Patents for H04L 27 - Modulated-carrier systems (89,721)
08/2007
08/29/2007EP1825631A1 Synchronisation device and device for generation of a synchronisation signal
08/29/2007EP1825630A1 Mesh network of intelligent devices communicating via powerline and radio frequency
08/29/2007EP1825625A1 Method for estimating frequency/time offset and apparatus using the same in ofdm communication system
08/29/2007EP1825603A1 Apparatus and method for determining a correlation value
08/29/2007EP1825368A2 Ultra-wideband communication apparatus and methods
08/29/2007EP1606902B1 Bit swapping for different interleaving depths
08/29/2007EP1568151B1 Method and apparatus for optimizing transmitter power efficiency
08/29/2007EP1483857A4 Systems and methods for high rate ofdm communications
08/29/2007CN101027886A Method and apparatus for signal demodulation
08/29/2007CN101027883A Efficient FIR filter suitable for use with high order modulation radio frequency transmitters
08/29/2007CN101027868A Transmission and reception method of preamble synchronous code signals in OFDMA system
08/29/2007CN101027866A Space-time block coding in orthogonal frequency division communication systems
08/29/2007CN101027848A Reduced complexity soft value generation for MIMO JDGRAKE receivers
08/29/2007CN101026836A Anti vocoder compressed end-to-end voice encryption device and method
08/29/2007CN101026608A Fast fourier transformation apparatus, OFDM communication apparatus and method
08/29/2007CN101026607A Common frequency community downlink synchronous code detecting method and device
08/29/2007CN101026606A Orthogonal pilot frequency sequence design method
08/29/2007CN101026605A Interference detecting method
08/29/2007CN101026604A Signal-noise-ration feedback method for orthogonal frequency division multiplexing system, and its device and system
08/29/2007CN101026603A Date transmitting/receiving apparatus and control method thereof
08/29/2007CN101026602A Orthogonal modulated chaos communication method
08/29/2007CN101026515A Equal access and initial route filtering method for packet network
08/29/2007CN101026483A Base. station idle resource obtaining method for WiMAX system
08/29/2007CN101026440A Data retransmission method in communication system
08/29/2007CN101026435A Low-complexity maximum likelihood detecting method and device for communication system
08/29/2007CN101026430A Method and system for removing interferences
08/29/2007CN101026413A 照明光无线通信系统 Illuminating light wireless communication system
08/29/2007CN101026409A Radio communication apparatus and radio communication method
08/29/2007CN100334822C Single carrier transmission system and its method
08/28/2007US7263338 Device and method for regulating a transmission moment of a continuous transmission signal
08/28/2007US7263145 Semiconductor integrated circuit device, wireless LAN system, and auto gain control system
08/28/2007US7263144 Method and system for digital equalization of non-linear distortion
08/28/2007US7263143 System and method for statistically directing automatic gain control
08/28/2007US7263142 Apparatus and method for synchronizing symbol timing using timing loop controller
08/28/2007US7263140 Extracting signal components in radio system receiver
08/28/2007US7263139 Phase correction for a phase modulated signal with mutually interfering symbols
08/28/2007US7263138 Q-quenching super-regenerative receiver
08/28/2007US7263137 Multivalued FSK modulation system
08/28/2007US7263136 Predistortion modulator
08/28/2007US7263131 OFDM-based timing synchronization detection apparatus and method
08/28/2007US7263130 Method and apparatus for evaluating error control parameters of self-similar constellations
08/28/2007US7263121 Method and apparatus for determining a topology of a subscriber line loop
08/28/2007US7263118 Interference canceling device and method in mobile communication system
08/28/2007US7263059 High-frequency receiving apparatus having wide frequency pull-in range
08/28/2007US7263058 Apparatus and method for generating preamble sequence in a BWA communication system using OFDM
08/28/2007CA2421631C Phase modulator and phase modulating method
08/28/2007CA2418471C Method and apparatus for rearranging codeword sequence in a communication system
08/23/2007WO2007095102A1 Method and apparatus for performing uplink transmission in a multiple-input multiple-output single carrier frequency division multiple access system
08/23/2007WO2007094745A1 Method for processing a data signal, data processing unit and computer program product
08/23/2007WO2007094650A2 Miscellaneous improvements on the hrpd system
