Patents for H04L 27 - Modulated-carrier systems (89,721)
05/2013
05/08/2013CN101394213B Multi-antenna communication method for time division duplexing mode frequency division multiplexing system
05/08/2013CN101385299B Method and system for scheduling users based on user-determined ranks in a mimo system
05/08/2013CN101383802B Synchronous signal sequence sending method and device
05/08/2013CN101321039B Information transmission method
05/08/2013CN101305574B Tone hopping in the uplink of a sectorized OFDM system
05/08/2013CN101247208B Descending multi-user association space division multiplex signal transmitting and receiving method
05/08/2013CN101208917B Efficient support for TDD beamforming via constrained hopping and on-demand pilot
05/08/2013CN101171818B Transmission methods and apparatus combining pulse modulation and hierarchical modulation
05/08/2013CN101146083B OFDM receiver and OFDM signal receiving method
05/08/2013CN101120563B Transmitter device and method for transmitting packet data units in communication system
05/07/2013US8437438 Diversity reception device
05/07/2013US8437435 Correlation computation method, device and system
05/07/2013US8437434 Multi-stream maximum-likelihood demodulation based on bitwise constellation partitioning
05/07/2013US8437432 Receiver for use in an ultra-wideband communication system
05/07/2013US8437431 Sequential decoder fast incorrect path elimination method and apparatus for pseudo-orthogonal coding
05/07/2013US8437428 Digital frequency locked delay line
05/07/2013US8437426 Receiving apparatus, receiving method, and program
05/07/2013US8437423 Transmission device
05/07/2013US8437420 Multiple output discrete digital transmitter
05/07/2013US8437417 Method and apparatus for performing baseband equalization in symbol modulated communications
05/07/2013US8437416 Coordinated cyclic shift and sequence hopping for Zadoff-Chu, modified Zadoff-Chu, and block-wise spreading sequences
05/07/2013US8437415 Estimating frequency offset at a subscriber station receiver
05/07/2013US8437413 Method for transmitting codeword
05/07/2013US8437412 Method and apparatus for eliminating frequency-domain interference signals
05/07/2013US8437382 Multicarrier transmission system with low power sleep mode and rapid-on capability
05/07/2013US8437372 Method of processing traffic information and digital broadcast system
05/07/2013US8437314 Radio frequency architecture for spectrum access networks
05/02/2013WO2013063575A1 Carrier frequency offset compensation in beamforming systems
05/02/2013WO2013063574A1 Data unit format signalling for wireless local area networks (wlans)
05/02/2013WO2013063565A1 Linear system for link training
05/02/2013WO2013063500A2 Clock and data recovery for nfc transceivers
05/02/2013WO2013063434A1 Direct digital synthesis of signals using maximum likelihood bit-stream encoding
05/02/2013WO2013062720A1 Power detection of individual carriers of a multiple-carrier wideband signal
05/02/2013WO2013062396A1 Method and apparatus for transmitting control information through uplink
05/02/2013WO2013062377A1 Search process for physical downlink control channels in a communication system
05/02/2013WO2013062374A1 Method of monitoring control channel and wireless device using same
05/02/2013WO2013062357A2 Method for allowing terminal to perform random access step in wireless communication system and device therefor
05/02/2013WO2013062319A2 Method for transmitting and receiving signals and device for same
05/02/2013WO2013062281A1 Method and apparatus for control channel decoding in multi-node system
05/02/2013WO2013062052A1 Radiographic display system, radiographic display device, radiographic imaging device, program, radiograph display method, and recording medium
05/02/2013WO2013061520A1 Multilevel amplitude modulation device, multilevel amplitude demodulation device, transmission system using same devices, multilevel amplitude modulation method and multilevel amplitude demodulation method
05/02/2013WO2013061292A1 A communication system for managing leased line network with wireless fallback
05/02/2013WO2013061211A1 A communication system for managing leased line network and a method thereof
05/02/2013WO2013060600A1 A data retransmission request device, a data transmitter, and a data retransmission method for multi-tone systems
05/02/2013WO2013060571A1 Hierarchical and adaptive multi-carrier digital modulation and demodulation
05/02/2013WO2013036048A3 Communication system with modulation classifier and method of operation thereof
05/02/2013WO2013022261A3 Extension of physical downlink control channels in a communication system
05/02/2013WO2012178153A3 Bi-phase communication demodulation methods and apparatus
05/02/2013WO2012126429A3 Method and device for correcting frequency offset
05/02/2013US20130107995 System and method for single chain search with a multiple chain receiver
