING CHANNEL STATE INFORMATION OF MULTI-CHANNEL IN WIRELESS LOCAL AREA NETWORK SYSTEM - A method, and a device, for reporting channel state information (CSI) in a wireless local area network system are discussed. The method according to one embodiment includes receiving, by a responding station, a sounding Physical layer Protocol Data Unit (PPDU) from a requesting station; and transmitting, by the responding station, a CSI report to the requesting station, the CSI report including CSI report information in a form of angles representing a beamforming feedback matrix that is estimated by the responding station based on the sounding PPDU. If the sounding PPDU is received via a plurality of contiguous channels, the beamforming feedback matrix is estimated based on all of the plurality of contiguous channels. If the sounding PPDU is received via at least one of a plurality of non-contiguous channels, the beamforming feedback matrix is estimated based on only one of the plurality of non-contiguous channels. | 2015-10-29 |
20150311969 | MODAL ANTENNA BASED COMMUNICATION NETWORK AND METHODS FOR OPTIMIZATION THEREOF - A communication network is optimized using modal antenna techniques, wherein a plurality of communication nodes are synchronized with each other along with mobile and fixed wireless communication devices which comprise the user base. With one or more of the communication nodes and wireless communication devices including at least one respective modal antenna, the network is adapted for dynamic optimization of communication links amongst the wireless users. Node to user throughput, node to node throughput, as well as interference characteristics among the nodes and wireless users are each optimized as a network system to increase communication system network capacity and reliability. The multiple radiation patterns provided by the modal antennas provide a parametric for network-level synchronization to improve communication system performance. | 2015-10-29 |
20150311970 | WIRELESS COMMUNICATION SYSTEM - A wireless communication terminal includes: an array antenna; a MAC processing section, provided to detect a first order system, that interprets information on a quiet period that the base station has informed of the MAC processing section in advance and generates a quiet period signal; a synthesizing section that weights signals received by antennas of the array antenna by using weighting coefficients, and combines the signals to produce a synthetic signal; and an array antenna control section that optimizes the weighting coefficients so as to reduce an interference signal received from the array antenna, over a period of presence of the quiet period signal. The optimized weighting coefficients are applied while downstream signals from the base station are being received, but are not applied while the primary usage system is being detected. | 2015-10-29 |
20150311971 | Method And Apparatus For Smart Adaptive Dynamic Range Multiuser Detection Radio Receiver - A receiver includes multi-user detection (MUD) functionality and a cognitive engine. The receiver may also be coupled to multiple antennas and have analog beamforming capability. The cognitive engine is operative for selecting a beam or beams associated with the multiple antennas to enable successful demodulation by the MUD. The receiver has application in multiple access channels and in other communication scenarios. | 2015-10-29 |
20150311972 | APPARATUSES, SYSTEMS AND METHODS FOR OBTAINING INFORMATION ABOUT ELECTROMAGNETIC ENERGY EMITTED FROM THE EARTH, SUCH AS FOR LOCATING AN INTERFERENCE SOURCE ON EARTH - An observation satellite is used for obtaining information about electromagnetic energy emitted from the earth. The observation satellite orbits the earth in an orbit having an inclination larger than 90° and smaller than 270°. Further, the observation satellite comprises at least one receiving antenna, the at least one receiving antenna having a receiving pattern directed towards the earth, and suitable for receiving electromagnetic energy in the radio frequency range as the observation satellite is orbiting relative to the surface of the earth. The observation satellite also comprises a transmitter configured for at least one of: (i) retransmitting the received electromagnetic energy, (ii) transmitting information representing the received electromagnetic energy, and (iii) transmitting information derived from the received electromagnetic energy. The invention also relates to systems and methods therefor. | 2015-10-29 |
20150311973 | Data Detection Method and Data Detector for Signals Transmitted Over a Communication Channel With Inner-Symbol Interference - A data detection method, having the steps of: a. receiving a signal transmitted over a communication channel, the signal being representative of at least a stream of interfering symbols x | 2015-10-29 |
20150311974 | MICROREFLECTION DELAY ESTIMATION IN A CATV NETWORK - Systems and methods of estimating a distance to a cause of a micro-reflection in a CATV network. | 2015-10-29 |
20150311975 | FEEDBACK CONTROLLED RAMAN AMPLIFICATION IN OPTICAL SYSTEM - An optical communication link that includes two nodes interconnected by an optical channel that comprises optical fiber(s), and that is used to communicate an optical signal comprising multiple optical signal wavelengths. The first node provides an optical signal onto the optical channel towards the second node, or receives an optical signal from the optical channel from the second node. A Raman pump provides Raman pump power into the optical fiber of the optical channel to thereby perform Raman amplification of the optical signal in the optical fiber. The second node determines a quality measurement of at least of optical wavelength signals transmitted by the first node to the second node. The second node also transmits information from the quality measurement back to the first node. A controller at the first node controls at least one parameter of the Raman pump in response to this transmitted information. | 2015-10-29 |
