| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 05/25/2011 | EP2324610A1 Downscaling system bandwidth |
| 05/25/2011 | EP2324609A1 High-efficiency preambles for communications systems over pseudo-stationary communication channels |
| 05/25/2011 | EP2324592A1 Method and apparatus for control channel allocation in geran using the concept of orthogonal sub channels |
| 05/25/2011 | EP2324589A1 Broadcast and multicast in single frequency networks using othrogonal space-time codes |
| 05/25/2011 | EP2324587A2 Symbol mapping apparatus and method |
| 05/25/2011 | EP2239904B1 Apparatus and method for transmitting and receiving a signal |
| 05/25/2011 | EP2186279B1 High dynamic range ask demodulator for use in an rfid transponder |
| 05/25/2011 | EP2039100B1 Preamble structure and acquisition for a wireless communication system |
| 05/25/2011 | CN201846354U Matrix single-frequency multi-transmission wireless transmitter |
| 05/25/2011 | CN201846353U Signal modulation circuit and demodulation circuit of digital track circuit |
| 05/25/2011 | CN1815917B Transmission apparatus and method for MIMO system |
| 05/25/2011 | CN1780174B The first and second steps series iterative method for area searching in time divided duplexing system |
| 05/25/2011 | CN1717889B Transmit diversity processing for a multi-antenna communication system |
| 05/25/2011 | CN1713627B Receiver for a wireless communication system |
| 05/25/2011 | CN1557082B Computational circuits and methods for processing modulated signals having non-constant envelopes |
| 05/25/2011 | CN102077631A Interference mitigation by transmitting on a second, lower, power level |
| 05/25/2011 | CN102077538A Iq-imbalance compensation in presence of carrier offset |
| 05/25/2011 | CN102077537A Method and apparatus for detection of orthogonal frequency division multiplexing (ofdm) signals by cognitive radios |
| 05/25/2011 | CN102077536A Methods and systems for reducing papr of an OFDM signal |
| 05/25/2011 | CN102077535A Unsynchronized signaling in radio systems using frequency domain processing |
| 05/25/2011 | CN102077534A Apparatus, methods, and computer program products providing an indication of cyclic prefix length |
| 05/25/2011 | CN102077533A System and method for ubiquitous appliance control |
| 05/25/2011 | CN102077462A Pre-distortion method and device to enhance power utility of power amplifiers in wireless digital communication applications |
| 05/25/2011 | CN102075948A Method and system for transmitting reference signs under generalized cell system structure |
| 05/25/2011 | CN102075868A Multimedia broadcast multicast service (MBMS) data forwarding and transmitting method, device and system |
| 05/25/2011 | CN102075823A Data transmission method for orthogonal frequency division multiplexing passive optical network and optical network units |
| 05/25/2011 | CN102075489A Method and system for carrier recovery for QAM |
| 05/25/2011 | CN102075488A Quadrature modulator and semiconductor integrated circuit with it built-in |
| 05/25/2011 | CN102075487A Multidimensional constellation mapping based coding and modulating method, demodulating and decoding method and system |
| 05/25/2011 | CN102075486A Synchronized method of orthogonal frequency division multiplexing (OFDM) system |
| 05/25/2011 | CN102075485A Sampling clock synchronization method for orthogonal frequency division multiplexing (OFDM) system |
| 05/25/2011 | CN102075484A Method and device for reducing peak-to-average power ratio of signal |
| 05/25/2011 | CN102075483A Method for reducing peak to average power ratio of OFDM signal |
| 05/25/2011 | CN102075482A Method and device for estimating channels in MIMO-OFDM (Multiple Input Multiple Output- Orthogonal Frequency Division Multiplexing) system |
| 05/25/2011 | CN102075481A Method and device for eliminating interferences among subcarriers of OFDM system |
| 05/25/2011 | CN102075480A Method and system for generating frame synchronization sequences for digital information transmission |
| 05/25/2011 | CN102075479A Method and system for realizing space division multiplexing of multi-carrier-wave high speed downlink packet access |
| 05/25/2011 | CN102075478A Signal processing method, equipment and system for passive optical network (PON) |
| 05/25/2011 | CN102075477A Frequency deviation compensation method and device |
| 05/25/2011 | CN102075476A Iteration carrier synchronization method used under condition of extremely low signal to noise ratio |
| 05/25/2011 | CN102075475A Combined tracking method for timing deviation and sampling frequency offset |
| 05/25/2011 | CN102075474A Channel state tracking method based on training sequence |
| 05/25/2011 | CN102075473A Blind descrambling method and relevant device thereof and descrambling method |
| 05/25/2011 | CN102075472A Method for spreading intermediate frequency of OQPSK and despreading and demodulating spread intermediate frequency |
| 05/25/2011 | CN102075471A Gaussian filter minimum shift frequency keying-based optical wireless fusion system and method |
| 05/25/2011 | CN102075470A (Gauss) frequency shift keying ((G)FSK) digital demodulation device and method |
| 05/25/2011 | CN102075465A Method and equipment for estimating noise power |
| 05/25/2011 | CN102075461A Link quality estimation method and device and link adaptive method and device |
