36th week of 2014 patent applcation highlights part 24 |
Patent application number | Title | Published |
20140247816 | METHOD AND DEVICE FOR RECEIVING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM - The present invention relates to a wireless communication system. Particularly, the present invention pertains to a method for receiving a PDCCH signal in a wireless communication system and a device therefor, and the method comprises: receiving a subframe that includes a PDCCH search space, monitoring a plurality of PDCCH candidates in the PDCCH search space, and performing an operation according to a PDCCH signal if the PDCCH signal indicated to the UE is detected, wherein if the subframe is a first subframe, the PDCCH search space is configured in a first time domain of the subframe, if the subframe is a second subframe, the PDCCH search space is configured in a second time domain of the subframe, and the first time domain and the second time domain are multiplexed at the subframe by time division multiplexing (TDM). | 2014-09-04 |
20140247817 | SCHEDULING METHOD IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR - The present invention provides a scheduling method in a wireless personal area network (WPAN) system and a device therefor. Specifically, a method for allocating a guaranteed time slot (GTS) in a WPNA system comprises the steps of: receiving a GTS request command for requesting periodic GTS allocation from a device; and transmitting a beacon frame which includes periodic GTS allocation information to the device, wherein a GTS allocation interval is determined by GTS interval information included in the GTS request command, and an allocated periodic GTS expires if data or an acknowledgement (ACK) frame is not transmitted from the device within a section determined by the GTS allocation interval. | 2014-09-04 |
20140247818 | BEAMFORMING - The embodiments herein relate to a method in a transmitter for transmitting a data burst to a receiver in a system supporting GSM and/or EGPRS. The transmitter is arranged to make its transmissions with or without beamforming. The transmitter comprises at least two Tx antennas. When the data burst is beamformed, the transmitter transmits the data burst to the receiver through at least one of the at least two Tx antennas. The data burst comprises a common training sequence. When the data burst is non-beamformed, the transmitter transmits the data burst to the receiver through each of the at least two Tx antennas. The data burst comprises a respective antenna specific training sequence. | 2014-09-04 |
20140247819 | Autonomous Adaptation of Discovery Packet Transmission Frequency - According to one or more embodiments of the present disclosure, a method for autonomously adapting a discovery packet (DP) transmission frequency comprises: calculating, by an electronic processor of a device of a plurality of devices in a system, a DP transmission cycle “N”, wherein the calculating further comprises: broadcasting, by the device, its own observed device number in a DP; decoding, by the electronic processor of the device, an observed device number from DPs of each detectable device of the plurality of devices in the system; computing, by the electronic processor of the device, a final observed device number for the system wherein the final observed device number is a maximum (“M”) of its own observed device number and all decoded observed device numbers from DPs of the detectable devices; and based on the computed maximum (“M”), determining, by the electronic processor of the device, the DP transmission cycle “N”. | 2014-09-04 |
20140247820 | METHOD AND SYSTEM FOR SELECTIVE ATTENUATION OF PREAMBLE RECEPTION IN CO-LOCATED WI FI ACCESS POINTS - A method and system for attenuating a received preamble in an IEEE | 2014-09-04 |
20140247821 | TRANSMISSION CONTROL METHOD, NODE, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM - Each of the nodes counts the number of other nodes located in a communication area of the node among nodes in a multi-hop network, and determines the number of times to retransmit a frame based on the counted number of the other nodes. Each of the nodes transmits a frame to a destination node, and repeats retransmission of the frame the determined number of times until receiving a response to the transmitted frame. Subsequently, each of the nodes changes a route to the destination node to another route when it does not receive the response after repeating the retransmissions the determined number of times. | 2014-09-04 |
20140247822 | DYNAMIC RANGE WIRELESS COMMUNICATIONS ACCESS POINT - The claimed subject matter provides for systems and/or methods for a dynamic range wireless access point to initiate deliberate and/or selective communications with one or more wireless devices over a short range radio path. One embodiment of an access point system comprises a processor that transfers one or more wireless devices to a long range radio path once a transition condition has been met. In another embodiment, an access point system may affect transactions between user/customer's smart devices and a commercial place of business where the access point system and the smart devices initiate communications when the smart devices are deliberately placed within the proximity of the access point antenna and/or the smart devices are brought within the vicinity of the access point antenna such as by passing through the entrance or exit to the place of business. | 2014-09-04 |
20140247823 | TELECOMMUNICATION SYSTEM FOR AUTOMATICALLY LOCATING BY NETWORK CONNECTION AND SELECTIVELY DELIVERING CALLS TO MOBILE CLIENT DEVICES - A communication system for an organization having multiple sites uses a dual-mode device capable of both cell phone communication and telephone communication on a local area network (LAN). IP LANS are established at organization sites such that a temporary IP address is assigned to a dual-mode device that logs onto an organization LAN, and the IP address is associated at a PSTN-connected server on the LAN with the cell phone number of the communication device. The IP server notifies a PSTN-connected routing server when a device logs on to a LAN, and also provides a destination number for the IP server. Cell calls directed to the device are then redirected to the IP server and directed to the device connected to the LAN. | 2014-09-04 |
20140247824 | METHOD AND DEVICE FOR PROCESSING UPLINK SIGNAL IN WLAN SYSTEM - Provided are a method and device for processing an uplink (UL) signal in a WLAN system. An access point (AP) receives a request to send (RTS) frame from one station (STA) among a plurality of STAs, transmits a group identifier (ID) of a group to which STAs for performing UL multi user multiple-input multiple-output (MU-MIMO) transmission together with the one STA, among group IDs of a group to which the one STA belongs, and receives UL signals from the STAs which perform the UL MU-MIMO transmission such that the received UL signals are processed. | 2014-09-04 |
20140247825 | Switching Fabric for Embedded Reconfigurable Computing - An output switch fabric is disclosed that comprises an interleaved plurality of multiplexers for switching channels between first and second busses. The busses run in tracks that form a grid pattern. The interleaving of the multiplexers is arranged according to the grid pattern for the busses. | 2014-09-04 |
20140247826 | FABRIC CARD AND COMMUNICATIONS DEVICE - A fabric card and a communications device. The fabric card includes at least one fabric card chip and at least two fabric card connector groups, where each fabric card connector group of the at least two fabric card connector groups includes at least two fabric card connectors, the number of fabric card chips is less than the number of at least two fabric card connector groups, each fabric card chip of the at least one fabric card chip connects to all fabric card connectors in at least one fabric card connector group, all fabric card connectors in the fabric card connector group that connect to the fabric card chip exchange data using the fabric card chip. This fully utilizes an exchange capability of the fabric card chip and saves system resources. | 2014-09-04 |
20140247827 | Path Computation Element Protocol Support for Large-Scale Concurrent Path Computation - A system for a global concurrent path computation in a communication network is disclosed. The system includes a path computation element communication protocol, wherein the protocol includes an indicator field indicating the global concurrent path computation, a global objective function field providing an overarching objective function, a global constraint field specifying at least one global constraint, a global concurrent vector field specifying at least one path computation request, and another indicator field indicating an outcome of a path computation request. | 2014-09-04 |
