Patents for H04L 27 - Modulated-carrier systems (89,721) |
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09/15/2011 | US20110222627 Method and apparatus for codebook exchange in a multiple access wireless communication system |
09/15/2011 | US20110222626 Retransmission apparatus and method |
09/15/2011 | US20110222625 Method and apparatus for sharing channel state information (csi) in a multiple-user multiple-input multiple-output (mu-mimo) environment |
09/15/2011 | US20110222624 Methods and Apparatuses for Multiple Access in a Wireless Communication Network using DCT-OFDM |
09/15/2011 | US20110222623 Communication Interface With Configurable Encoding Based on Channel Termination |
09/15/2011 | US20110222617 Method for performing wireless switching |
09/15/2011 | US20110222616 MIMO Transmission with Rank Adaptation for Multi-Gigabit 60 GHz Wireless |
09/15/2011 | US20110222615 Methods and apparatus for reducing uplink multi-base station interference |
09/15/2011 | US20110222614 Power efficient communications |
09/15/2011 | US20110222613 Power efficient communications |
09/15/2011 | US20110222612 Method for determining signal phase rotation of sub-channels within a transmission bandwidth |
09/15/2011 | US20110222594 Methods and Circuits for Asymmetric Distribution of Channel Equalization Between Devices |
09/15/2011 | US20110222593 Channel equalizer and method of processing broadcast signal in receiving system |
09/15/2011 | US20110222590 System and method for pilot tone assisted selected mapping |
09/15/2011 | US20110222495 Multi-Carrier Communications With Adaptive Cluster Configuration and Switching |
09/15/2011 | US20110222455 Method and apparatus for enhancing high data rate uplink operations |
09/15/2011 | US20110222420 Multi-Carrier Communications With Adaptive Cluster Configuration and Switching |
09/15/2011 | DE102005007349B4 Verfahren und Vorrichtung zur Frequenzkorrektur in Wireless-Local-Area-Network-Systemen Method and apparatus for frequency correction in wireless local area network systems |
09/15/2011 | CA2793034A1 Frequency-dependent iq imbalance estimation |
09/14/2011 | EP2365725A2 Cellular wireless LAN with frequency division multiplex in TV white space |
09/14/2011 | EP2365707A1 Method for transferring signalling information, transmission station and mobile station |
09/14/2011 | EP2365671A2 Communication System utilizing a hierarchically Modulated Signal and Method Thereof |
09/14/2011 | EP2365656A1 Virtual MIMO communication system |
09/14/2011 | EP2364533A1 Method and apparatus for transmitting and receiving fec frame headers with variable header modulation |
09/14/2011 | EP2127156B1 Method for generating downlink frame, and method for searching cell |
09/14/2011 | EP2122864B1 Method for generating downlink frame, and method for searching cell |
09/14/2011 | EP1721486B1 Cellular radiotelephone signal permitting synchronisation of a supplementary channel by means of a principal channel and corresponding method, terminal and base station |
09/14/2011 | EP1526668B1 Multi-carrier transmitting apparatus |
09/14/2011 | CN201976135U 一种精确估计ics直放站信号时延的装置 An accurate estimate ics repeater signal delay means |
09/14/2011 | CN1993957B Chanel management using preamble containing frequencyuse information |
09/14/2011 | CN1954496B Wireless communication method and apparatus for performing post-detection constellation correction |
09/14/2011 | CN1855903B Semiconductor integrated circuit for communication and portable communication terminal |
09/14/2011 | CN1833365B Apparatus and method for transmitter phase shift compensation |
09/14/2011 | CN1739272B A fully parallel multi-channel demodulator |
09/14/2011 | CN102187634A Method and apparatus for generating a preamble for use in cable transmission systems |
09/14/2011 | CN102187632A Method and apparatus for supporting multiple reference signals in ofdma communication systems |
09/14/2011 | CN102187631A Multiple-frame offset between neighbor cells to enhance the GERAN signaling performance when power control for signaling is in use |
09/14/2011 | CN102187607A Wireless communication base station device and division number determination method |
09/14/2011 | CN102186213A Uplink wireless resource management method based on isomeric relay wireless network framework |
09/14/2011 | CN102186197A Method and device for detecting modulation type of EDGE communication system |
09/14/2011 | CN102185824A Carrier phase correction method applied to high-order quadrature amplitude modulation (QAM) |
09/14/2011 | CN102185823A Sub-carrier remaining method for reducing peak-to-average power ratio and bit error rate in combined way |
09/14/2011 | CN102185822A OFDM/OQAM (Orthogonal Frequency Division Multiplexing/Offset Quadrature Amplitude Modulation) system and time frequency synchronization method thereof |
09/14/2011 | CN102185821A Cognitive-radio-based anti-interference multi-carrier broadband communication system |
09/14/2011 | CN102185820A Unscented-Kalman-transformation-based orthogonal frequency division multiplexing (OFDM) frequency offset estimation method |
09/14/2011 | CN102185819A OFDM (Orthogonal Frequency Division Multiplexing) time synchronization algorithm based on conjugate symmetric sequence |
09/14/2011 | CN102185818A Method for capturing and tracking spectrum spreading codes in broadcast positioning system |
09/14/2011 | CN102185817A Method and device for transmitting information from reader-writer to label |