20150311976 | LIGHT SOURCE MODULE AND OPTICAL TRANSCEIVER - A light source module includes a single light source with two opposite light outputting faces, a first optical amplifier and a second optical amplifier provided on opposite sides of the light source adjacent to the corresponding light outputting faces, and a first monitor configured to monitor an output of the first optical amplifier, wherein a power output level of the first optical amplifier is controlled independently from the second optical amplifier based upon a monitoring result of the first monitor. | 2015-10-29 |
20150311977 | METHODS AND APPARATUS FOR CONFIGURING AN IMAGE SENSOR FOR DECODING HIGH FREQUENCY VISIBLE LIGHT COMMUNICATION SIGNALS - A method, an apparatus, and a computer-readable medium for configuring an image sensor for processing a visible light communication (VLC) signal are provided. The apparatus instructs the image sensor to operate at a first exposure setting, the first exposure setting lower than a second exposure setting for capturing a photographic image, captures, via the image sensor, at least one VLC signal frame at the first exposure setting, detects at least one communication symbol included in the at least one captured VLC signal frame, and decodes a message associated with the at least one VLC signal frame captured by the image sensor by decoding a number of detected communication symbols. | 2015-10-29 |
20150311978 | OPTICAL DISPERSION COMPENSATION DEVICES - Optical dispersion compensation devices are provided herein that are based on one or more optical ring resonators. The degree of dispersion compensation can be selected by controlling the degree of under-coupling and by tuning physical properties of the optical ring resonators. In a first implementation, an optical ring resonator under-coupled to an optical throughput bus can be used to provide positive or negative dispersion compensation depending on tuning of the optical ring resonator, which widens the dispersion window. In a second implementation, an over-coupled optical ring resonator can be added to the optical throughput bus to provide a cascaded filter. In a third implementation optical ring resonators arranged in series between an optical input bus and an optical output bus can be used to both tune dispersion compensation and provide demultiplexing. | 2015-10-29 |
20150311979 | OPTICAL NETWORK UNIT CAPABLE OF REDUCING OPTICAL BEAT INTERFERENCE AND METHOD FOR CONTROLLING THE SAME - Disclosed are an optical network unit included in an OFDMA-PON system that is capable of reducing OBI (optical beat interference), and a method of controlling the optical network unit. The disclosed optical network unit includes: a signal generator part configured to generate an electrical signal carrying transmission data; an RF tone generator part configured to generate an RF tone; a combiner part configured to combine the electrical signal and the RF tone; and a photoelectric converter part configured to convert the combined signal of the electrical signal and RF tone into an optical signal. | 2015-10-29 |
20150311980 | OPTICAL COMMUNICATION SYSTEM, OPTICAL COMMUNICATION METHOD, HIGHER-NETWORK APPARATUS, AND OPTICAL LINE TERMINAL - This invention provides a communication system constituted of a higher-network apparatus and a lower-network apparatus connected through a PON system, and an object of the invention is to transfer uplink data from the lower-network apparatus to the higher-network apparatus at high speed so as to meet severe conditions required for a delay time between the higher-network apparatus and the lower-network apparatus. | 2015-10-29 |
20150311981 | SINGLE-CORE OPTICAL TRANSCEIVER - A single-core optical transceiver is an optical transceiver for transmitting or receiving an optical signal through a single optical fiber. The single-core optical transceiver has a light emitting device for transmitting the optical signal and a light receiving device for receiving the optical signal. The light emitting device is an LED configured including a sapphire substrate arranged on a light receiving surface of the light receiving device so as to be coaxial with the light receiving surface, and a nitride semiconductor layer laid on the sapphire substrate. Even with the light emitting device being arranged on the light receiving surface of the light receiving device, the optical signal from the optical fiber can be received on the entire area of the light receiving surface, so as to adequately improve the light sensitivity. | 2015-10-29 |
20150311982 | DEVICES AND TECHNIQUES FOR INTEGRATED OPTICAL DATA COMMUNICATION - Devices and techniques for integrated optical data communication. An optical receiver may include a photodetector and a differential amplifier. The photodetector is coupled to an optical waveguide. The optical waveguide is configured to provide an optical signal encoding data. A first terminal of the differential amplifier is coupled to receive a photodetection signal from the photodetector. A second terminal of the differential amplifier is coupled to receive, from a noise measurement unit, a reference signal representing a noise component of the photodetection signal. The differential amplifier is configured to provide an amplifier signal encoding at least some of the data. | 2015-10-29 |
20150311983 | FREQUENCY OFFSET COMPENSATION APPARATUS AND FREQUENCY OFFSET COMPENSATION METHOD - A frequency offset compensation apparatus includes: first FFT means for performing a discrete-time Fourier transform of an input signal; second FFT means for performing a discrete-time Fourier transform; and offset compensation means for changing an order of output data of the first FFT means according to a frequency offset compensation amount, and rearranging the output data, and then inputting the output data to the second FFT means. This makes possible a frequency offset compensation without needing a new complex multiplier or a new memory in optical communication. | 2015-10-29 |
