Patents for H04L 27 - Modulated-carrier systems (89,721) |
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12/08/2010 | CN101911623A Modular powerline adapters and methods of use |
12/08/2010 | CN101911569A Techniques for maintaining quality of service for connections in wireless communication systems |
12/08/2010 | CN101911563A A method of data modulation adapted to selected modulation rotational angle |
12/08/2010 | CN101911558A Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system |
12/08/2010 | CN101911555A Mobile communication system, base station device, user device and method |
12/08/2010 | CN101911525A Open loop precoder cycling in mimo communications |
12/08/2010 | CN101911513A Electronic tuner and high frequency receiving device using the same |
12/08/2010 | CN101911488A Signal modulation circuit |
12/08/2010 | CN101909040A Communication device |
12/08/2010 | CN101909039A Phase modulator-based optical MSK modulation method and device |
12/08/2010 | CN101909038A Method and device for estimating blind signal bandwidth |
12/08/2010 | CN101909037A Methods and apparatus related to using a wireless terminal scrambling identifier |
12/08/2010 | CN101909036A Improved cross-correlation timing synchronization method of orthogonal frequency division multiplexing |
12/08/2010 | CN101909035A Method for recognizing subcarrier modulation modes of orthogonal frequency division multiplexing signal in wireless communication |
12/08/2010 | CN101909034A Passive optical network transmitting and receiving method and system based on single carrier frequency division multiple access |
12/08/2010 | CN101909033A Receiver and method |
12/08/2010 | CN101909032A Signal receiving apparatus, method, program and system |
12/08/2010 | CN101909031A MMSE detection method for spread-spectrum OFDMA communication system |
12/08/2010 | CN101909030A Dual-function optical differential phase shift keying format demodulator |
12/08/2010 | CN101909029A Method and system for controlling bias points of DQPSK (Differential Quadrature Reference Phase Shift Keying) modulator |
12/08/2010 | CN101909028A Single carrier demodulation method and system, transmitter and receiver |
12/08/2010 | CN101909027A Generation method of ultra-wideband dual carrier frequency and frequency synthesizer thereof |
12/08/2010 | CN101909024A Method and device for estimating maximum Doppler frequency offset |
12/08/2010 | CN101908950A Method and device for sending downlink and uplink control signals through multi-antenna system |
12/08/2010 | CN101908949A Wireless communication system as well as base station, relay station, user terminal and data sending and receiving methods thereof |
12/08/2010 | CN101908947A Concatenated coding and decoding method based on LDPC codes and constellation rotation quasi-orthogonal space-time codes and signal emitting and receiving method thereof |
12/08/2010 | CN101908937A Signal detecting method in downlink distribution type MIMO-OFDM (Multiple Input Multiple Output-Orthogonal Frequency Division Multiplexing) system |
12/08/2010 | CN101908935A System for estimating signal-to-noise ratio of signal in multiple carrier system |
12/08/2010 | CN101521943B Method for allocating time frequency resource of public pilot channels |
12/08/2010 | CN101383795B Method for enhancing valid data transmission efficiency by OFDM transmitter and OFDM transmitter |
12/08/2010 | CN101335898B Deplexing apparatus and method for mobile multimedia broadcast terminal |
12/08/2010 | CN101227249B Cascade emission method of channel coding and space time coding |
12/08/2010 | CN101217343B A smooth regulation method on type of modulation |
12/08/2010 | CN101212288B Uplink multiple-user space division multiplexing method in OFDMA system |
12/08/2010 | CN101202564B Channel initialization method |
12/08/2010 | CN101155165B Method for reducing initialized radius of spherical decoding |
12/08/2010 | CN101136898B Quadrature amplitude modulated soft decision method and apparatus |
12/08/2010 | CN101087288B Cyclic prefix identification method and eNodeB in long evolving system |
12/08/2010 | CN101064542B MIMO OFDML aunching aerial selection and self-adapting modulation approach of system |
12/08/2010 | CN101060512B OFDM transmission symbol synchronizing method and its system |
12/08/2010 | CN101060508B Data slicer circuit, demodulation stage, receiving system and method for demodulating shift keying coded signals |
12/08/2010 | CN101043491B Part transmission sequence process and its apparatus |
12/08/2010 | CN101022440B Compatiable DAB ground mobile multimedia broadcast receiving and transmitting method and system |
12/07/2010 | US7849389 LDPC (low density parity check) coded modulation symbol decoding |
12/07/2010 | US7848722 Wireless transmission apparatus and modulation scheme selection method |
12/07/2010 | US7848466 Viterbi slicer for turbo codes |
12/07/2010 | US7848465 Joint decoding of ISI (inter-symbol interference) channel and modulation codes |
12/07/2010 | US7848464 Method and apparatus for receiving data in a communication system |
