| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 01/06/2011 | US20110002417 Time-balanced multiplexer switching methods and apparatus |
| 01/06/2011 | US20110002416 Method of communicating for smart utility network using tv white space and apparatus for the same |
| 01/06/2011 | US20110002413 Transmitter coverage identification using a continuous wave tone |
| 01/06/2011 | US20110002407 Encoding and decoding method for transmitting and estimating multiple simultaneous channels |
| 01/06/2011 | US20110002406 System and Method for Multi-cell Joint Codebook Feedback in Wireless Communications Systems |
| 01/06/2011 | US20110002405 Transmitter quieting during spectrum sensing |
| 01/06/2011 | US20110002404 Rotating reference codebook that is used in a multiple-input multiple-output (mimo) communication system |
| 01/06/2011 | US20110002403 Method and Apparatus for Positioning an FFT-Window in an OFDM-Receiver |
| 01/06/2011 | US20110002402 Data Transmission |
| 01/06/2011 | US20110002401 Random access channel constructing method and equipment for wireless communication system |
| 01/06/2011 | US20110002263 Beamforming using base and differential codebooks |
| 01/06/2011 | CA2760730A1 Adaptive filter |
| 01/05/2011 | EP2271043A2 Method and apparatus for providing channel state information in a MIMO system |
| 01/05/2011 | EP2271042A2 Method and apparatus for transmitting in a multi-antenna communication system |
| 01/05/2011 | EP2271041A2 Method and apparatus for generating pilot signals in a MIMO system |
| 01/05/2011 | EP2271040A1 Detection of Doppler shift |
| 01/05/2011 | EP2271031A1 Channel, quality indicator for time, frequency and spatial channel in terrestrial radio access network |
| 01/05/2011 | EP2271020A2 Method and apparatus for preamble design for multicarrier transmission over channels with multiple inputs and outputs |
| 01/05/2011 | EP2271013A2 Network device |
| 01/05/2011 | EP2271011A1 Wireless communication system and transmitter used for the same |
| 01/05/2011 | EP2271010A1 Wireless communication system, transmitter apparatus, receiver apparatus, and communication method |
| 01/05/2011 | EP2270992A1 Method and system for providing short block length low density parity check (LDPC) codes. |
| 01/05/2011 | EP2269411A1 Methods and arrangements for downlink multi-carrier power control in a wireless communications system |
| 01/05/2011 | EP2269356A1 An improved dual carrier modulation precoding |
| 01/05/2011 | EP2269355A1 Apparatus and methods for tile and assignment processing |
| 01/05/2011 | EP2269354A2 An efficient multi-band communication system |
| 01/05/2011 | EP2269353A1 A method for accelerating the precoding and pre-decoding of symbols in ofdm systems |
| 01/05/2011 | EP2269352A1 Techniques for multiple-subcarrier joint precoding |
| 01/05/2011 | EP2269351A1 Tetra dmo range extension |
| 01/05/2011 | EP2269314A1 Apparatus and methods for update of symbol information |
| 01/05/2011 | EP1897312B1 Method and apparatus for reducing the interferences between a wide band device and a narrow band interferer |
| 01/05/2011 | EP1662684B1 Transmitter apparatus, receiver apparatus, transmitting method, receiving method, and program |
| 01/05/2011 | EP1456959B1 Joint demodulation using a viterbi equalizer having an adaptive total number of states |
| 01/05/2011 | EP1378079B1 Communication system for underwater use |
| 01/05/2011 | EP1269670B1 Transmission of stationary signals in quiescent mode |
| 01/05/2011 | CN201699741U Simultaneous double-channel FFSK of same and different frequency synchronizing decode circuits of transmitter-receiver |
| 01/05/2011 | CN201699701U 隧洞移动无线通信系统 Tunnel mobile radio communication system |
| 01/05/2011 | CN201699690U On-site collecting and wireless transmitting portable device for supporting a plurality of data |
| 01/05/2011 | CN201699684U Frequency synthesizer of full-band multi-band orthogonal frequency division multiplexing ultra wideband radio frequency transceiver |
| 01/05/2011 | CN1909526B Method and device for suppressing noise |
| 01/05/2011 | CN1848831B Apparatus and method for receiving in-phase and orthogonal signal |
| 01/05/2011 | CN1838657B Control method and radio apparatus utilizing the same |
| 01/05/2011 | CN1780272B Path merge and related method |
| 01/05/2011 | CN1581765B Method for processing an OFDM signal |
| 01/05/2011 | CN101940044A System and method for burst separation and extended interleaving length |
| 01/05/2011 | CN101939961A Multiplexing over I and Q branches |
| 01/05/2011 | CN101939960A A method for compensating signal distortion in an emitting payload |
| 01/05/2011 | CN101939959A Physical broadcast channel (PBCH) transmission for reliable detection of antenna configuration |
| 01/05/2011 | CN101939958A Micro-controller with fsk modem |
| 01/05/2011 | CN101939944A Distributed virtual resource block allocation for OFDMA |
| 01/05/2011 | CN101938835A Resource allocation method in distributed-type multiple input multiple output (MIMO) orthogonal frequency division multiplexing system |
| 01/05/2011 | CN101938712A Multi-service multiplexing method and device in long-term evolution system |