20150311984 | Data Interpretation With Noise Signal Analysis - Methods and systems for providing and processing data are disclosed. An example method can comprise determining a first weighted probability based on a probability of occurrence of a noise signal and a first likelihood ratio. The first likelihood ratio is based on a frequency distribution of the noise signal. An example method can comprise determining a second weighted probability based on a probability of non-occurrence of the noise signal and a second likelihood ratio. An example method can comprise determining a combination of the first weighted probability and the second weighted probability, and providing the combination to a decoder configured to decode a value based on the combination. | 2015-10-29 |
20150311985 | METHOD AND APPARATUS FOR CANCELLING SELF-INTERFERENCE SIGNAL BETWEEN TRANSMISSION ANTENNA AND RECEPTION ANTENNA - An apparatus for cancelling a self-interference signal between a transmission antenna and a reception antenna is disclosed. The apparatus includes a first self-interference signal cancellation unit for cancelling a self-interference signal in consideration of a linear channel between the transmission antenna and the reception antenna, a second self-interference signal cancellation unit for cancelling a self-interference signal in consideration of nonlinear channel characteristic between the transmission antenna and the reception antenna or linear characteristic of a radio channel, and a controller for comparing a transmitted signal output from the transmission antenna and a received signal received by the reception antenna to provide a first coefficient to be applied to self-interference signal cancellation of a linear device in the first self-interference signal cancellation unit and a second coefficient to be applied to self-interference signal cancellation of a nonlinear device in the second self-interference signal cancellation unit. | 2015-10-29 |
20150311986 | Phase Noise Tracking and Reduction - A group of data symbols for a current block of data symbols in multiple blocks received over a communication channel is equalized, based on a pilot block, to generate a group of equalized symbols. The group of equalized symbols is de-rotated as a function of a current phase estimate to determine initial de-rotated equalized symbols. The phase estimate is an estimate of phase caused by noise for blocks previous to the current block. Additionally, a phase metric is calculated from real and imaginary parts of the initial de-rotated equalized symbols, wherein the phase metric estimates phase caused by noise for the current block. The current phase estimate is updated with the phase metric. The initial de-rotated equalized symbols are de-rotated by the phase metric to determine final equalized and de-rotated symbol estimates. The final equalized and de-rotated symbol estimates are output. Apparatus, methods, and computer program products are disclosed. | 2015-10-29 |
20150311987 | Smart Hybrid Combiner - Some embodiments of the present disclosure provide a smart combiner that includes a radio frequency (RF) power coupler having a first input, a second input, a first output, and a second output. The smart combiner further includes a first RF power detector coupled between the first input and the first output, and a second RF power detector coupled between the second input and the second output. The first RF power detector may be configured to monitor a power level of a signal at the first input, and the second RF power detector may be configured to monitor a power level of a signal at the second input. Further, the first RF power detector and the second RF power detector may be further configured to transmit a signal to an external computing device based on the monitored power levels. | 2015-10-29 |
20150311988 | Method and Arrangement for Signaling of Parameters in a Wireless Network - A mobile terminal receives, over a first cell configured on a carrier frequency, at least one parameter associated with a second cell configured on a carrier frequency. The at least one parameter comprises a cell identity. The mobile terminal then derives at least one physical layer characteristic for the second cell based on the received at least one parameter. Thereby, the mobile terminal is able to receive transmissions over the second cell, even if it could not initially detect the presence of the cell. | 2015-10-29 |
20150311989 | METHODS AND APPARATUS FOR GENERATING TWO-TONE CALIBRATION SIGNALS FOR PERFORMING LINEARITY CALIBRATION - Certain aspects of the present disclosure provide methods and apparatus for generating a two-tone signal for performing linearity calibration of a radio frequency (RF) circuit. One example apparatus generally includes a tone generating circuit configured to generate a first single-tone signal from a digital clock signal and a mixer connected with the tone generating circuit and configured to mix the first single-tone signal with a second single-tone signal to provide a two-tone signal having frequencies at a sum and a difference of frequencies of the first and second single-tone signals. | 2015-10-29 |
20150311990 | Compact Radiofrequency Power Meter - A compact and versatile power meter is created through the use of a discrete component network providing for phased splitting and combining of signals obtained at taps along a transmission conduit having a predefined phase separation. The use of the discrete component network eliminates the need for bulky waveguides or microstrip antenna designs, the latter providing phase shift through their physical dimensions. | 2015-10-29 |
20150311991 | INFORMATION DISTRIBUTION SYSTEM, SERVICE CONTROL DEVICE, GATEWAY DEVICE, CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - In order to deal with the need for diversified information distribution, the present invention aims at providing an information distribution system, a gateway device, a distribution control method, and a program that can be utilized by various business operators etc. The information distribution system in accordance with the present invention includes an event detection device ( | 2015-10-29 |