20140247828 | BROADCASTING SIGNAL TRANSMITTER/RECEIVER AND BROADCASTING SIGNAL TRANSMISSION/RECEPTION METHOD - A broadcasting signal reception method according to the present invention comprises the following steps: OFDM-demodulating by receiving a plurality of broadcasting signals, which contain a transmission frame for transmitting a broadcasting service; outputting the transmission frame by decoding a plurality of OFDM-demodulated broadcasting signals with at least one method among MIMO, MISO, and SISO; and selectively decoding a plurality of PLP's, which are included in the transmission frame, using signaling information included in the transmission frame. In particular, PSI/SI such as PAT/PMT can be transmitted through an arbitrary PLP among the plurality of PLP's; and in the transmitter, an arbitrary PLP, which transmits the PAT/PMP, can be decoded first to enable a search of all PLP's that transmit components included in a single broadcasting service, and a plurality of PLP's can be decoded selectively. | 2014-09-04 |
20140247829 | SYSTEMS AND METHODS FOR SYNCHRONIZING FORWARDING DATABASES ACROSS MULTIPLE INTERCONNECTED LAYER-2 SWITCHES - A method and a multi-switch architecture include learning a media access control (MAC) address at a first switch in a multi-switch architecture; storing the MAC address in a forwarding database of the first switch; transmitting a data frame to one or more switches in the multi-switch architecture via inter-switch connectivity between the first switch and the one or more switches, wherein the data frame is created to enable the one or more switches to learn the MAC address therefrom; learning the MAC address from the data frame at the one or more switches; and storing the MAC address in a forwarding database for each of the one or more switches. This further includes transmitting the data frame via ports and queues in the inter-switch connectivity that are separate from ports and queues in a data path between the first switch and the one or more switches to avoid data path interference. | 2014-09-04 |
20140247830 | METHOD AND SYSTEM FOR SUPPORTING TRANSPORT OF DATA PACKETS IN A NETWORK - A method for supporting transport of data packets in a network, wherein the data packets are transmitted from a source node to a destination node by employing a tunnel from a first tunnel endpoint to a second tunnel endpoint, wherein a tunnel header is added to the data packets at the first tunnel endpoint, wherein the data packets are transmitted between the tunnel endpoints via a network domain that includes one or more intermediate nodes functioning as transport network, and wherein the intermediate nodes forward the data packets, is characterized in that the tunnel is provided in the form of a virtual tunnel by removing the tunnel header from the data packets where the data packets enter the network domain and adding back the tunnel header to the data packets where the data packets exit the network domain. A corresponding system for supporting transport of data packets is disclosed. | 2014-09-04 |
20140247831 | Method for Transmitting Messages in a Communication Network - A method is disclosed for transmitting messages in a communications network with at least three communications nodes. At least one communications node always remains active and stores messages sent by a second communications node. If the second communications node switches to an idle state, the caching node is informed thereof by means of a sleep-event and takes over the sending of the messages for this node. By means of a wake-up event, the caching node obtains information that the second node has switched back into the active state and ceases sending the stored messages. Further nodes, which likewise can switch to the idle state at any time and possibly not receive messages sent by the second node during their own idle phase, thus do not notice anything about the idle state of the second node and operate on the assumption of an up-to-date status in the network at all times. | 2014-09-04 |
20140247832 | Responding to dynamically-connected transport requests - A method for communication, includes allocating, in a network interface controller (NIC) a single dynamically-connected (DC) initiator context for serving requests from an initiator process running on the initiator host to transmit data to multiple target processes running on one or more target nodes. The NIC transmits a first connect packet directed to a first target process and referencing the DC initiator context so as to open a first dynamic connection with the first target process. The NIC receives over the packet network, in response to the first connect packet, a first acknowledgment packet containing a first session identifier (ID). Following receipt of the first acknowledgment packet, the NIC transmits one or more first data packets containing the first session ID over the first dynamic connection from the NIC to the first target process. Dynamic connections with other target processes may subsequently be handled in similar fashion. | 2014-09-04 |
20140247833 | PRIORITIZATION OF DATA PACKETS - A method of operating a telecommunications node ( | 2014-09-04 |
20140247834 | INCREASED BANDWIDTH ENCODING SCHEME - Embodiments of various methods, devices and systems are described herein that correspond to an encoding scheme that can be used with various communication protocols for increased bandwidth over a single wire bus or a wireless single transmission channel. For example, a method of encoding a series of data bits to increase bandwidth may comprise selecting a data bit in the series of data bits, generating an inverted version of the selected data bit, positioning the inverted version of the selected data bit in a consecutive fashion with respect to the selected data bit to signify an edge of a clock signal, and transmitting the inverted version of the selected data bit and the series of data bits with each bit being transmitted in a single unique time slot. | 2014-09-04 |
20140247835 | SYSTEM AND METHOD FOR MODIFYING, IN A PROCESSING PIPELINE, A LENGTH OF A DATA PACKET IN A DATA BLOCK WITHOUT MODIFYING A LENGTH OF THE DATA BLOCK - A system including a receiver and a processing pipeline. The receiver is configured to generate a data block by encapsulating a data packet in a header portion and a tail portion that do not include valid information bits. The processing pipeline is configured to, in a first processing stage, store the data block, and store, separately from the data block, additional information associated with the data block. The processing pipeline is further configured to, without modifying a length of the data block, either add bits to the header portion or the tail portion to increase the length of the data packet or subtract bits from the data packet to decrease the length of the data packet, and modify the additional information in accordance with the bits added to the header portion or the tail portion or the bits subtracted from the data packet. | 2014-09-04 |
20140247836 | METHOD AND APPARATUS FOR REDUCING REDUNDANT TRAFFIC IN COMMUNICATION NETWORKS - A capability is provided for reducing or even eliminating redundant traffic in cellular wireless networks. A method is provided for encoding a target packet in a manner for reducing redundancy of information in the target packet. The method includes identifying a region of the target packet that matches a region of a stored packet, removing, from the target packet, the identified region of the target packet from the target packet, and inserting, within the target packet, an encoding key comprising a hash of the stored packet. A method is provided for reconstructing a packet from an encoded packet that is encoded in a manner for reducing redundancy of information in a network. The method includes identifying an encoding key within the encoded packet, wherein the encoding key comprises a hash of a stored packet, retrieving the stored packet using the hash of the stored packet, removing the encoding key from the encoded packet, and inserting information from the stored packet within the encoded packet. | 2014-09-04 |
20140247837 | METHOD FOR PROCESSING A DATA PACKET - The invention relates to a method for processing at least one data packet ( | 2014-09-04 |
20140247838 | METHOD AND APPARATUS FOR INDICATING A FRAME TYPE USING A PREAMBLE - Disclosed are a method and an apparatus for indicating a frame type using a physical layer convergence protocol header. A method for determining a frame type using a PLCP header may comprise: a step of demodulating a frame type contained in an SIG of the PLCP header so as to acquire information indicating a physical service data unit (PSDU) of a frame; and a step of acquiring frame information required for demodulating the frame contained in the SIG dependently on the information indicating PSDU. Thus, unnecessary information may not be additionally demodulated to thereby improve demodulation efficiency and reduce unnecessary power consumption. | 2014-09-04 |
