Patents for H04L 27 - Modulated-carrier systems (89,721) |
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11/27/2008 | CA2687773A1 Soft decision device and soft decision method |
11/27/2008 | CA2687293A1 Signal modulation method |
11/26/2008 | EP1995925A1 Orthogonal demodulation device, orthogonal demodulation method, and program orthogonal demodulation |
11/26/2008 | EP1994706A1 Method and apparatus for generating clock signals for quadrature sampling |
11/26/2008 | EP1994705A2 Digital transmitter |
11/26/2008 | EP1994704A1 Frequency tracking which adapts to timing synchronization |
11/26/2008 | EP1994703A1 Synchronization sequence with tone notching in ofdm systems |
11/26/2008 | EP1994702A1 Guard interval lenght selection in an ofdm system based on coherence bandwith of the channel |
11/26/2008 | EP1994701A1 Identification of maximum cyclic deley in an ofdm system based on coherence bandwith of the channel |
11/26/2008 | EP1994665A1 Method and apparatus for performing uplink transmission in a multiple-input multiple-output single carrier frequency division multiple access system |
11/26/2008 | EP1994663A2 Method and apparatus for initial acquisition and cell search for an ofdma system |
11/26/2008 | EP1994651A1 Mimo precoding in the presence of co-channel interference |
11/26/2008 | EP1716681B1 Channel equalization |
11/26/2008 | EP1678901B1 Frequency adjustment in combined mobile communication-positioning device |
11/26/2008 | EP1623546A4 Method and wireless device employing a preamble to initiate communications |
11/26/2008 | EP1588490A4 Robust mode staggercasting fast channel change |
11/26/2008 | EP1384312B1 Tunable voltage controlled oscillator |
11/26/2008 | EP1378100B1 Controlled modulation distortion |
11/26/2008 | EP1212876B1 Multicarrier system with dynamic switching between active application sets |
11/26/2008 | EP1115237B1 Radio digital signal receiver |
11/26/2008 | EP1087560B1 Cdma type multiple transmission apparatus and cdma type multiple transmission method |
11/26/2008 | CN101313548A Pilot structure for multicarrier transmissions |
11/26/2008 | CN101313547A Method and system for reducing peak-to-average power ratio in orthogonal frequency division multiplexed signal |
11/26/2008 | CN101313546A Automatic frequency control for a wireless communication system with multiple subcarriers |
11/26/2008 | CN101313545A Radio sending device, and radio sending method |
11/26/2008 | CN101313504A Evaluation of transmitter performance |
11/26/2008 | CN101312581A Failure carrier recovery method, system and baseband resource configuring method |
11/26/2008 | CN101312454A MIMO-OFDM synchronization method and apparatus |
11/26/2008 | CN101312447A Integral frequency bias and fine synchronization method and apparatus of receiver |
11/26/2008 | CN101312446A Phase tracking compensation process based on weighting pilot |
11/26/2008 | CN101312445A Decimal frequency bias estimation method and apparatus of receiver |
11/26/2008 | CN101312444A Method and apparatus for acquiring frequency of multi-path signal |
11/26/2008 | CN101312443A System and method for equalization and demodulation of orthogonal frequency division multiplexing communication |
11/26/2008 | CN101312442A Estimation method and estimation unit for frame head and integral frequency bias of receiver frame head |
11/26/2008 | CN101312441A Method and device of measuring reception quality |
11/26/2008 | CN101312440A Signal-noise ratio estimation method for signal of orthogonal frequency division multiplexing communication system |
11/26/2008 | CN101312429A Time-frequency resource distribution method for OFDM access system |
11/26/2008 | CN101312371A Subchannel allocation apparatus |
11/26/2008 | CN101312357A Modulating method for Chirp ultra wide band communication system |
11/26/2008 | CN100438677C Resource allocation processing method, device and system |
11/26/2008 | CN100438546C Driver circuit for subscriber terminals |
11/26/2008 | CN100438520C 1 bit sampling differentiate four-phase PSK demodulation circuit and method |
11/26/2008 | CN100438519C RF modem utilizing SAW device and pulse shaping |
11/26/2008 | CN100438518C Radio communication coding and decoding method using variable length signal to express digital data |
11/26/2008 | CN100438392C Method and communication device using adaptive space-time encoding, modulation and error coding |
11/26/2008 | CN100438385C Baseband receiving synchronous acquiring method and apparatus for CDMA system |
11/26/2008 | CN100438381C Ofdm signal transmission system, mobile terminal and electronic commerce system |
11/26/2008 | CN100438370C Multiple-input, multiple-output (mimo) systems with multiple transmission modes |
11/25/2008 | US7457385 Antenna systems, receivers and demodulators for cross-correlated and other signals |
11/25/2008 | US7457383 Receiving LSI device and receiver using the same |