20150311992 | SYSTEM AND METHOD FOR REAL-TIME VIEWER FEEDBACK TO BROADCAST MEDIA - A system and method for real-time viewer feedback during a live broadcast for a large number of users communicating through smart phones, tablets, laptop computers or desktop computers. In response to a solicitation by the broadcast, the users provide information through an internet connection to a data-collecting server. A rendering software solution on a media server converts the information into synchronized fill and key channels resulting in an intelligent graphics file. The synchronized fill and key channels are communicated to a media mixer that also controls the live broadcast. The accumulated viewer information is presented as a graphic and integrated into the live broadcast in real time. Alternatively, the live broadcast is altered is some other way based on the accumulated information provided by the viewers. | 2015-10-29 |
20150311993 | PHYSICAL LAYER SIGNALING TO USER EQUIPMENT IN A WIRELESS COMMUNICATION SYSTEM - A method of wireless communication includes receiving physical layer signaling from a serving eNodeB in a wireless network. Interference estimation, interference cancellation and/or spatial equalization of user equipment is controlled in accordance with the received signaling. | 2015-10-29 |
20150311994 | USER EQUIPMENT AND METHOD FOR ESTIMATING AN INTER CELL INTERFERENCE - A user equipment, UE ( | 2015-10-29 |
20150311995 | WAVELENGTH-DIVISION MULTIPLEXER (WDM) AND DE-MULTIPLEXER (WDDM) - A WDDM includes a base substrate; a first mirror on the base substrate; a second mirror on said base substrate; a third mirror on the base substrate; a first optical splitter on the base substrate, wherein the first mirror is configured to reflect a first light beam to the first optical splitter, wherein the first optical splitter is configured to split the first light beam into a second light beam exiting from a first light exit surface of the first optical splitter and a third light beam reflecting to the second mirror; and a second optical splitter on the base substrate, wherein the second mirror is configured to reflect the third light beam to the second optical splitter, wherein the second optical splitter is configured to split the third light beam into a fourth light beam exiting from a second light exit surface of the second optical splitter and a fifth light beam reflecting to the third mirror. | 2015-10-29 |
20150311996 | SYSTEMS AND METHODS FOR GLOBAL SPECTRAL EQUALIZATION - Systems and methods are disclosed for global spectral equalization. For example, a global spectral equalization method is disclosed that includes computing a reconfigurable optical add-drop multiplexer attenuation vector sum. The method also includes computing a residual tilt based on a level of channel warping. In addition, the method also includes computing an unnecessary attenuation based on the attenuation vector sum and the residual tilt. In addition, the method also includes distributing attenuation adjustment to nodes between a receiver and a transmitter based on the unnecessary attenuation. | 2015-10-29 |
20150311997 | DISTRIBUTED PON TRANSCEIVER ARCHITECTURE - One embodiment provides an optical line terminal (OLT) module in a network device. The OLT module includes an optical signal module, an OLT management module, a scheduler module, and a forwarding module. The optical signal module transmits optical signals to and receives optical signals from a number of optical network units (ONUs). During operation, the OLT management module identifies a remote OLT module operating at a lower upstream data rate than the OLT module. The scheduler module identifies a report message received from a first ONU operating at the lower upstream data rate and generates a grant corresponding to the report message. A grant specifies a time slot for an upstream data burst. The scheduler module includes the grant in a notification frame destined for the remote OLT module. The forwarding module forwards the notification frame to an internal switch of the network device. | 2015-10-29 |
20150311998 | INHIBITING UNAUTHORISED CONTACTLESS READING OF A CONTACTLESS READABLE OBJECT - A jamming device for inhibiting unauthorised contactless reading of a contactless readable object is disclosed. In one embodiment, the jamming device includes: an antenna for receiving an interrogation signal from a reader device; a touch sensitive interface; and a circuit electrically connected to the antenna and the touch sensitive interface, wherein the circuit is configured to: operate in a first mode to generate and emit a jamming signal, via the antenna, in response to receiving the interrogation signal whilst the touch sensitive interface fails to indicate a touch event; and operate in a second mode whilst the touch sensitive interface indicates a touch event, wherein the jamming signal is not emitted via the antenna in response to receiving the interrogation signal whilst operating in the second mode. A card carrying object, system and method is also disclosed. | 2015-10-29 |
20150311999 | SYSTEMS AND METHODS FOR REDUCING A RELATIVELY HIGH POWER, APPROXIMATELY CONSTANT ENVELOPE INTERFERENCE SIGNAL THAT SPECTRALLY OVERLAPS A RELATIVELY LOW POWER DESIRED SIGNAL - Systems and methods are provided for processing time-domain samples of a digitized signal in rectangular coordinates. The digitized signal can include a low power desired signal and a high power, approximately constant envelope interference signal that spectrally overlaps the desired signal. A rectangular to polar converter can obtain magnitude and phase of each time-domain sample in polar coordinates. An interference estimator can estimate a magnitude of the interference signal based on magnitudes of a predetermined number of time-domain samples in polar coordinates. A subtractor can obtain a difference magnitude for each time-domain sample in polar coordinates based on the magnitude of that sample and the estimated magnitude of the interference signal in polar coordinates. A polar to rectangular converter can obtain time-domain samples in rectangular coordinates of the desired signal with reduced power of the interference signal based on the difference magnitude and phase of time-domain samples in polar coordinates. | 2015-10-29 |