20140247839 | TIME SYNCHRONIZATION IN DISTRIBUTED NETWORK TESTING EQUIPMENT - The invention relates to time synchronization between network testing elements in distributed network monitoring and testing systems, and provides a method for synchronizing packet timestamps generated by a network probe with a free running clock to a master clock connected at a different location of the network. In one implementation, the probe eavesdrops on a PTP message exchange between the master and a remote slave device, recording message reception times according to it free running clock and transmitting relevant timing information to a rest server for determining the probe clock offset and updating the probe packet timestamps. | 2014-09-04 |
20140247840 | Method for Tuning a Tunable Optical Transmitter in an Optical WDM Transmission System and Corresponding Optical WDM Transmission System - The invention relates to an optical WDM transmission system including a plurality of first optical transceivers ( | 2014-09-04 |
20140247841 | VCSEL Pumped Fiber Optic Gain Systems - Optical pump modules comprising VCSEL and VCSEL array devices provide high optical power for configuring fiber optic gain systems such as fiber laser and fiber amplifier particularly suited for high power operation. Pump modules may be constructed using two reflector or three reflector VCSEL devices optionally integrated with microlens arrays and other optical components, to couple high power pump beams to a fiber output port. The pump module having a fiber output port is particularly suited to couple light to an inner cladding of a double-clad fiber, often used to configure high power fiber laser and fiber amplifier. The pump modules may be operated in CW, QCW and pulse modes to configure fiber lasers and amplifiers using single end, dual end, and regenerative optical pumping modes. Multiple-pumps may be combined to increase pump power in a modular fashion without significant distortion to signal, particularly for short pulse operation. | 2014-09-04 |
20140247842 | MODE-LOCKED OPTICALLY PUMPED SEMICONDUCTOR LASER - A laser includes an optically pumped semiconductor OPS gain-structure. The apparatus has a laser-resonator which includes a mode-locking device for causing the laser to deliver mode-locked pulses. The resonator has a total length selected such that the mode-locked pulses are delivered at a pulse repetition frequency less than 150 MHz. An optical arrangement within the resonator provides that radiation circulating in the resonator makes a plurality of incidences on the OPS gain-structure with a time less than the excited-state lifetime of the gain-structure between successive incidences. | 2014-09-04 |
20140247843 | METHOD AND ARRANGEMENT FOR ACTUATING A WAVELENGTH-TUNABLE LASER DIODE IN A SPECTROMETER - Method in which, in order to actuate a wavelength-tunable laser diode in a spectrometer, a power-time function is predetermined instead of a current-time function, wherein the laser diode is tuned periodically over a wavelength range in accordance with the power-time function. For this purpose, a current profile (i) with which the laser diode is actuated is determined from the power-time function and measured values of the voltage (u) present at the laser diode. | 2014-09-04 |
20140247844 | WAVELENGTH TUNABLE SEMICONDUCTOR LASER HAVING TWO DIFRACTIVE GRATING AREAS - A semiconductor laser has a first diffractive grating area. The first diffractive grating area has a plurality of segments. Each segment has a first area including a diffractive grating and a second area that is space area combined to the first area. Optical lengths of at least two of the second areas are different from each other. A refractive-index of each of the segments are changeable. | 2014-09-04 |
20140247845 | Laser Device and Method for Generating Laser Light - The invention refers to a laser device comprising a plurality of linear resonator tubes ( | 2014-09-04 |
20140247846 | Low Inductance Laser Diode Bar Mount - The laser mount arrangement can have a laser bar and a driver positioned adjacent to one another and secured against a connection face of a heat sink base. The heat sink base is connected to and forms a first electrical connection between the laser bar and the driver. A second electrical connection is also provided between the laser bar and the driver opposite the heat sink base, which can be in the form of a flexible metal sheet with a narrow upward fold. This arrangement can provide a low inductance path for the current. | 2014-09-04 |
20140247847 | LASER SYSTEM - A laser system comprising a laser configured to generate a laser beam, a power supply arranged to provide a drive power to the laser, a photodetector arranged to detect the power of the laser beam and provide a detection signal from the power of the laser beam and a feedback loop arranged to form a feedback signal by subtracting a target signal from the detection signal wherein the feedback signal has a high bandwidth, amplify the feedback signal and adjust the drive power according to the amplified feedback signal, thereby reducing noise in the laser beam. | 2014-09-04 |
20140247848 | BROADENING THE RARE EARTH ION EMISSION BANDWIDTH, INCREASING EMISSION CROSS SECTION, AND OR SHIFTING PEAK EMISSION WAVELENGTH IN ND DOPED ALUMINATE OR SILICATE GLASSES - The invention relates to a Nd-doped, aluminate-based or silicate-based, laser glass having a peak emission wavelength that is longer than 1059.7 nm, an emission cross section (σ | 2014-09-04 |
20140247849 | METHOD OF PRODUCING NEAR-FIELD LIGHT DEVICE, AND NEAR-FIELD LIGHT DEVICE - A method for producing a near-field optical device is provided with: a step for forming a near-field light generation unit ( | 2014-09-04 |
20140247850 | MULTIQUANTUM WELL STRUCTURES FOR SUPPRESSION OF ELECTRON LEAKAGE AND REDUCTION OF THRESHOLD-CURRENT DENSITY IN QUANTUM CASCADE LASERS - Semiconductor structures for laser devices are provided. The semiconductor structures have a quantum cascade laser structure comprising an electron injector, an active region, and an electron extractor. The active region comprises an injection barrier, a multiquantum well structure, and an exit barrier. The multiquantum well structure can comprise a first barrier, a first quantum well, a second barrier, a second quantum well, and a third barrier. The energies of the first and second barrier are less than the energy of the third barrier. The energy difference between the energy of the second barrier and the energy of the third barrier can be greater than 150 meV and the ratio of the energy of the third barrier to the energy of the second barrier can be greater than 1.26. | 2014-09-04 |
20140247851 | QUANTUM CASCADE LASER - A quantum cascade laser includes a substrate having first, second, third, and fourth regions; a stacked semiconductor layer including n-type lower and upper conductive layers, a core layer having a mesa structure, and a cladding layer; first and second buried layers disposed on side surfaces of the core layer and above the substrate; a first electrode disposed on the upper conductive layer above the first region; and a second electrode disposed on the lower conductive layer above the fourth region. The core layer is disposed on the lower conductive layer above the second region. The upper conductive layer is disposed on the first buried layer and the core layer. The cladding layer is disposed on the upper conductive layer above the second region, The substrate and the cladding layer are formed of an undoped or semi-insulating semiconductor. The first and second buried layers are formed of a semi-insulating semiconductor. | 2014-09-04 |
20140247852 | END-FACE-EMITTING PHOTONIC CRYSTAL LASER ELEMENT - When an end-face-emitting photonic crystal laser element | 2014-09-04 |
20140247853 | COMPOSITE SEMICONDUCTOR LIGHT SOURCE PUMPED BY A SPONTANEOUS LIGHT EMITTER - A composite light source includes a substrate having a top surface, and a first vertical light source formed in the substrate. The first light source includes least a lower mirror, a first active region above the lower mirror, wherein the first active region has a thickness sufficient when electrically pumped to emit predominantly a spontaneous vertical emission from the first active region towards the top surface having an angular range of at least (≧) 30°. A second light source is formed in the substrate above the first active region including a second active region. The spontaneous vertical emission is at a first wavelength λ | 2014-09-04 |