05/02/2013US20130107992 Phase detection in digital communication receivers
05/02/2013US20130107991 Fast Cross-Pole Corrector
05/02/2013US20130107990 Data unit format for multi-user in long-range wireless local area networks (wlans)
05/02/2013US20130107988 Ultra-low power super-regenerative receiver and method thereof
05/02/2013US20130107987 Method and apparatus for receiver adaptive phase clocked low power serial link
05/02/2013US20130107986 Method and apparatus for improving transmission of data on a bandwidth expanded channel
05/02/2013US20130107984 Method and system for controlling the peak-to-average power ratio of orthogonal frequency-domain signals
05/02/2013US20130107983 Communication apparatus and communication method
05/02/2013US20130107982 Communication apparatus and communication method
05/02/2013US20130107980 Integrated circuit system and memory system
05/02/2013US20130107979 Method and apparatus for improving transmission on a bandwidth mismatched channel
05/02/2013US20130107978 Split Varactor Array with Improved Matching and Varactor Switching Scheme
05/02/2013US20130107976 Communication device and communication system
05/02/2013US20130107974 Communications system using beamforming
05/02/2013US20130107935 Receiver with decision feedback equalizer
05/02/2013US20130107934 Receiver Calibration Using Offset-Data Error Rates
05/02/2013US20130107931 Method and circuit for transmitting data
05/02/2013US20130107922 Constellation detection in a multi-mode qam communications system
05/02/2013US20130107919 Frequency shift keying modulation and demodulation
05/02/2013US20130107915 Low-complexity, rank extendable, codebook design and method for supporting precoding matrix feedback for multi-user and single-user mimo systems
05/02/2013US20130107769 Average frequency control of switcher for envelope tracking
05/02/2013US20130107733 User-focusing technique for wireless communication systems
05/02/2013CA2853417A1 A communication system for managing leased line network with wireless fallback
05/02/2013CA2853017A1 A communication system for managing leased line network and a method thereof
05/01/2013EP2587754A1 Hierarchical And Adaptive Multi-Carrier Digital Modulation And Demodulation
05/01/2013EP2587753A1 Component transmitter, transmission stage, transceiver, method for a transmission stage and computer program
05/01/2013EP2587752A1 Method for exchanging data in a transport system and vehicle control system using positive and negative half-waves of an alterning signal for transmitting the data
05/01/2013EP2587709A1 Frame and data pattern structure for multi-carrier systems
05/01/2013EP2587704A2 Method and device for determining precoding information for uplink multi-antenna transmission
05/01/2013EP2587703A1 A data retransmission request device, a data transmitter, and a data retransmission method for multi-tone systems
05/01/2013EP2587702A1 A data retransmission request device, a data transmitter, and a data retransmission method for multi-tone systems
05/01/2013EP2586229A2 Enabling white space networks independent of low-threshold sensing
05/01/2013EP2586168A1 Method of determining precoding matrix and corresponding communication methods and devices
05/01/2013EP2586167A1 Optimized patterns of demodulation reference signals
05/01/2013EP2586166A1 Method for the phase modulation of a carrier signal transmitted from a transmitter to a contactless transponder, and device for implementing same
05/01/2013EP2180648B2 Apparatus and method for transmitting and receiving a signal
05/01/2013CN202918327U Automatic classification system for digital modulation signal
05/01/2013CN1703044B Data transmission method and apparatus
05/01/2013CN103081561A Method and apparatus for receiving physical uplink control channel in LTE system
05/01/2013CN103081429A Receiver and receiving method for hierarchical modulation in single frequency networks
05/01/2013CN103081428A Inserting and decoding replicated data symbols in wireless communications
05/01/2013CN103081427A Guard interval signaling for data symbol number determination
05/01/2013CN103081426A Channel-adaptive likelihood determination
05/01/2013CN103081425A Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction
05/01/2013CN103081424A Communication network and method for operating a communication network
05/01/2013CN103081423A Systems and methods for frequency domain realization of non-integer fractionally spaced time domain equalization
05/01/2013CN103081422A Adaptation circuitry and methods for decision feedback equalizers
05/01/2013CN103081393A Techniques for transmitting control channel information
05/01/2013CN103079277A Resource scheduling and distributing method and system in orthogonal frequency division multiplexing system
05/01/2013CN103079073A Method for distributing resources for scalable videos in orthogonal frequency division multiple access system