20150312000 | Signal Reception Using Non-Linearity-Compensated, Partial Response Feedback - A receiver may receive a signal that was generated by passage of symbols through a non-linear circuit. An equalizer of the receiver may equalize the received signal based on a first non-linearity compensated, inter-symbol correlated (ISC) feedback signal to generate an equalized signal. The receiver may correct a phase error of the equalized signal to generate a phase-corrected equalized signal. The phase correction may be based on a second, non-linearity compensated, inter-symbol correlated (ISC) feedback signal. | 2015-10-29 |
20150312001 | PACKET RETRANSMISSION - Through the identification of different packet-types, packets can be handled based on an assigned packet handling identifier. This identifier can, for example, enable forwarding of latency-sensitive packets without delay and allow error-sensitive packets to be stored for possible retransmission. In another embodiment, and optionally in conjunction with retransmission protocols including a packet handling identifier, a memory used for retransmission of packets can be shared with other transceiver functionality such as, coding, decoding, interleaving, deinterleaving, error correction, and the like. | 2015-10-29 |
20150312002 | RECOVERY FROM BURST PACKET LOSS IN INTERNET PROTOCOL BASED WIRELESS NETWORKS USING STAGGERCASTING AND CROSS-PACKET FORWARD ERROR CORRECTION - A method and apparatus for staggercasting are described including encoding and compressing a first data sequence, packetizing the compressed encoded data sequence to form a data packet, performing forward error correction (FEC) encoding on the data packet in order to generate a second data sequence related to the first data sequence, appending FEC control information as padding to the end of payload data of the data packet, packetizing the second data sequence to form a packet, multicasting the data packet to a first multicast group, multicasting the packet formed using the second data sequence delayed by an offset time to a second multicast group. | 2015-10-29 |
20150312003 | METHOD AND APPARATUS FOR ERROR CONTROL IN 3D VIDEO TRANSMISSOIN - Methods and apparatuses for error control in 3D video transmission over wireless network are described. Cooperative Automatic Repeat re Quest(ARQ) is disclosed, which is based on the selective repeat ARQ with consideration of two factors: one is the interdependent relationship between the multiple components of the 3D video, e.g. the 2D video and its depth information in the 2D-plus-Depth format; and the other is time constraints of video frames/packets for continuous video playback. The disclosed cooperative ARQ allows the sender to control ARQ strength adaptively on a per-frame/per-packet basis. It guarantees continuous play back of the 3D video and efficient use of network connections. | 2015-10-29 |
20150312004 | Group Scheduling and Acknowledgement for Wireless Transmission - An acknowledgment (ACK) frame has two parts: a group ACK part and a scheduling information part. In the group ACK part, an ACK/NACK indicator is included for a previous uplink (UL) transmission per station (STA). In the scheduling information part, information included for the following UL transmission per selected STA may comprise, for example, one or more of: a number of selected STAs, a media access control (MAC) address of each selected STA, a data transmission duration per selected STA, a transmission rate per selected STA, a request transmission duration, a pilot transmission order, or a STA transmission order. | 2015-10-29 |
20150312005 | Methods and devices for reporting and issuing frequency band extension capability - Methods and devices for reporting and issuing a band extension capability are provided. A terminal side receives terminal capability query information from a network side, determines band interval lists to which each band supported by the terminal side belongs, and reports the supported bands through cells corresponding to the band interval lists to which each band belongs; and the network side determines band interval lists to which each band supported by the network side belongs when issuing a band capability supported by the network side, and issues the supported bands through cells corresponding to the band interval lists to which each band belongs. By the solutions of the disclosure, the bands belonging to different band interval lists can be reported and issued through different cells, and the problem of limitations to the number of the bands during the reporting and issuing of the bands is solved. | 2015-10-29 |
20150312006 | METHOD FOR MANAGING COMMUNICATIONS BETWEEN TWO DEVICES MUTUALLY CONNECTED VIA A SERIAL LINK, FOR EXAMPLE A POINT-TO-POINT SERIAL INTERFACE PROTOCOL - A system may include a first device, a second device, a third device, and a serial link between the second device and the third device. The first device may be configured to deliver to the second device an information stream having a transmission fault tolerance associated with a transmission by the second device to the third device over the serial link. A related method may include, during the transmission over the serial link, phases for synchronization between the second and third devices, and during each synchronization phase, the first device may continue to deliver the information stream to the second device. | 2015-10-29 |