20140247854 | High-Power, Phase-Locked, Laser Arrays - High-power, phased-locked, laser arrays as disclosed herein utilize a system of optical elements that may be external to the laser oscillator array. Such an external optical system may achieve mutually coherent operation of all the emitters in a laser array, and coherent combination of the output of all the lasers in the array into a single beam. Such an “external gain harness” system may include: an optical lens/mirror system that mixes the output of all the emitters in the array; a holographic optical element that combines the output of all the lasers in the array, and an output coupler that selects a single path for the combined output and also selects a common operating frequency for all the coupled gain regions. | 2014-09-04 |
20140247855 | LASING DEVICE - Upon starting the lasing device after having a stop state, gas retaining in the gas circulation path and the optical resonator is released through the gas release valve opened by the gas pressure controller. During a time calculated by the open-time calculator in response to the immediately preceding stop time of the lasing device, laser medium gas in the piping between the laser medium gas supply device and the gas supply valve is released, together with the retaining gas, through the gas supply valve opened by the gas pressure controller. The structure reduces costs by using decreased number of valves and suppresses consumption of laser medium gas. | 2014-09-04 |
20140247856 | SLAG-SUPPLYING CONTAINER FOR USE IN ELECTRIC FURNACE FOR REDUCTION PROCESSING OF STEEL-MAKING SLAG - This slag-supplying container of an electric furnace for reduction processing of steel-making slag includes: a container body that causes hot steel-making slag to flow to the electric furnace; a slag discharging portion connected with an electric-furnace-side slag-supplying port; a slag receiving portion that receives the hot steel-making slag supplied; a lid that opens and closes the slag receiving portion; an exhausting portion that discharges exhaust gas from the electric furnace; and, a tilting unit that tilts the container body to adjust the amount of inflow of the hot steel-making slag to the electric-furnace-side slag-supplying port. | 2014-09-04 |
20140247857 | System and Method for Measuring Thermal Reliability of Multi-Chip Modules - Embodiments are provided herein for testing multichip module (MCM) thermal reliability. An embodiment method includes selecting a chip with higher thermal risk from a plurality of chips in the MCM, and measuring a plurality of predetermined temperature parameters associated with the selected chip. A thermal resistance is then calculated using the predetermined temperature parameters. The thermal resistance is used to determine a thermal performance of the MCM. The predetermined temperature parameters include a junction temperature of the selected chip and at least one of a case temperature above the selected chip, a board temperature below the selected chip, and an ambient air temperature. | 2014-09-04 |
20140247858 | SUBSTRATE FOR SENSING BATTERY CELL - Provided is a substrate for sensing voltage and temperature of battery cells, and more particularly, a substrate for sensing battery cells firmly fixed to the battery cells by a clip coupling method and easily detached and attached therefrom. | 2014-09-04 |
20140247859 | SEMICONDUCTOR PACKAGE AND METHOD OF ESTIMATING SURFACE TEMPERATURE OF SEMICONDUCTOR DEVICE INCLUDING THE SAME - A semiconductor package includes a first package including a first substrate and a first semiconductor chip mounted on the first substrate and a second package facing and spaced apart from the first package. The second package includes a second substrate on which a second semiconductor chip is mounted. The semiconductor package also includes a connection structure electrically connecting the first and second packages to each other, a first temperature sensor connected to the first substrate, a second temperature sensor connected to the first semiconductor chip, and a third temperature sensor connected to the second semiconductor chip. | 2014-09-04 |
20140247860 | CODEBOOK AND CODEBOOK SEARCH - Briefly, in accordance with one or more embodiments, a codebook used to provide a precoding matrix indicator and/or channel state information comprises one or more rank-1 codewords and at least one or more rank-2 codewords exhibiting a nesting property with the rank-1 codewords, and one or more rank-2 codewords not exhibiting a nesting property with the rank-1 codewords. Further, the rank-1 codewords may include at least some Discrete Fourier Transform (DFT) vectors, and at least some vectors that are optimized for a cross polarize array of antennas if the array of antennas is cross polarized. The codebook may be utilized for single-user multiple-input, multiple-output (SU-MIMO) or multi-user multiple-input, multiple-output (MU-MIMO). | 2014-09-04 |
20140247861 | FRACTIONAL SYMBOL BASED PHASE NOISE MITIGATION - Fractional symbol based phase noise mitigation, including methods and systems to determine phase noise trajectory, or indication of phase noise, for each of multiple fractional portions of a frequency domain symbol, and modify the symbol based on the phase noise trajectories of the subsets. Multiple correction hypotheses may be generated for each fractional portion of the symbol based on pre-defined phase noise hypotheses. The correction hypotheses may include frequency domain correction hypotheses. The correction hypotheses for a subset may be evaluated to select one of the phase noise hypotheses as the trajectory for the subset. The evaluation may include applying each correction hypothesis to a corresponding equalized frequency domain symbol to generate corresponding symbol hypotheses, computing a signal quality for each symbol hypothesis, and comparing the signal qualities. Signal qualities may be determined as error vector magnitudes, and may be based on all or a subset of corresponding symbol tones. | 2014-09-04 |
20140247862 | SENDING AND RECEIVING SYSTEM, METHOD OF SENDING AND RECEIVING, AND RECEIVING APPARATUS - A sending and receiving system include a sending apparatus that performs a serial communication and includes a sending unit that sends a signal having a predetermined pattern; and a receiving apparatus that performs the serial communication and includes a receiving unit that provides the signal sent from the sending unit with an equalizing process depending on a setup value of an equalizer amount, a sampling unit that samples data obtained in the equalizing process by the receiving unit at a data rate higher than a data rate of the data, and a control unit that controls the setup value of the equalizer amount based on a change of the data corresponding to the predetermined pattern. | 2014-09-04 |
20140247863 | Co-Channel Dual Polarized Microwave Device and Method for Receiving Receive Signal - Embodiments of the present invention disclose a co-channel dual polarized microwave device and a method. Frame synchronization is performed on a first receive signal processed by cross polarization interference cancellation and phase noise immunization is performed on the first receive signal processed by frame synchronization. Frame synchronization is performed on a second receive signal not processed by cross polarization interference cancellation and phase noise immunization is performed on the second receive signal processed by frame synchronization. The first receive signal processed by phase noise immunization and the second receive signal processed by phase noise immunization are selectively received according to a frame synchronization state signal and a signal quality signal. Delay alignment is performed on a selectively received signal according to the frame synchronization state signal to implement lossless switching in a selective receiving process. | 2014-09-04 |
20140247864 | OPTIMIZED CONTENT DELIVERY - Data (e.g., images, video, data fields, character strings, logos, etc.) may be analyzed to identify common elements and differentiating elements, and the elements may be respectively transmitted using different streams. For example, if two devices are receiving two video images that are nearly the same, a first data stream comprising the one or more identified common elements may be sent to them both, a second data stream comprising a portion of the one or more identified differentiating elements may be transmitted to the first device, and a third data stream comprising a different portion of the one or more identified differentiating elements may be transmitted to the second device. | 2014-09-04 |
