Patents for H04L 27 - Modulated-carrier systems (89,721)
05/2013
05/16/2013WO2013071156A1 Dynamic receiver switching
05/16/2013WO2013070994A1 Method and apparatus for frequency offset estimation
05/16/2013WO2013070991A1 Initial acquisition and neighbor search algorithms for wireless networks
05/16/2013WO2013070985A1 Mapping signals from a virtual frequency band to physical frequency bands
05/16/2013WO2013070837A1 Method and apparatus for soft buffer management for harq operation with carrier aggregation
05/16/2013WO2013070745A1 Enhanced adaptive gain control in heterogeneous networks
05/16/2013WO2013070549A1 Methods and apparatus for mitigating known interference
05/16/2013WO2013070548A1 Tunable rf return path filter with automatic channel plan detection
05/16/2013WO2013070144A1 A method and apparatus for signaling demodulation reference signals
05/16/2013WO2013070020A1 Method and device for decoding signal in wireless communication system
05/16/2013WO2013069956A1 Method and device for obtaining and receiving control information in wireless communication system
05/16/2013WO2013069272A1 Transmitting method, receiving method, transmitter and receiver
05/16/2013WO2013068928A1 Multi-stage timing and frequency synchronization
05/16/2013WO2013068916A1 Codebook sub-sampling for frequency-selective precoding feedback
05/16/2013WO2013028038A3 Communication system using wireless power
05/16/2013US20130121444 Driver circuit for driving a power amplifier
05/16/2013US20130121443 Quadrature modulator balancing system
05/16/2013US20130121442 Method and apparatus for mapping quadrature amplitude modulation symbol
05/16/2013US20130121430 Feeder link configurations to support layered modulation for digital signals
05/16/2013US20130121429 Data transfer system, data transfer method, receiving circuit, and receiving method
05/16/2013US20130121399 Timing and Time Information Extraction in a Radio Controlled Clock Receiver
05/16/2013US20130121398 Timing and Time Information Extraction from a Phase Modulated Signal in a Radio Controlled Clock Receiver
05/16/2013US20130121396 Decision feedback equalizer having programmable taps
05/16/2013US20130121394 Communication terminals and methods for controlling a receiver of a communication terminal
05/16/2013US20130121393 Channel estimation with decision feedback
05/16/2013US20130121392 OFDM Receiver With Time Domain Channel Estimation
05/16/2013US20130121387 Method And Apparatus For Eliminating The Effects Of Fequency Offsets In A Digital Communication System
05/16/2013US20130121379 Heterogeneous Pilots
05/16/2013US20130121350 Overlay Modulation of COFDM Using Phase and Amplitude Offset Carriers
05/16/2013US20130121279 Method and apparatus for transmitting aperiodic sounding reference signal in wireless communication system
05/16/2013US20130121251 Method for searching pilot signals to synchronize a cdma receiver with an associated transmitter
05/16/2013US20130121200 Multi-carrier communications with adaptive cluster configuration and switching
05/16/2013US20130121199 Multi-carrier communications with adaptive cluster configuration and switching
05/16/2013US20130121131 Systems and method for orthogonal frequency divisional multiplexing
05/16/2013US20130121129 Radio communication device and constellation control method
05/16/2013DE102005021518B4 Präambelgenerator für ein Multiband-OFDM- Sende-Empfangs-Gerät und Verfahren zum Erzeugen einer Präambel für ein Multiband-OFDM- Sende-Empfangs-Gerät Preamble for a multi-band OFDM transmitting and receiving apparatus and method for generating a preamble for a multi-band OFDM transceiver device
05/15/2013EP2592804A1 Method and apparatus for achieving flexible bandwidth using variable guard bands
05/15/2013EP2592801A1 Wireless communication receiver with phase noise estimation and phase noise compensation performed after channel estimation and related wireless communication receiving method
05/15/2013EP2592779A2 Method for transmitting and receiving control information through PDCCH
05/15/2013EP2592776A1 Method and apparatus for transmitting control information
05/15/2013EP2592773A1 Improved diversity fo rotated constellations with time-frequency slicing
05/15/2013EP2592772A1 Improved time diversity for rotated constellations
05/15/2013EP2592767A1 Optical receiver and optical transmission system
05/15/2013EP2592750A1 Power series digital predistorter and control method thereof
05/15/2013EP2591636A1 Method and apparatus for receiving physical uplink control channel in lte system
05/15/2013EP2591582A1 Cyclic shift delays in multi-user packets with resolvable very high throughput long training fields (vhtltfs)
05/15/2013EP2591581A1 Method and device for data processing in an optical communication network
05/15/2013EP2591569A1 Efficient signaling of discontinuous transmission
05/15/2013CN103109571A Close-loop power transmission calibration
05/15/2013CN103109566A Efficient handover/scanning trigger method in a broadband wireless access system supporting a multicarrier