20150312007 | METHOD AND APPARATUS FOR OPTIMIZED HARQ FEEDBACK WITH CONFIGURED MEASUREMENT GAP - A method and apparatus for improved downlink data transport with hybrid automatic repeat request (HARQ) feedback and a measurement gap are provided. A user equipment (UE) receives from a network a transmission grant for downlink data on a first control channel. The UE receives the data from the network via a transport channel. In response to the received data, the UE determines whether transmission of an acknowledgement message falls in a measurement gap. Upon determining that the transmission of the acknowledgement message by the UE falls in the measurement gap, and prior to receiving from the network a retransmission grant for the data on the first control channel, the UE sends the acknowledgement message on a second control channel in a sub-frame following the measurement gap. The first control channel is associated with the second control channel. | 2015-10-29 |
20150312008 | Autonomous Channel Quality Information Prediction - Data characterizing a first signal transmitted in an orthogonal frequency-division multiplexing (OFDM) system by a transmitter with one or more transmit antennas through an in-band channel and received by a receiver with a plurality of receive antennas can be received. The first signal can include one or more in-band pilot pulses. A channel quality for an out-of-band channel can be predicted based on the received data and a cross-correlation between an in-band channel and one or more out-of-band channels. Data characterizing the predicted channel quality for the out-of-band channel can be provided. Related apparatus, systems, techniques, and articles are also described. | 2015-10-29 |
20150312009 | GROUPING OF CS AND COMB VALUES FOR DM-RS AND SRS ON SHARED TIME-FREQUENCY RESOURCES - A method for grouping of CS (and comb values) for DM-RS and SRS on shared time-frequency resources is described. The method includes dividing a RS space into at least a first region and a second region. The method also includes allocating, from the first region, a DM-RS sequence CS and/or a DM-RS comb for a DM-RS; and allocating, from the second region, a SRS sequence CS and/or a SRS comb for a SRS. The DM-RS and the SRS are on the same resources on an uplink shared channel (such as a PUSCH for example). The RS space comprises at least one of a CS set and a IFDM comb set. The CS set and/or the IFDM comb set of the first region is based at least in part on a number of physical resource blocks allocated to the uplink shared channel. Apparatus and computer readable media are also described. | 2015-10-29 |
20150312010 | BASE STATION, PROCESSOR, COMMUNICATION CONTROL METHOD AND USER TERMINAL - A base station that communicates with a plurality of user terminals in a mobile communication system in which a radio signal including a reference signal for estimating a channel characteristic is transmitted and received, comprises: a control unit that changes a reference signal density that is a density of the reference signal applied to communication with the plurality of user terminals. The control unit calculates a statistics amount of communication quality information acquired for all the plurality of user terminals, and changes the reference signal density on the basis of the statistics amount. | 2015-10-29 |
20150312011 | Frame Structure for Filter Bank Multi-Carrier (FBMC) Waveforms - A unified frame structure for filter bank multi-carrier (FBMC) and orthogonal frequency division multiplexed (OFDM) waveforms may allow FBMC and OFDM frames to be communicated over a common channel without significant inter-frame gaps. The unified frame structure may set an FBMC frame duration to an integer multiple of an OFDM frame element duration to enable alignment of FBMC frames and OFDM frames in the time domain. The unified frame structure may also map control channels in the FBMC and OFDM frames to common resource locations so that the respective control channels are aligned in the time and/or frequency domains. The unified frame structure may also share synchronization channels between FBMC and OFDM frames. Additionally, overhead in an FBMC time division duplexed (TDD) communications channel can be reduced by overlapping time windows appended to FBMC blocks. | 2015-10-29 |
20150312012 | ENFORCING STATION FAIRNESS WITH MU-MIMO DEPLOYMENTS - A non-transitory computer readable medium including instructions which, when executed by one or more hardware processors, causes performance of operations. The operations include: obtaining a first pathloss value for a first data transmitted between a first device and a second device; receiving, at a first component of the first device, a second data to be transmitted to the second device; based at least on the first pathloss value: selecting a first subset of the second data for transmission from the first component to a second component of the first device, where the second component is configured for causing transmission of the first subset of the second data to the second device; transmitting, during a first period of time from the first component to the second component, the first subset of the second data. | 2015-10-29 |
20150312013 | TRANSMISSION OF INFORMATION IN A WIRELESS COMMUNICATION SYSTEM - Methods, devices, and systems for the transmission of information in a wireless communication system are disclosed. In one embodiment, a method for the transmission of information in a wireless communication system comprises receiving a downlink message, wherein the downlink message includes a first control channel element; determining a first index using the location of the first control channel element; determining a second index; determining a first orthogonal resource using the first index; determining a second orthogonal resource using the second index; spreading an uplink message using the first orthogonal resource to form a first spread signal; spreading the uplink message using a second orthogonal resource to form a second spread signal; transmitting the first spread signal using a first antenna; and transmitting the second spread signal using a second antenna. | 2015-10-29 |