| 05/25/2011 | CN102075460A Frequency offset estimating method and device based on data |
| 05/25/2011 | CN102075301A Wireless communication system as well as base station and symbol sending method thereof |
| 05/25/2011 | CN102075286A Systems and methods for high rate OFDM communications |
| 05/25/2011 | CN102075236A TDD WMNs-based equipment experimental prototype |
| 05/25/2011 | CN102075233A Methods for transmitting and receiving control information and equipment |
| 05/25/2011 | CN102075222A Method for reducing peak-to-average power ratio of multiple input multiple output (MIMO) - orthogonal frequency division multiplexing (OFDM) signal for space-frequency coding |
| 05/25/2011 | CN102075210A Method and base station for detecting distance between mobile stations in orthogonal frequency division multiplexing access (OFDMA) system |
| 05/25/2011 | CN101431492B Method for timing estimation of OFDM communication system signal |
| 05/25/2011 | CN101325575B Method for implementing frame synchronization of OFDM system |
| 05/25/2011 | CN101147351B MIMO transmitting device and MIMO transmitting method |
| 05/25/2011 | CN101133615B Apparatus and method for transmitting/receiving channel quality information in a communication system |
| 05/25/2011 | CN101112004B Spread spectrum signal |
| 05/25/2011 | CN101094498B Method for sending and receiving information of searching sector in orthogonal frequency division multiplex system |
| 05/25/2011 | CN101064579B Method for detecting low-complexity globular decoding |
| 05/24/2011 | US7949360 Method and apparatus for adaptively allocating transmission power for beam-forming combined with OSTBCs in a distributed wireless communication system |
| 05/24/2011 | US7949260 Evaluation and adjustment method of optical receiver and optical communication system |
| 05/24/2011 | US7949082 Phase lock loop and method for coded waveforms |
| 05/24/2011 | US7949079 Reduced complexity viterbi decoding method and apparatus |
| 05/24/2011 | US7949078 High-precision signal detection for high-speed receiver |
| 05/24/2011 | US7949077 Response probability calculating device and method, and base station control device and communication system using the same |
| 05/24/2011 | US7949075 Data slicer circuit, demodulation stage, receiving system and method for demodulating shift key coded signals |
| 05/24/2011 | US7949074 Apparatus and method for decoding in a hierarchical, modulation system |
| 05/24/2011 | US7949073 Dual-mode system and method for receiving wireless signals |
| 05/24/2011 | US7949068 Systems and methods for transmitter diversity |
| 05/24/2011 | US7949067 Individual interleaving of data streams for MIMO transmission |
| 05/24/2011 | US7949066 Method and apparatus for providing high speed data communications in a cellular environment |
| 05/24/2011 | US7949061 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems |
| 05/24/2011 | US7949060 Method and apparatus for utilizing channel state information in a wireless communication system |
| 05/24/2011 | US7949059 Peak-to-average-power reduction of OFDM signals |
| 05/24/2011 | US7949058 Radio receiving apparatus and radio receiving method |
| 05/24/2011 | US7949057 Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof |
| 05/24/2011 | US7949037 Base station for carrier offset recovery |
| 05/24/2011 | US7948959 Linear precoding for time division duplex system |
| 05/24/2011 | US7948865 Bi-directional communication channel |
| 05/24/2011 | US7948863 Pilot pattern design for a STTD scheme in an OFDM system |
| 05/19/2011 | WO2011059419A1 Preamble identification in a mobile dtv system |
| 05/19/2011 | WO2011058896A1 Wireless communication system, communication device, communication method, and program |
| 05/19/2011 | WO2011058843A1 Amplifier, distortion compensation circuit, and distortion compensation method |
| 05/19/2011 | WO2011058197A1 An adaptive digital pre-distortion method and device to enhance the power utility of power amplifiers in wireless digital communication applications |
| 05/19/2011 | WO2011057562A1 Information transmission method and signal generation apparatus in ofdm system |
| 05/19/2011 | WO2011025303A3 Apparatus and method for transceiving signals using frame structure in wireless communication system |
| 05/19/2011 | WO2011024129A3 Joint demodulation and interference suppression using serial localization with indecision |
| 05/19/2011 | WO2011024128A3 Equalization using serial localization with indecision |
| 05/19/2011 | WO2011024127A3 Demodulation using serial localization with indecision |
| 05/19/2011 | WO2011018626A3 Wireless receiver |
| 05/19/2011 | WO2011017247A3 Ofdm transmission methods in three phase modes |
| 05/19/2011 | WO2010060640A3 Communication system, communication units, and method for employing a pilot transmission scheme |
| 05/19/2011 | US20110116582 Digital automatic gain control |
| 05/19/2011 | US20110116581 Communication system, reception device, and communication method |
| 05/19/2011 | US20110116580 Data translation system and method |
| 05/19/2011 | US20110116579 Method and System for Utilizing Tone Grouping With Givens Rotations to Reduce Overhead Associated With Explicit Feedback Information |
| 05/19/2011 | US20110116576 Method and apparatus for generating and receiving modulated radio waves |