20140247865 | VIDEO ENCODING METHOD AND APPARATUS, VIDEO DECODING METHOD AND APPARATUS, AND PROGRAM THEREFOR - A generated bit amount of filter coefficients of an adaptive interpolation filter is reduced. A video encoding apparatus using motion compensation includes: a motion detection unit which performs motion search to acquire a motion vector; an interpolation filter coefficient deriving unit which calculates interpolation filter coefficients used for interpolation of a decimal-precision pixel using the motion vector; an interpolation unit which performs the interpolation of the decimal-precision pixel using the interpolation filter coefficients and the motion vector and performs encoding, a parameter selection unit which selects a parameter with which a generated bit amount of the interpolation filter coefficients is minimized from among a plurality of designated parameters in parameters used for entropy encoding of the interpolation filter coefficients, and an encoding processing unit which encodes the selected parameter and the calculated interpolation filter coefficients and outputs an encoded parameter and encoded interpolation filter coefficients. | 2014-09-04 |
20140247866 | METHOD FOR ENCODING IMAGE, METHOD FOR DECODING IMAGE, IMAGE ENCODER, AND IMAGE DECODER - The present invention relates to a technique for encoding and decoding an image, and a method for encoding the image, according to the present invention, comprises the steps of: performing a prediction with respect to a current block; and transforming a residual which is generated by the prediction, wherein in the step of transforming, a first transform is performed on the residual, and then a second transform is performed on a lower frequency area, and wherein a mode of the second transform can be decided on the basis of a mode of the first transform. | 2014-09-04 |
20140247867 | EFFECTIVE PREDICTION USING PARTITION CODING - The way of predicting a current block by assigning constant partition values to the partitions of a bi-partitioning of a block is quite effective, especially in case of coding sample arrays such as depth/disparity maps where the content of these sample arrays is mostly composed of plateaus or simple connected regions of similar value separated from each other by steep edges. The transmission of such constant partition values would, however, still need a considerable amount of side information which should be avoided. This side information rate may be further reduced if mean values of values of neighboring samples associated or adjoining the respective partitions are used as predictors for the constant partition values. | 2014-09-04 |
20140247868 | METHOD OF GENERATING RECONSTRUCTED BLOCK - Provided is a method that derives an intra prediction mode of a prediction unit, determines a size of a current block using transform size information, generates a prediction block of the current block according to the intra prediction mode, generating a residual block of the current block according to the intra prediction mode and generating a reconstructed block of the current block using the prediction block and the residual block. The sizes of the prediction block and the residual block are set equal to a size of a transform unit. Therefore, the distance of intra prediction becomes short, and the amount of coding bits of residual block is reduced by generating a prediction block very similar to original block. Also, the signaling bits required to signal intra prediction mode decrease by generating MPM group adaptively according to the neighboring intra prediction modes. | 2014-09-04 |
20140247869 | LAYER DECOMPOSITION IN HIERARCHICAL VDR CODING - Techniques use multiple lower bit depth codecs to provide higher bit depth, high dynamic range, images from an upstream device to a downstream device. A base layer and one or more enhancement layers may be used to carry video signals, wherein the base layer cannot be decoded and viewed on its own. Lower bit depth input image data to base layer processing may be generated from higher bit depth high dynamic range input image data via advanced quantization to minimize the volume of image data to be carried by enhancement layer video signals. The image data in the enhancement layer video signals may comprise residual values, quantization parameters, and mapping parameters based in part on a prediction method corresponding to a specific method used in the advanced quantization. Adaptive dynamic range adaptation techniques take into consideration special transition effects, such as fade-in and fade-outs, for improved coding performance. | 2014-09-04 |
20140247870 | APPARATUSES AND METHODS FOR HDR IMAGE ENCODING AND DECODNG - To allow improved high dynamic range image encoding, we describe an image encoding unit ( | 2014-09-04 |
20140247871 | ADAPTIVE PARTITION CODING - Although wedgelet-based partitioning seems to represent a better tradeoff between side information rate on the one hand and achievable variety in partitioning possibilities on the other hand, compared to contour partitioning, the ability to alleviate the constraints of the partitioning to the extent that the partitions have to be wedgelet partitions, enables applying relatively uncomplex statistical analysis onto overlaid spatially sampled texture information in order to derive a good predictor for the bi-segmentation in a depth/disparity map. Thus, in accordance with a first aspect it is exactly the increase of the freedom which alleviates the signaling overhead provided that co-located texture information in form of a picture is present. Another aspect pertains the possibility to save side information rate involved with signaling a respective coding mode supporting irregular partitioning. | 2014-09-04 |
20140247872 | EFFECTIVE WEDGELET PARTITION CODING - Wedgelet separation lines of neighboring blocks are predicted from each other by aligning the wedgelet separation lines of such neighboring blocks to each other, thereby reducing the side information coding rate that may be used. | 2014-09-04 |
20140247873 | MULTI-VIEW CODING WITH EXPLOITATION OF RENDERABLE PORTIONS - Actually rendered portions of a renderable portion of a first view of a multi-view signal are introduced into a prediction loop of a multi-view encoder to form a reference signal for the block-based prediction of the encoder's view predictor may improve the prediction and thereby increasing the coding efficiency. The introduction may be performed by completely inserting the renderable portion into the prediction loop to form new reference pictures with their own reference picture indices in addition to reference pictures obtained by the reconstructed version of the multi-view signal of the block-based prediction. Alternatively, the actually rendered portion may be introduced into the prediction loop completely, but with replacing the normal prediction reference signal, i.e. the normally reconstructed signal as obtained by block-based prediction. Alternatively, it may be signaled within the data stream which portions of the renderable portion are used to replace respective portions in the normally reconstructed signal. | 2014-09-04 |
20140247874 | IMAGE PROCESSING APPARATUS AND METHOD - The present disclosure relates to an image processing apparatus and method with which a decrease in a coding efficiency can be suppressed. | 2014-09-04 |
20140247875 | VIDEO DECODING DEVICE AND VIDEO DECODING METHOD - A parallel processing starting unit | 2014-09-04 |
20140247876 | VIDEO ENCODING DEVICE, VIDEO DECODING DEVICE, VIDEO ENCODING METHOD, AND VIDEO DECODING METHOD - A tile partitioning unit | 2014-09-04 |
20140247877 | METHOD AND APPARATUS FOR SCALABLY ENCODING AND DECODING VIDEO SIGNAL - In one embodiment, the method includes predicting at least a portion of a current image in a current layer based on at least a residual coded portion of a base image in a base layer, a reference image, shift information for samples in the predicted current image, and offset information indicating a position offset between at least one boundary pixel of the reference image and at least one boundary pixel of the current image. The residual coded portion represents difference pixel data. | 2014-09-04 |
20140247878 | CROSS-LAYER MOTION VECTOR PREDICTION - Systems, apparatus and methods are described including operations for video coding including cross-layer motion vector prediction. | 2014-09-04 |
20140247879 | Spatial Motion Vector Scaling for Scalable Video Coding - In one implementation, an apparatus is provided for encoding or decoding video information. The apparatus comprises a memory unit configured to store video information associated with a base layer and/or an enhancement layer. The apparatus further comprises a processor operationally coupled to the memory unit. In one embodiment, the processor is configured to determine a scaling factor based on spatial dimension values associated with the base and enhancement layers such that the scaling factor is constrained within a predetermined range. The processor is also configured to spatially scale an element associated with the base layer or enhancement layer using the scaling factor and a temporal motion vector scaling process. | 2014-09-04 |