20150312014 | OVERHEAD REDUCTION FOR TRANSMISSION OF ACKNOWLEDGMENT SIGNALS - A method and apparatus for compressing resources used for transmitting acknowledgment signals from User Equipments (UEs). An acknowledgment signal is in response to detections from a UE of one or more Physical Downlink Control CHannels (PDCCHs) in respective one or more Transmission Time Interval (TTIs) within M TTIs. Each PDCCH is transmitted over Control Channel Elements (CCEs). Resources account for both CCEs in a same TTI and for TTIs within the M TTIs. A Hybrid Automatic Repeat reQuest (HARQ) Acknowledgment Resource Offset (HRO) field in a Downlink Control Information (DCI) format is used to compress resources in both CCE and TTI domains. For the first TTI of the M TTIs, all HRO values compress resources in the CCE domain while for all remaining TTIs, half HRO values compress resources in the CCE domain and half HRO values compress resources in the TTI domain. | 2015-10-29 |
20150312015 | CHANNEL QUALITY REPORT PROCESSES, CIRCUITS AND SYSTEMS - An electronic device includes a first circuit ( | 2015-10-29 |
20150312016 | Methods, Systems, And Computer Program Products For Determining A Radio Network Temporary Identifier And Coding Rate For An Intercell Signal In a Long Term Evolution Communications Network - Methods and systems are described for determining a radio network temporary identifier (RNTI) and coding rate for an intercell signal in an LTE network. In one aspect, a plurality of potential RNTIs (that is a subset of all available RNTIs) associated with a received intercell signal is determined. A first signal based on a first potential combination of a one of the plurality of RNTIs and a coding rate is processed by a first decoder. Whether the first potential combination includes a correct RNTI and coding rate combination for the received intercell signal is determined based on at least one metric for the processed first signal. A second signal based on a second potential combination of a one of the plurality of RNTIs and a coding rate is processed by a second decoder if the first potential combination does not include the correct RNTI and coding rate combination. | 2015-10-29 |
20150312017 | COMMUNICATION APPARATUS AND COMMUNICATION METHOD - A communication apparatus comprises a generator that generates frequency resource position information corresponding to a first information which is based on the communication quality information received from user equipments, the frequency resource position information indicating validity or invalidity of the first information for each frequency resource, and
| 2015-10-29 |
20150312018 | Radio Frequency Circuit and Mobile Terminal - A radio frequency circuit. In the circuit, a first directional coupler receives a second transmit signal, uses a part of the second transmit signal as a third transmit signal, directly sends the third transmit signal to a first port of a circulator, and obtains a first coupling signal from the second transmit signal; the circulator outputs the third transmit signal through a second port; an impedance tuner transmits the third transmit signal to an antenna port and transmits, to the second port of the circulator, a first input signal from the antenna port; the circulator inputs the first input signal to a second directional coupler through a third port; the second directional coupler obtains a second coupling signal from the first input signal; and a controller adjusts impedance of the impedance tuner according to the first coupling signal and the second coupling signal. | 2015-10-29 |
20150312019 | Clock and Data Recovery Using Receiver Clock Spread Spectrum Modulation and Offset Compensation - A system and method for performing clock and data recovery. The system sets the phase of a recovered clock signal according to at least three estimates of the rate of change of an offset between the frequency of the data transmitter clock and the frequency of a receiver clock. | 2015-10-29 |
20150312020 | Apparatus for Synchronizing Clock Frequencies - An apparatus for synchronizing the clock frequencies of a first electronics unit arranged on the primary side, and a second electronics unit arranged on the secondary side. Associated with the first electronics unit is a clock signal producer, which produces a clock signal having a reference clock frequency, wherein a transmission unit is provided between the first electronics unit and the second electronics unit. A first control unit is provided, which operates the transmission unit with a clock frequency, which amounts to a fraction of the reference clock frequency of the first electronics unit, wherein a second control unit is provided, which couples the clock frequency out to the secondary side and, based on the out-coupled clock frequency, produces for the second electronics unit a clock frequency, which is synchronous with the reference clock frequency of the first electronics unit. | 2015-10-29 |
20150312021 | Method and device for synchronizing time in short distance - Disclosed is a method for synchronizing time in a short distance, comprising: a receiver receiving time service machine local time broadcast by more than one time service machine, and selecting time broadcast by one time service machine as local time of the receiver. Also disclosed is a device for synchronizing time in a short distance for implementing the method. By using the technical solutions in the present invention, compared with the prior art, a cumbersome operation of synchronizing the time in a manual setting process is avoided, and that users of different operators cannot uniformly acquire standard time is avoided. The technical solutions in the present invention enable a time setting manner of a user terminal to be more interesting, and can restore to previous local time at any time after time synchronization is acquired, and a user operation is convenient. | 2015-10-29 |