08/23/2007WO2007094519A2 Radio-communication device and radio-communication method
08/23/2007WO2007094097A1 Ofdm receiver having reduced power consumption and method thereof
08/23/2007WO2007093790A1 Satellite radio navigation receivers
08/23/2007WO2007093111A1 Maximum likelihood estimation method and apparatus for a mimo system
08/23/2007WO2007078712A3 Choice between consecutive and distributed subcarrier allocation for an ofdma link based on the rate of change of the channel in time and frequency
08/23/2007WO2007073093A3 Method of generating code sequence and method of transmitting signal using the same
08/23/2007WO2007055652A9 Rf power distribution in the frequency domain
08/23/2007WO2007045843A8 Correction of quadrature mismatch
08/23/2007WO2000004646A3 IMPROVED TRANSMIT METHOD AND SYSTEM FOR Ka BAND TRANSMISSIONS
08/23/2007US20070199034 System for multi-frame alignment
08/23/2007US20070195915 Clock noise canceling circuit
08/23/2007US20070195914 Synchronization apparatus and method for improving timing estimation performance in OFDM-FDMA/CDMA/TDMA system
08/23/2007US20070195913 Phase lock loop and method for coded waveforms
08/23/2007US20070195911 Radio apparatus with wasteful power consumption diminished without reliance upon analysis by an RSSI and a power control method therefor
08/23/2007US20070195910 Transmission system
08/23/2007US20070195902 Method for variable forward error correction in a multi-point to point orthogonal frequency division multiplexing system
08/23/2007US20070195901 Method and system for adaptive modulation
08/23/2007US20070195896 Date transmitting/receiving apparatus and control method thereof
08/23/2007US20070195869 Network system
08/23/2007US20070195868 Method to increase performance of secondary data in a heirarchial modulation scheme
08/23/2007US20070195828 Bit assignment in a communication system and communication method
08/23/2007US20070195689 Method and system for adaptive modulation
08/23/2007US20070195687 Symbol alignment in multipoint-to-point orthogonal frequency division multiplexing communication
08/23/2007DE10309262B4 Verfahren zum Schätzen der Frequenz und/oder der Phase einer digitalen Signalfolge A method for estimating the frequency and / or the phase of a digital signal sequence
08/23/2007CA2641973A1 Method and apparatus for performing uplink transmission in a multiple-input multiple-output single carrier frequency division multiple access system
08/22/2007EP1821482A2 Method and apparatus for transmitting and receiving pilot symbols in orthogonal frequency-division multiplexing based communicaion systems
08/22/2007EP1821481A2 OFDM - MIMO radio frequency transmission system
08/22/2007EP1821480A1 Communication device for receiving and transmitting OFDM signals in a wireless communication system
08/22/2007EP1821479A1 Apparatus and method for allocating sub-channel in a wireless communication system
08/22/2007EP1821478A1 Method and system for transmitting data in communication system
08/22/2007EP1821477A2 Wireless communication apparatus and wireless communication method
08/22/2007EP1821476A2 OFDM Receiver with Fast Fourier Transform in which Unnecessary Butterfly Operations are Omitted
08/22/2007EP1821475A1 Frequency-division multiplexing transceiver apparatus and method
08/22/2007EP1821474A1 Signal peak voltage suppression apparatus
08/22/2007EP1821443A1 Method of reporting channel state in mobile communication system
08/22/2007EP1821435A1 Ofdm communication apparatus and ofdm communication method
08/22/2007EP1821418A2 Radio communication apparatus and radio communication method
08/22/2007EP1820315A1 Method for controlling an eer power amplifier for digital transmission
08/22/2007EP1820314A1 Transmitter and frequency hopping method of the same
08/22/2007EP1820313A1 Communication device identification
08/22/2007EP1332595B1 Wireless communication device with ask and qpsk modulators
08/22/2007EP1129556B1 Method and apparatus for reducing distortion of digital data
08/22/2007EP1040627B1 Group delay equalizer
08/22/2007EP0958685B1 Method and circuit arrangement for improved data transmission
08/22/2007CN1333584C A carrier tracking loop lock detector
08/22/2007CN1333578C Device and method of carrier recovery for high-definition TV. receiver
08/22/2007CN1333566C OFDM blind synchronizing method based on phase information and real part detection
08/22/2007CN1333541C Coding scheme for wireless communication system
08/22/2007CN101023645A Frequency domain filtering to improve channel estimation in multicarrier systems
08/22/2007CN101023644A Wireless communication apparatus and wireless communication method