20140247880 | VIDEO IMAGE CODING AND DECODING METHOD AND APPARATUS - The present invention relates to a method for coding and decoding a video signal, and provides a method for coding a video signal, including: determining space adjacent motion information of a parallel motion processing region PR; determining time adjacent motion information of a current block, where the current block is located in the parallel motion processing region PR; determining a candidate mot ion information set according to the space adjacent motion information of the parallel motion processing region PR and the time adjacent motion information of the current block; selecting motion information of the current block from the candidate motion information set, and sending a motion information indication of the current block to a decoding end, so as to assist the decoding end in determining the motion information of the current block; and performing motion compensation coding for the current block according to the motion information of the current block. | 2014-09-04 |
20140247881 | VIDEO DECODER PARALLELIZATION FOR TILES - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. | 2014-09-04 |
20140247882 | VIDEO DECODER PARALLELIZATION FOR TILES - A method for decoding video includes receiving a frame of the video that includes at least one slice and at least one tile. Each of the at least one slice and the at least one tile are not all aligned with one another. Each of the at least one slice is characterized that it is decoded independently of the other the at least one slice. Each of the at least one tile is characterized that it is a rectangular region of the frame and having coding units for the decoding arranged in a raster scan order. The at least one tile of the frame are collectively arranged in a raster scan order of the frame. | 2014-09-04 |
20140247883 | SCALABLE VIDEO ENCODING AND DECODING METHOD AND APPARATUS USING SAME - An interlayer prediction method according to the present invention comprises: a step of determining the position of a reference criteria sample corresponding to an enhancement criteria sample in a reference layer on the basis of the position of an enhancement criteria sample that belongs to an enhancement layer; a step of determining at least one reference layer block in the reference layer on the basis of the position of the reference criteria sample; and a step of predicting the current block that belongs to the enhancement layer on the basis of the movement information of said at least one reference layer block. | 2014-09-04 |
20140247884 | METHOD AND APPARATUS FOR MV SCALING WITH INCREASED EFFECTIVE SCALING RATIO - A method and apparatus for deriving a scaled MV (motion vector) for a current block based on a candidate MV associated with a candidate block are disclosed. Embodiments according to the present invention increase effective scaling factor of motion vector scaling. In one embodiment, a distance ratio of a first picture distance between a current picture and a target reference picture pointed to by a current motion vector of the current block to a second picture distance between a candidate picture corresponding to the candidate block and a candidate reference picture pointed to by the candidate MV is computed. The scaled MV is then generated based on the candidate MV according to the distance ratio, where the scaled MV has an effective scaling ratio between −m and n, and wherein m and n are positive integers greater than 4. The values of m and n can be 8, 16 or 32. | 2014-09-04 |
20140247885 | DECOUPLED SLICING AND ENCODING OF MEDIA CONTENT - A method and system for decoupling slicing and encoding of media content is described. | 2014-09-04 |
20140247886 | IMAGE DECODING METHOD AND IMAGE DECODING APPARATUS - An image decoding method of decoding units that are included in a picture is provided. The image decoding method decodes a first flag which indicates whether a removal time of encoded data from a buffer by a hypothetical decoder is set per unit. The buffer is for storing the encoded data. The image decoding method further decodes a second flag indicating whether an interval between removal times of the units is one of constant nd arbitrary when the removal times are set per unit. The image decoding method removes the encoded data from the buffer at the removal time, and decodes the removed encoded data. | 2014-09-04 |
20140247887 | JUST-IN-TIME (JIT) ENCODING FOR STREAMING MEDIA CONTENT - A method and system for just-in-time (JIT) encoding of media content is described. The JIT encoder allows a server to create one or more slices of requested portions of the media content according to one of the available quality profiles when requested without previously creating and storing different copies of the media content at the different quality profiles. | 2014-09-04 |
20140247888 | Reduced Complexity Motion Compensated Temporal Processing - A method and system for reduced complexity motion compensated temporal processing for pre-analysis purposes. The processing complexity is reduced by reducing the number of pictures processed for analysis, reducing the number of references used for analysis, and/or spatially subsampling input pictures. | 2014-09-04 |
20140247889 | Transmission And Detection Of Multi-Channel Signals In Reduced Channel Format - Embodiments of the invention are generally directed to transmission and detection of multi-channel signals in reduced channel format. An embodiment of a method for transmitting data includes determining whether a first type or a second type of content data is to be transmitted, where the first type of content data is to be transmitted at a first multiple of a base frequency and the second type of data is to be transmitted at a second multiple of the base frequency. The method further includes selecting one or more channels from a plurality of channels based on the type of content data, clocking a frequency on the first or second multiple of the base frequency according to the type of content data in the selected channels, modifying the content data to fit within a single output channel, and transmitting the modified data via a single output channel at the chosen multiple of the base frequency. | 2014-09-04 |
20140247890 | ENCODING DEVICE, ENCODING METHOD, DECODING DEVICE, AND DECODING METHOD - According to an embodiment, an encoding device includes a first encoder, a filter processor, a difference image generating unit, and a second encoder. The first encoder encodes an input image by a first encoding process to obtain first encoded data. The filter processor filters a first decoded image included in the first encoded data by cutting off a specific frequency band of frequency components to obtain a base image. The difference image generating unit generates a difference image between the input image and the base image. The second encoder encodes the difference image by a second encoding process to obtain second encoded data. | 2014-09-04 |
20140247891 | POWER LINE COMMUNICATION METHODS AND DEVICES - A power line communication method for realizing data communication between at least one first or sending power line communication partner device and at least one second or receiving power line communication partner device. The method checks transmission conditions of a plurality of possible communication channels, thereby generating transmission condition data descriptive for the communication conditions of the respective possible communication channels. Additionally, communication conditions of the plurality of possible communication channels are selected as actual communication conditions based on the transmission condition data. | 2014-09-04 |
20140247892 | Systems, Methods, and Devices for Networking Over High Impedance Cabling - Systems, methods, and processor readable media for distributing digital data and electrical power to a plurality of devices over high-impedance cables are disclosed. Certain embodiments include a gateway device connected to a power source, a first device connected to the gateway device by a cable, the cable being a high-impedance cable having at least two conductive paths, and wherein the first device receives electrical power and digital data from the gateway device via the cable over the same conductive path of the cable, a second device connected to the gateway device by the cable wherein the second device receives power and digital data from the gateway device via the cable over the same conductive path, and wherein the power source provides power to the first and second devices via the cable, and wherein the second device is connected to the gateway device through the first device via a daisy-chain topology. | 2014-09-04 |
20140247893 | COMMUNICATION SYSTEM AND COMMUNICATION DEVICE - Provided are a communication system and a communication device capable of suppressing attenuation of a communication signal superimposed upon a control pilot line. This output circuit ( | 2014-09-04 |