| 01/05/2011 | CN101938698A Method and device for bearing transmission blocks of multicasting channels |
| 01/05/2011 | CN101938518A Data link layer protocol of low voltage power line spread-frequency communication |
| 01/05/2011 | CN101938450A Method and device for measuring SNR of high-order QAM |
| 01/05/2011 | CN101938449A Error rate estimation-based OFDM pilot frequency adaptive inserting method |
| 01/05/2011 | CN101938448A CFR (Crest Factor Reduction) processing method and device with automatic carrier tracking function and communication system |
| 01/05/2011 | CN101938447A Apparatus and method for transmitting preamble in a wireless communication system |
| 01/05/2011 | CN101938446A Estimating method for channel delay and cyclic prefix (CP) averaging method in OFDM receiver |
| 01/05/2011 | CN101938445A Estimation and compensation method for IQ imbalance |
| 01/05/2011 | CN101938444A Method and device for estimating and correcting frequency offset of orthogonal frequency division multiplexing system |
| 01/05/2011 | CN101938443A Method for obtaining frequency offset and relevant device thereof |
| 01/05/2011 | CN101938442A Pre-detection base operational method of DFT (Discrete Fourier Transform) processor, mixed base operational method and system |
| 01/05/2011 | CN101938441A Synchronization sequence sending and receiving methods for realizing synchronous access and corresponding device |
| 01/05/2011 | CN101938440A Detection method and device of random access signals of OFDM (Orthogonal Frequency Division Multiplexing) system |
| 01/05/2011 | CN101938439A Method and device for transmitting multiplex data in mobile multimedia broadcast system |
| 01/05/2011 | CN101938438A Optical signal generating and receiving methods and devices and optical transmission system |
| 01/05/2011 | CN101938437A Single antenna interference cancellation (SAIC) capability recognizing method and device |
| 01/05/2011 | CN101938435A Time bias estimation device and method for orthogonal frequency division multiplexing system |
| 01/05/2011 | CN101938346A Orthogonal frequency division multiplexing-based power line broadband network system |
| 01/05/2011 | CN101938327A Digital demodulation device |
| 01/05/2011 | CN101938315A Method and system for estimating carrier interference noise ratio |
| 01/05/2011 | CN101938294A Same-frequency multi-cell channel estimation method, device and system |
| 01/05/2011 | CN101938283A Multi-carrier interference eliminating circuit and a signal receiving and transmitting system using same |
| 01/05/2011 | CN101937423A Streamline FFT/IFFT processing system |
| 01/05/2011 | CN101540855B Video apparatus and operation method of video display apparatus |
| 01/05/2011 | CN101282564B Method and terminal for estimating channel quality indication in TDD system |
| 01/05/2011 | CN101217818B A ranging code detecting method of base station receiver |
| 01/05/2011 | CN101102296B Method for realizing data flow multiplexing and multi-carrier communication system |
| 01/05/2011 | CN101043269B I-Q quadrature modulation transmitter and its device and method for monitoring I-Q phase deviation |
| 01/04/2011 | USRE42021 Equalizer performance enhancements for broadband wireless applications |
| 01/04/2011 | US7865144 Determination of carrier and symbol frequencies in a signal |
| 01/04/2011 | US7864903 Multi-antenna reception apparatus, multi-antenna reception method, multi-antenna transmission apparatus and multi-antenna communication system |
| 01/04/2011 | US7864900 Communication system for sending and receiving digital data |
| 01/04/2011 | US7864898 Systems and methods for signal acquistion in navigational satellite signal receivers |
| 01/04/2011 | US7864897 MIMO multiplexing communication system and a signal separation method |
| 01/04/2011 | US7864896 Apparatus and method for generating log likelihood ratio in multiple-input multiple-output communication system |
| 01/04/2011 | US7864894 Receiver circuit and receiving method |
| 01/04/2011 | US7864893 Decoder with soft decision combining |
| 01/04/2011 | US7864892 Control method and apparatus for receiving optical signal |
| 01/04/2011 | US7864891 Method and apparatus for acquiring a frequency burst in a radio communication device |
| 01/04/2011 | US7864889 Method and system for establishing an adaptable offset for a receiver |
| 01/04/2011 | US7864888 Transmission mode/guard length detection circuit and method therefor |
| 01/04/2011 | US7864886 Phase calculation apparatus using binary search |
| 01/04/2011 | US7864883 Method and apparatus for modulating digital signal using equilateral triangular constellation |
| 01/04/2011 | US7864882 Method and apparatus for generating constant envelope modulation using a quadrature transmitter |
| 01/04/2011 | US7864880 Blind synchronization and demodulation |
| 01/04/2011 | US7864876 Differential space-time block coding apparatus using eight or less transmit antennas |
| 01/04/2011 | US7864875 Apparatus, and associated method, for communicating a data block in a multi carrier modulation communication scheme together with an identification sequence superimposed thereon |
| 01/04/2011 | US7864874 OFDM communications system employing crest factor reduction with ISI control |