09/14/2011 | CN102185816A Noncoherent differential phase shift keying (DPSK) communication signal chaotic oscillator detector and construction method |
09/14/2011 | CN102185815A Code position and phase position keying modulation communication method |
09/14/2011 | CN102185814A Method and device for automatically compensating bias voltage of QPSK (quadri phase shift keying) lithium niobate modulator |
09/14/2011 | CN102185813A Method and system for realizing wireless communication in complicated and narrow electromagnetic environment |
09/14/2011 | CN102185811A Carrier frequency estimation method |
09/14/2011 | CN102185810A Process for obtaining notches in the transmission of signals over the electricity network |
09/14/2011 | CN102185806A Fully blind channel estimation method and system for OFDM (orthogonal frequency division multiplexing) arbitrary constellation diagram |
09/14/2011 | CN102185688A Multi-symbol detecting and symbol synchronizing method based on CPM (critical path method) modulation |
09/14/2011 | CN102185675A Modulation mapping method for bit-interleaved coded modulation (BICM)-identification (ID) system based on low density parity check code (LDPC) coding |
09/14/2011 | CN102185674A Receiver for wireless communication network with extended range |
09/14/2011 | CN102183764A Intermediate frequency digital processing method of S-mode interrogation signal |
09/14/2011 | CN101605120B Method and device for decoding iterated internal code and evaluating channel for orthogonal frequency division multiplexing system |
09/14/2011 | CN101605009B Carrier mode detecting system for digital ground multimedia broadcast |
09/14/2011 | CN101527602B Optical fiber transceiver module and plastic optical fiber communication system |
09/14/2011 | CN101442381B Method for transmitting and receiving business, relevant apparatus and system |
09/14/2011 | CN101426283B Data transmission method for time division duplexing system |
09/14/2011 | CN101369881B Multi-carrier digital frequency-selection system and its signal processing method |
09/14/2011 | CN101310500B Rake receiver with variable bandwidth in order to minimize guard bands and method for the receiver |
09/14/2011 | CN101286758B Method and apparatus to determine delay of uplink channel |
09/14/2011 | CN101277286B Estimation of integer carrier frequency offset of digital radio standard receiver in the world |
09/14/2011 | CN101193085B Method, system and device for realizing multimedia broadcast service |
09/14/2011 | CN101184079B Frequency domain carrier channel estimation method and device |
09/14/2011 | CN101150766B Transmitting device using multi-carrier transmission system and receiving device |
09/14/2011 | CN101127745B A chancel estimation method and device |
09/14/2011 | CN101056133B Multi-antenna transmission diversity method and device of orthogonal frequency division multiplexing system |
09/14/2011 | CN101047682B Transmission power spectrum density shaping method of digital customer vine transciever |
09/14/2011 | CN101039136B Space-frequency coding-based multi-antenna transmitter diversity method and system thereof |
09/13/2011 | US8019369 Method and apparatus for transient frequency distortion compensation |
09/13/2011 | US8019027 Digital broadcasting receiver |
09/13/2011 | US8019024 Method of approximating log-likelihood ratios in QAM digital transmissions and relative QAM soft-output de-mapper |
09/13/2011 | US8019023 Low-complexity scalable architecture for concatenation-assisted symbol-level combining |
09/13/2011 | US8019022 Jitter-tolerance-enhanced CDR using a GDCO-based phase detector |
09/13/2011 | US8019021 Carrier to interference and noise ratio (CINR) estimating method and device using preamble in orthogonal frequency division multiplexing (OFDM) |
09/13/2011 | US8019020 Binary decoding for correlated input information |
09/13/2011 | US8019017 Method for receiving control information in orthogonal frequency division multiplexing system of mobile communication system |
09/13/2011 | US8019016 System and method of transmit beam selection |
09/13/2011 | US8019010 OFDM transmitter and method for multi-user MIMO transmissions |
09/13/2011 | US8019009 Equalizer circuit |
09/13/2011 | US8019008 Base station apparatus, communication terminal apparatus, communication system, and communication method |
09/13/2011 | US8019005 Data communication system, data decoding apparatus and method therefor |
09/13/2011 | US8018978 Method of processing traffic information and digital broadcast system |
09/13/2011 | US8018977 Method of processing traffic information and digital broadcast system |
09/13/2011 | US8018976 Method of processing traffic information and digital broadcast system |
09/13/2011 | US8018975 Method and system for performing synchronization in OFDM systems |
09/13/2011 | US8018914 Radio communication device, demodulation method, and frequency deflection correction circuit |
09/13/2011 | US8018907 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
09/13/2011 | US8018832 Packet generation systems and methods |
09/13/2011 | US8018295 Modulation device and pulse wave generation device |
09/13/2011 | CA2551756C Multiple differential demodulator using weighting value |
09/09/2011 | WO2011109269A1 Systems and associated methods to reduce signal field symbol peak-to-average power ratio (papr) |
09/09/2011 | WO2011106819A1 A method for channel equalization using a basis expansion model |
09/09/2011 | WO2011106818A1 A method for estimating basis expansion model coefficients of an ofdm transmission channel |