20140247894 | Unitary precoding based on randomized FFT matrices - Systems and methodologies are described that facilitate constructing unitary matrices that may be utilized in linear precoding for multiple-input multiple-output (MIMO) wireless communication systems. Each unitary matrix may be generated by combining (e.g., multiplying) a diagonal matrix with a Discrete Fourier Transform (DFT) matrix. The unitary matrices may be utilized to provide feedback related to a channel and/or control transmission over a channel based upon obtained feedback. | 2014-09-04 |
20140247895 | Cooperative Wireless Networks - A cooperative multi-user multiple input, multiple output (MIMO) system coordinates spatially distributed network transceiver nodes for communicating with wireless client devices. A MIMO processor pre-codes data for transmission from the network transceiver nodes, wherein the pre-coding comprises subspace coding derived from channel measurements between the network transceiver nodes and the wireless client devices. A network controller coordinates the network transceiver nodes to transmit simultaneous non-interfering channels within a common frequency to the wireless client devices such that each client device receives a subspace-coded transmission from each of the network transceiver nodes. The client devices and/or the network transceiver nodes may be selected based on channel state information and/or measured channel quality. | 2014-09-04 |
20140247896 | Low Complexity Maximum Likelihood Detection of Concatenated Space Codes for Wireless Applications - Good transmission characteristics are achieved in the presence of fading with a transmitter that employs a trellis coder followed by a block coder. Correspondingly, the receiver comprises a Viterbi decoder followed by a block decoder. Advantageously, the block coder and decoder employ time-space diversity coding which, illustratively, employs two transmitter antennas and one receiver antenna. | 2014-09-04 |
20140247897 | APPARATUS AND METHOD FOR VIRTUAL ANTENNA MAPPING IN MULTI-ANTENNA SYSTEM - An apparatus and a method for mapping virtual antennas and physical antennas in a wireless communication system. The method for mapping the virtual antennas and the physical antennas includes generating at least two virtual antenna signals for at least two virtual antennas. The method also includes generating at least two physical antenna signals by applying a corresponding matrix, which maps the at least two virtual antennas and the at least two physical antennas in many-to-many relation, to the at least two virtual antenna signals. The method further includes transmitting the at least two physical antenna signals over respective physical antennas. | 2014-09-04 |
20140247898 | OFDM COMMUNICATIONS METHODS AND APPARATUS - OFDM signal communication methods and apparatus are described. In accordance with the invention OFDM signals are generated in the time domain with symbols being mapped to specific points in time. Training symbols may be included in the transmitted OFDM signal to facilitate symbol recovery. An exemplary receiver of the invention receives the OFDM signal from the communications channel, converts it into the frequency domain, and then filters it in the frequency domain to eliminate tones corresponding to other users. The filtered signal free of MAC interference is then converted into the time domain where channel estimation and compensation operations are performed. After channel compensation symbol recovery is performed in the time domain. | 2014-09-04 |
20140247899 | TRANSMISSION SIGNAL GENERATOR, TRANSMISSION SIGNAL GENERATING METHOD, RECEPTION SIGNAL GENERATOR, AND RECEPTION SIGNAL GENERATING METHOD - Modulated signal A is transmitted from a first antenna, and modulated signal B is transmitted from a second antenna. As modulated signal B, modulated symbols S2(i) and S2(i+1) obtained from different data are transmitted at time i and time i+1 respectively. In contrast, as modulated signal A, modulated symbols S1(i) and S1(i)′ obtained by changing the signal point arrangement of the same data are transmitted at time i and time i+1 respectively. As a result the reception quality can be changed intentionally at time i and time i+1, and therefore using the demodulation result of modulated signal A of a time when the reception quality is good enables both modulated signals A and B to be demodulated with good error rate performances. | 2014-09-04 |
20140247900 | DATA RETRANSMISSION REQUEST DEVICE, A DATA TRANSMITTER, AND A DATA RETRANSMISSION METHOD FOR MULTI-TONE SYSTEMS - In a multi-tone data transmission system, data are modulated on a set of M tones for being transmitted between a transmitter and a receiver. The data retransmission request device in such system is adapted to request retransmission of a data transmission unit that is hierarchically modulated at a particular hierarchical level and that is modulated on a particular group of N tones, N being a positive integer value greater than one and smaller than or equal to M. | 2014-09-04 |
20140247901 | UNIVERSAL TRANSCEIVERS AND SUPPLEMENTARY RECEIVERS WITH SPARSE CODING TECHNIQUE OPTION - A transmitter is provided having a signal generator configured to generate a sparse code signal where the signal has a substantially small duty cycle of about 0.5% and substantially small pulse widths, with the distance between the pulses defined by the sparse code, and sufficiently low carrier signal level so that the signal can only be detected via a matched receiver. | 2014-09-04 |
20140247902 | Correction of I/Q Impairments In Transmitters and Receivers - Communication devices and associated methods for reducing I/Q impairments in signals used by the communication devices are described. A transmitter device may perform filtering (or matrix multiplication) on digital I and Q signals to pre-correct them before converting them into analog I and Q signals. The pre-correction may pre-compensate for I/Q impairments which have not been introduced yet, but which will subsequently be introduced during digital-to-analog conversion, I/Q modulation, or other processing that occurs to produce a transmission signal from the original digital I and Q signals. A receiver device may receive a transmission signal, produce digital I and Q signals from the received signal, and perform filtering on the digital I and Q signals to correct I/Q impairments at a plurality of frequency offsets. | 2014-09-04 |
20140247903 | MODULAR FREQUENCY DIVIDER WITH SWITCH CONFIGURATION TO REDUCE PARASITIC CAPACITANCE - A system comprising a first frequency divider to divide an input frequency of an input signal to generate a first signal having a first frequency and a first phase. Each of a plurality of second frequency dividers divides the input frequency of the input signal to generate a second signal having the first frequency and a second phase. A first switch includes a first end connected to a first node of the first frequency divider, and a second end connected to a second node of a first one of the plurality of second frequency dividers. A plurality of second switches include first ends connected to the second end of the first switch, and second ends respectively connected to the second nodes of the plurality of second frequency dividers other than the first one of the plurality of second frequency dividers. | 2014-09-04 |
20140247904 | Pilot Symbol Generation for Highly-Spectrally-Efficient Communications - A transmitter may be operable to generate a sequence of symbols which may comprise information symbols and one or more pilot symbols. The transmitter may transmit the information symbols at a first power and transmit the one or more pilot symbols at a second power. In instances when a particular performance indicator is below a determined threshold, the first power may be set to a first value and the second power may be set to zero value. In instances when the particular performance indicator is above the determined threshold, the first power may be set to a second value and the second power may be set to a non-zero value. A value of the first power and a value of the second power may be based on an applicable average power limit determined by a communications standard with which the transmitter is to comply. | 2014-09-04 |
20140247905 | SIGNAL PROCESSING CIRCUIT AND METHOD - A signal processing circuit for providing a modulated analog transmit signal on the basis of a digital transmit data signal is disclosed. The signal processing circuit includes one or more digital circuit components and one or more analog circuit components, and is configured to vary a bias voltage or a supply voltage of at least one of the one or more digital circuit components or at least one of the one or more analog circuit components in dependence on a detected or predefined parameter when providing the modulated analog transmit signal. The detected or predefined parameter includes a parametric or environmental condition associated with the signal processing circuit. | 2014-09-04 |