05/15/2013CN103109506A Method in which a group of terminals receives a downlink control channel, and method in which the terminals make requests for bandwidth in a wireless communication system in which the same stid or c-rnti is allocated to the group of terminals
05/15/2013CN103109488A Method and apparatus for transmitting control information
05/15/2013CN103109487A Method and apparatus for transmitting control information
05/15/2013CN103109486A Method and device for transmitting control information
05/15/2013CN103109484A Method and apparatus for transmitting a plurality of pieces of receipt acknowledgement information in a wireless communication system
05/15/2013CN103109476A Passive optical communication method, system, and optical line terminal
05/15/2013CN103107972A Quadrature amplitude modulation (QAM) demodulation method
05/15/2013CN103107971A Phase factor preferred pair method for reducing PAPR of OFDM signal
05/15/2013CN103107970A Communication system based on compressed sensing
05/15/2013CN103107969A Incremental iterative time-varying channel evaluation and inter carrier interference (ICI) elimination method of fast orthogonal frequency division multiplexing (OFDM) system
05/15/2013CN103107968A Wireless communication receiver,wireless communication receiving method and phase noise compensation method
05/15/2013CN103107962A Method, device and system on chip (SOC) of obtaining and handling estimated value of sending signal
05/15/2013CN103107851A Device and method for signal sending and device and method for signal receiving
05/15/2013CN102169176B Observation signal processing apparatus
05/15/2013CN102045832B High-speed burst demodulation synchronizing device
05/15/2013CN102037479B Rfid transponder
05/15/2013CN102025663B Estimation method and device of orthogonal frequency division multiplexing (OFDM) synchronous position
05/15/2013CN101861705B Method for emitting and receiving a signal in a multi-antenna system, and corresponding emitter and receiver
05/15/2013CN101841506B Multi-antenna wireless communication system and transmitting method thereof
05/15/2013CN101809887B Transmitting spread signal in communication system
05/15/2013CN101783691B Frequency deviation estimation method and receiving terminal in time division-synchronization code division multiple access (TD-SCDMA)
05/15/2013CN101778067B Physical layer preamble and pilot-based channel equalization method and system
05/15/2013CN101521824B Robust signal transmissions in digital television broadcasting
05/15/2013CN101518006B System and method for applying frequency domain spreading to multi-carrier communications signals
05/15/2013CN101426169B Time-domain tracking filter quickly detecting acoustic response parameter of sounding body and system
05/14/2013US8442165 Method and apparatus for estimating Doppler frequency in a mobile terminal
05/14/2013US8442164 Correlation peak location
05/14/2013US8442163 List-viterbi hard iterative decoder for multilevel codes
05/14/2013US8442162 Method for QR-MLD demodulation
05/14/2013US8442161 Estimation of sample clock frequency offset using error vector magnitude
05/14/2013US8442160 Adaptive time-filtering for channel estimation in OFDM system
05/14/2013US8442159 Multi-protocol communications receiver with shared analog front-end
05/14/2013US8442158 Method for digital wireless communications
05/14/2013US8442153 Transmission circuit
05/14/2013US8442152 Spatio-temporal processing for communication
05/14/2013US8442151 Method and apparatus for transmitting reference signal in multiple antenna system
05/14/2013US8442148 Method for optimizing signals with multiple subcarriers
05/14/2013US8442146 Apparatus and methods for reducing channel estimation noise in a wireless transceiver
05/14/2013US8442137 System and method for reducing peak-to-average power ratio for multi-carrier communication systems
05/14/2013US8442135 Process and apparatus for performing initial carrier frequency offset in an OFDM communication system
05/14/2013US8442134 Post DFT/FFT time tracking algorithm for OFDM receivers
05/14/2013US8442133 Apparatus and method for transmitting coexistence beacon protocol packet in cognitive radio wireless communication system
05/14/2013US8442129 Direct generation of discrete fourier transforms of time-shifted Zadoff-Chu sequences
05/14/2013US8442106 Floating-tap decision feedback equalizer for communication channels with severe reflection
05/14/2013US8442103 Method and system for processing a signal in a communication system
05/14/2013US8442096 Low I/O bandwidth method and system for implementing detection and identification of scrambling codes
05/14/2013US8441969 Low complexity beamforming for multiple antenna systems
05/14/2013US8441918 System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
05/14/2013US8441917 OFDM system and method employing OFDM symbols with known or information-containing prefixes
05/14/2013US8441525 Method for synchronizing remote device