12/07/2010 | US7848463 Adaptive time-filtering for channel estimation in OFDM system |
12/07/2010 | US7848462 Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof |
12/07/2010 | US7848461 Apparatus and method for signal reception in multiple input multiple output (MIMO) communication system |
12/07/2010 | US7848460 Interference suppression method and apparatus |
12/07/2010 | US7848459 Radio receiving apparatus and radio receiving method |
12/07/2010 | US7848457 Constant delay zero standby differential logic receiver and method |
12/07/2010 | US7848454 Communication apparatus and communication method |
12/07/2010 | US7848453 Independent LO IQ tuning for improved image rejection |
12/07/2010 | US7848452 Distortion compensating apparatus |
12/07/2010 | US7848449 Offset compensation device |
12/07/2010 | US7848448 Method of generating reference signal in wireless communication system |
12/07/2010 | US7848447 Radio parameter group generating apparatus, transmitter and receiver |
12/07/2010 | US7848443 Data communication with embedded pilot information for timely channel estimation |
12/07/2010 | US7848438 Method and apparatus for pilot signal transmission |
12/07/2010 | US7848403 Enhanced reconditioning equalizer filter chain for multi-carrier signals |
12/07/2010 | US7848386 Frequency hopping RF transceiver with programmable antenna and methods for use therewith |
12/07/2010 | US7848316 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
12/07/2010 | US7848281 Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station, mobile terminal and mobile radio network |
12/07/2010 | CA2599598C Filter for impulse response shortening, with addition spectral constraints, for multicarrier transmission |
12/07/2010 | CA2562679C Methods and apparatus for selecting between multiple carriers based on signal energy measurements |
12/07/2010 | CA2542153C System and method for reducing peak-to-average power ratio for multi-carrier communication systems |
12/02/2010 | WO2010138590A2 Method and apparatus for position signal assisted window placement |
12/02/2010 | WO2010138206A1 Method and apparatus for iterative timing and carrier phase recovery |
12/02/2010 | WO2010138205A1 Improved feed-forward carrier recovery system and method |
12/02/2010 | WO2010138201A2 Improved sync detection and frequency recovery for satellite systems |
12/02/2010 | WO2010138199A2 Method and apparatus for symbol timing recovery |
12/02/2010 | WO2010138198A1 Fast cycle slip detection and correction |
12/02/2010 | WO2010138140A1 Point-to-point communications system particularly for use in a power distribution system |
12/02/2010 | WO2010138032A1 Papr reduction by tone selection |
12/02/2010 | WO2010137914A2 Method and apparatus for transmitting an uplink control channel in a wireless communication system |
12/02/2010 | WO2010136864A1 Apparatus and method for inserting a cyclic postfix for a time-rotated symbol in a communication system |
12/02/2010 | WO2010136680A1 Transmitter for multi-format data |
12/02/2010 | WO2010136516A1 Multicarrier modulation of optical channels at reduced optical power |
12/02/2010 | WO2010135946A1 Method and apparatus for realizing decimal frequency offset estimation |
12/02/2010 | WO2010135913A1 Method and device for integrating unicast service and multimedia broadcast multicast service |
12/02/2010 | WO2010116910A3 Cooperative ultra-reliable wireless communications |
12/02/2010 | WO2010098588A3 Method and apparatus for multiple input multiple output (mimo) transmit beamforming |
12/02/2010 | WO2010081896A3 Interpolated channel estimation for mobile ofdm systems |
12/02/2010 | WO2010004388A3 Transmitter and method for transmitting soft pilot symbols in a digital communication system |
12/02/2010 | WO2009120028A3 Wireless multi-carrier code division multiplexing communication apparatus using transmit diversity scheme |
12/02/2010 | US20100304744 Method and apparatus for performing searches with multiple receive diversity (rxd) search modes |
12/02/2010 | US20100304708 Methods and Apparatus for Accurately Determining Signal Time of Arrival |
12/02/2010 | US20100303473 Receiver and Method for Operating Said Receiver |
12/02/2010 | US20100303180 Gain control for a receiver in a multi-carrier communication system |
12/02/2010 | US20100303179 Synchronization timing detecting apparatus, receiving apparatus, and synchronization timing detecting method |
12/02/2010 | US20100303178 Method and System for Down-Converting an Electromagnetic Signal, and Transforms for Same |
12/02/2010 | US20100303177 Doppler frequency estimation system and method |
12/02/2010 | US20100303176 Methods and apparatuses for mimo detection |
12/02/2010 | US20100303175 Method to discriminate a real echo peak from an aliased echo peak |
12/02/2010 | US20100303174 Apparatus for processing received signal, method thereof, and method for selecting mapping rule |
12/02/2010 | US20100303173 Circuit for demodulating a phase modulated signal |
12/02/2010 | US20100303172 Methods and techniques for 3g cellular transmitters |