11/25/2008 | US7457380 Low noise circuit and applications thereof |
11/25/2008 | US7457379 Adaptive multi-step combined DC offset compensation for EDGE 8-PSK |
11/25/2008 | US7457378 Apparatus and method for RF packet detection and symbol timing recovery |
11/25/2008 | US7457376 Symbol de-mapping methods in multiple-input multiple-output systems |
11/25/2008 | US7457375 Timing extractor, timing extraction method, and demodulator having the timing extractor |
11/25/2008 | US7457374 DC offset cancellation for WLAN communication devices |
11/25/2008 | US7457372 Data transmission/reception apparatus and method for achieving both multiplexing gain and diversity gain in a mobile communication system using space-time trellis code |
11/25/2008 | US7457371 Transmission signal generating circuit and radio base station communication apparatus using the same |
11/25/2008 | US7457370 Frequency staggered frequency shift keying modulation |
11/25/2008 | US7457366 System and method for adaptive phase compensation of OFDM signals |
11/25/2008 | US7457365 Circuit arrangement having a transmitter and a receiver |
11/25/2008 | US7457364 Subdimensional single-carrier modulation |
11/25/2008 | US7457356 Method of initializing equalizer of digital television receiver and equalizer using the same |
11/25/2008 | US7457353 Method and system for mitigating Fourier transform side lobes |
11/25/2008 | US7457309 Bit assignment in a communication system and communication method |
11/25/2008 | US7457231 Staggered pilot transmission for channel estimation and time tracking |
11/25/2008 | US7457230 Sending radio station, receiving radio station, radio communication system, and radio communication method |
11/25/2008 | US7456683 Amplitude error compensating device and quadrature skew error compensating device |
11/25/2008 | US7456682 Demodulator and phase compensation method thereof |
11/25/2008 | CA2241124C Non-coherent 6-port receiver |
11/23/2008 | CA2631301A1 Vsb modulation apparatus and method for generating a vsb-modulated wave |
11/20/2008 | WO2008141050A2 Systems and methods for controlling local oscillator feed-through |
11/20/2008 | WO2008140730A1 Linear rf amplifier with polar feedback |
11/20/2008 | WO2008140417A1 A method of determining as to whether a received signal includes a data signal |
11/20/2008 | WO2008140386A2 Broadcast channel timing detection |
11/20/2008 | WO2008140385A2 Image compensation for wireless receiver |
11/20/2008 | WO2008140344A1 A method and a system for synchronizing ofdm-transceivers |
11/20/2008 | WO2008140221A1 Method for transmitting control information, and method for generating codeword for the same |
11/20/2008 | WO2008138807A1 Method for coding data and data coding device |
11/20/2008 | WO2008138796A1 Method of reducing a peak to average power ratio of a multicarrier signal |
11/20/2008 | WO2008084392A3 Method and apparatus for providing automatic control channel mapping |
11/20/2008 | WO2008070316A3 Frame structures for wireless communication systems |
11/20/2008 | WO2008042874A3 Method and apparatus for processing primary and secondary synchronization signals for wireless communication |
11/20/2008 | WO2008019287A3 Replica linearized power amplifier |
11/20/2008 | US20080288846 Apparatus and method for encoding and decoding block low density parity check codes with a variable coding rate |
11/20/2008 | US20080285690 Electric field state determination method for digital multimedia broadcast and portable device using the same |
11/20/2008 | US20080285689 Start-up automatic frequency control (afc) method and apparatus |
11/20/2008 | US20080285688 Method and a Device for Decoding Turbo Codes |
11/20/2008 | US20080285686 Antenna Selection Apparatus and Methods |
11/20/2008 | US20080285685 Apparatus and Method for Generating Soft Bit Metric and M-Ary Qam Receiving System Using the Same |
11/20/2008 | US20080285684 Compact Dual Receiver Architecture for Point to Point Radio |
11/20/2008 | US20080285683 Serial data receiving circuit |
11/20/2008 | US20080285682 Calibration apparatus and method for quadrature modulation system |
11/20/2008 | US20080285680 Reconfigurable Alamouti/ABBA decoder circuit, system, and method |
11/20/2008 | US20080285679 Broadcasting service transmission/reception method and apparatus for providing fast access to broadcasting service |
11/20/2008 | US20080285678 Transmitter, receiver, transmitting method, receiving method, variable-length serial burst data transfer system, semiconductor device and hybrid semiconductor device |
11/20/2008 | US20080285677 Apparatus and Method For Transmitting Signals With Multiple Antennas |
11/20/2008 | US20080285676 Transmission of analog signals in a system-on-chip |
11/20/2008 | US20080285673 Apparatus and method for reducing peak to average power ratio based on tile structure in broadband wireless communication system |
11/20/2008 | US20080285671 Adaptive maxlogmap-type receiver structures |