20140247906 | Microwave Predistorted Signal Generating Method and Apparatus - Embodiments of the present invention disclose a microwave predistorted signal generating method and apparatus. A microwave receiver receives a first received signal that has undergone analog-to-digital conversion; performs channel compensation on the first received signal, to obtain a second received signal; estimates a first transmitted signal according to the second received signal, where the first transmitted signal is a transmitted signal of a microwave transmitter before digital-to-analog conversion; performs predistortion coefficient computation according to the second received signal and the first transmitted signal; performs, by using a first-order coefficient obtained through the predistortion coefficient computation, linear distortion compensation on the second received signal that is before the first transmitted signal is estimated; and sends other predistortion coefficients except for the first-order coefficient to the microwave transmitter, so that the microwave transmitter performs non-linearity predistortion on a transmitted signal. | 2014-09-04 |
20140247907 | Communications Transmitter Having High-Efficiency Combination Modulator - A communications transmitter includes a combination modulator and a baseband processor configured to generate amplitude, angle, in-phase and quadrature signals. The combination modulator is configured to modulate in the quadrature domain or the polar domain, depending on an output power level of the transmitter and/or the type of modulation scheme being used. When configured to modulate in the quadrature domain, the baseband processor is configured to generate time-varying in-phase and quadrature modulating signals and time-invariant amplitude and angle signals for the combination modulator. When configured to modulate in the polar domain, the baseband processor is configured to generate time-varying amplitude and angle modulating signals and time-invariant in-phase and quadrature signals for the combination modulator. In another embodiment of the invention, the communications transmitter is configurable to operate in three different operational modes: linear, envelope tracking and switch modes. Which operational mode the communications transmitter is configured to transmit depends on the type of modulation scheme being used and/or the transmitter output power level. | 2014-09-04 |
20140247908 | BI-DIRECTIONAL RING-BUS ARCHITECTURE FOR CORDIC-BASED MATRIX INVERSION - A method and a system is provided for Coordinate Rotation Digital Computer (CORDIC) based matrix inversion of input digital signal streams from multiple antennas using an bi-directional ring-bus architecture. The bi-directional ring bus includes a first ring bus having signals flow in a clockwise direction, and a second ring bus having signals flow in a counter-clockwise direction. An I/O controller is coupled to the first and the second ring bus, respectively. A plurality of processing elements (PEs), where each of the plurality of PEs is coupled to the first and the second ring bus, respectively, wherein each of the plurality of PEs includes at least one CORDIC core for performing CORDIC iterations on the plurality of input digital stream signals to produce inversed matrix signals. | 2014-09-04 |
20140247909 | Method and Device for Decoding a Transport Block of a Communication Signal - The present invention relates to a device and method of decoding code blocks of a transport block of a communication signal using a decoder. The method comprises making an assumption about how many decoder iterations should be used for different code blocks of the code blocks of the transport block, wherein the assumption is made based on a study of code block soft-bits. The method also comprises decoding the transport block using different numbers of decoder iterations for the different code blocks, based on the made assumption about how many decoder iterations should be used for the different code blocks. | 2014-09-04 |
20140247910 | Parallel Execution of Trellis-Based Methods Using Overlapping Sub-Sequences - A receiver system and method for recovering information from a symbol data sequence Y. The symbol data sequence Y corresponds to a symbol data sequence X that is transmitted onto the channel by a transmitter. The symbol data sequence X is generated by the transmitter based on associated information bits. At the receiver, a set of two or more processors operate in parallel on two or more overlapping subsequences of the symbol data sequence Y, where each of the two or more overlapping subsequences of the symbol data sequence Y corresponds to a respective portion of a trellis. The trellis describes redundancy in the symbol data sequence Y. The action of operating in parallel generates soft estimates for the associated information bits. The soft estimates are useable to form a receive message corresponding to the associated information bits. | 2014-09-04 |
20140247911 | Partial Response Receiver And Related Method - A multi-phase partial response equalizer circuit includes sampler circuits that sample an input signal to generate sampled signals in response to sampling clock signals having different phases. A first multiplexer circuit selects one of the sampled signals as a first sampled bit to represent the input signal. A first storage circuit coupled to an output of the first multiplexer circuit stores the first sampled bit in response to a first clock signal. A second multiplexer circuit selects one of the sampled signals as a second sampled bit to represent the input signal based on the first sampled bit. A second storage circuit stores a sampled bit selected from the sampled signals in response to a second clock signal. A time period between the second storage circuit storing a sampled bit and the first storage circuit storing the first sampled bit is substantially greater than a unit interval in the input signal. | 2014-09-04 |
20140247912 | Method and Apparatus for Correcting in-Phase Signal and Quadrature-Phase Signal - The present invention discloses a method for correcting an IQ signal. includes: saving an I signal of a last frame and a Q signal of the last frame that are output by a receiving front end; eliminating a direct-current offset of an I signal of a current frame and a direct-current offset of a Q signal of the current frame according to the I signal of the last frame and the Q signal of the last frame; and geometrically correcting an I signal of the current frame after direct-current offset elimination and a Q signal of the current frame after direct-current offset elimination according to an I signal of the last frame after direct-current offset elimination and a Q signal of the last frame after direct-current offset elimination to obtain a corrected I signal of the current frame and a corrected Q signal of the current frame. | 2014-09-04 |
20140247913 | SYSTEMS AND METHODS FOR COMPRESSING PLASMA - Embodiments of systems and methods for compressing plasma are described in which plasma pressures above the breaking point of solid material can be achieved by injecting a plasma into a funnel of liquid metal in which the plasma is compressed and/or heated. | 2014-09-04 |
20140247914 | Narrow Annulus Permanent Canal Seal Plate - An improved permanent seal for a refueling canal of a nuclear power plant is disclosed and claimed. The seal includes a support structure and a membrane. The support structure includes a first annular plate with a number of ribs connected to and extending from a to surface of the support structure annular plate. The support structure is positioned atop the shield wall on the refueling canal floor, encircling and positioned near the annulus. The membrane includes a first end that is connected to the seal ledge and a second end that is connected to the refueling canal floor. The membrane has a stepped profile, with side walls extending substantially perpendicularly from a central annular plate to form a pocket configured to fit over the support structure. Loads imparted to the membrane are transferred through the support structure annular plate and ribs to the refueling canal floor. | 2014-09-04 |
20140247915 | METHOD FOR PRODUCING A WEAR-RESISTANT AND CORROSION-RESISTANT STAINLESS STEEL PART FOR A NUCLEAR REACTOR, CORRESPONDING PART AND CORRESPONDING CONTROL CLUSTER - A method for producing a wear-resistant and corrosion-resistant stainless steel part for a nuclear reactor is provided. This method comprises steps of providing a blank in stainless steel; shaping the blank; finishing the blank to form the part in stainless steel, the finishing step allowing the prevented onset or the removal of work hardness on the outer surface of the part; hardening the outer surface of the part via diffusion of one or more atomic species. | 2014-09-04 |