20150312022 | LOW-POWER, LOW-LATENCY ARCHITECTURE FOR TELECOM AND DATACOM MULTIPLEXERS AND DEMULTIPLEXERS - Described herein are systems and methods for reducing power consumption, latency, and chip complexity in a datacom/telecom multiplexer and demultiplexer. Adding a high frequency analog domain data path around or in place of a standard digital core data path allows the elimination of the demultiplexing and multiplexing stages required to drop the data rate of data streams down to that required for a standard digital core. Latency is also reduced due to the higher operating frequency of sequential elements required for data operations. The digital core can be powered down when not in use, and can be activated when necessary. | 2015-10-29 |
20150312023 | Time Signal Propagation Delay Correction - Disclosed herein are a variety of systems and methods for correcting for propagation delay in time signals used in connection with an electric power generation and delivery system. According to various embodiments, a device consistent with the present disclosure may determine an estimated propagation delay between an accurate time source and a receiving device. The propagation delay may be determined based on a variety of transmission parameters including, for example, communication channel type and/or length. A corrected time signal may be generated by advancing a reference incitation such as an “on-time” reference and/or “start-of-second” reference included in the time signal by an amount associated with the propagation delay. The corrected time signal may then be transmitted to the receiving device. | 2015-10-29 |
20150312024 | COMPUTER PROGRAM PRODUCTS, MODULES AND METHOD TO GENERATE INTEGER ZERO AUTOCORRELATION SEQUENCE - The present application provides a method, a module, and a computer program product to generating a zero autocorrelation sequence with all integer values in the sequence. When a user operates communication transmission, the present application is applied to generate a sequence with integer values for synchronization, which is able to make control signal and data transmission synchronized. | 2015-10-29 |
20150312025 | SINGLE-WIRE TRANSMISSION INTERFACE AND SINGLE-WIRE TRANSMISSION METHOD AND POWER SUPPLY SYSTEM ADOPTING SINGLE-WIRE TRANSMISSION METHOD - The present invention discloses a single-wire transmission method, which includes: providing a transmission signal including alternating high and low levels through a single-wire, wherein a period of one of the high and low levels defining a reference time and a period of the other of the high and low levels defining a content time; determining a relative relationship between the reference time and the content time; when the content time is smaller than a proportion of the reference time, defining the content time to express a first meaning; and when the content time is larger than the proportion of the reference time, defining the content time to express a second meaning. | 2015-10-29 |
20150312026 | METHOD AND DEVICE FOR GENERATING SYNCHRONIZATION SIGNAL IN WIRELESS ACCESS SYSTEM SUPPORTING ULTRAHIGH FREQUENCY BAND - Abstract: The present invention relates to a method for newly defining a synchronization signal to be used in an ultrahigh frequency band and acquiring downlink synchronization by using the synchronization signal, and a device for supporting the same. A method by which an eNode B (eNB) transmits a synchronization signal for compensating for a carrier frequency offset in a wireless access system supporting an ultrahigh frequency band, according to one embodiment of the present invention, can comprise the steps of: generating a first repetitive synchronization signal having a first repetitive characteristic; generating a second repetitive synchronization signal having a second repetitive characteristic; and transmitting the first repetitive synchronization signal and the second repetitive synchronization signal in the same subframe. | 2015-10-29 |
20150312027 | FUNCTION MASKING APPARATUS IN SYMMETRIC CRYPTOGRAPHIC ALGORITHM FOR PREVENTING SIDE CHANNEL ATTACKS AND METHOD THEREOF - Disclosed is a function masking apparatus in a symmetric cryptographic algorithm for preventing side channel attacks, including: a controller creating lookup tables for one or more internal functions included in a high security and light weight (HIGHT) algorithm, respectively based on a plurality of non-linear functions, a plurality of linear functions, and a plurality of constants which are randomly generated; and a storage unit storing the lookup tables for one or more internal functions included in the generated HIGHT algorithm. | 2015-10-29 |
20150312028 | HOMOMORPHIC ENCRYPTION AND DECRYPTION METHODS USING RING ISOMORPHISM, AND APPARATUSES USING THE SAME - A homomorphic encryption method using ring isomorphism is provided. The homomorphic encryption method includes: randomizing a plaintext (m) by adding an error (e) to the plaintext (m); and converting randomized data (r) to r′ using the following equation: Ψ:R→R′, where r∈R, r′∈R′, and the function (Ψ) is ring isomorphism. | 2015-10-29 |
20150312029 | ENCRYPTION APPARATUS, METHOD FOR ENCRYPTION, METHOD FOR DECRYPTION AND COMPUTER-READABLE RECORDING MEDIUM - An encryption apparatus includes a setting generator configured to generate an increasing function parameter regarding a predetermined one-way increasing function and a secret key necessary for encryption, and an encryptor configured to generate a first order-preserving encryption area regarding a plaintext using the one-way increasing function where the increasing function parameter is applied, generate a second encryption area regarding the plain text using the secret key, and generate a ciphertext by concatenating the generated first encryption area and the generated second encryption area. | 2015-10-29 |
20150312030 | INITIALIZATION VECTORS GENERATION FROM ENCRYPTION/DECRYPTION - A computer-implemented method of encryption of several units of a computerized system, wherein each of the units comprises data, includes generating distinct initialization vectors, or IVs, for the units, and storing the generated IVs; and for each unit of the several units: accessing a stored IV corresponding to the unit; and encrypting the unit according to the accessed IV and an encryption key. | 2015-10-29 |