Patents for H04L 27 - Modulated-carrier systems (89,721) |
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04/16/2009 | CA2641126A1 Multi-format all-digital modulator and method |
04/16/2009 | CA2641114A1 Configurable demodulator and demodulation method |
04/15/2009 | EP2048846A2 Method and apparatus in a base station for transmitting data on the dc tone of a multi-carrier communication system with a predetermined timing pattern |
04/15/2009 | EP2048845A2 Amplitude attenuation estimation and recovery systems for OFDM signals |
04/15/2009 | EP2048842A2 Communications system using adaptive filter for interference reduction |
04/15/2009 | EP2048841A2 Communications system using adaptive filter with adaptive update gain |
04/15/2009 | EP2048794A1 Method and device for data processing and communication system comprising such device |
04/15/2009 | EP2047629A2 False channel detection for wireless communication |
04/15/2009 | EP2047615A2 Method and apparatus for the generation and detection of optical differential varied-multilevel phase-shift keying with pulse amplitude modulation (odvmpsk/pam) signals |
04/15/2009 | EP1695587B1 Method and apparatus for allocating a pilot signal adapted to the channel characteristics |
04/15/2009 | EP1568192B1 Compensating for analog radio component impairments to relax specifications |
04/15/2009 | EP1563659B1 PAPR reduction |
04/15/2009 | EP1282951A4 Frame control encoder/decoder for robust ofdm frame transmissions |
04/15/2009 | CN101411155A Transmitter with delay mismatch compensation |
04/15/2009 | CN101411154A Method of OFDMA tone interference cancellation |
04/15/2009 | CN101411153A Method for mapping channel resource block and terminal equipment |
04/15/2009 | CN101411152A Video over cable modem |
04/15/2009 | CN101411151A Radio reception device, radio transmission device, radio base station, reception method, and transmission method |
04/15/2009 | CN101411148A Delaying retransmission requests in multi-carrier systems |
04/15/2009 | CN101411110A Feedback of channel state information for MIMO and subband scheduling in a wireless communication system |
04/15/2009 | CN101411087A Wireless communication method and system |
04/15/2009 | CN101411084A Method for transmitting data in a communication system |
04/15/2009 | CN101409923A Method, apparatus and base station for resource distribution in OFDM system |
04/15/2009 | CN101409702A Method for selecting wireless resource block offset by sender |
04/15/2009 | CN101409701A Local oscillation buffer and method for correcting phase mismatch |
04/15/2009 | CN101409700A Synchronization method and equipment for multi-carrier communication system |
04/15/2009 | CN101409699A Signal transmission method for wideband wireless mobile commutation system |
04/15/2009 | CN101409698A Data memory of OFDM access system and method for processing baseband signal |
04/15/2009 | CN101409697A Non-sine time-domain quadrature modulation method |
04/15/2009 | CN101409696A Layered combined equilibrium technology based on layered high-order modulation |
04/15/2009 | CN101409694A Method and system for implementing single carrier frequency domain equilibrium |
04/15/2009 | CN101409693A Method and system for implementing single carrier iterative equilibrium using Turbo code |
04/15/2009 | CN101409583A Method and device for transmitting signal |
04/15/2009 | CN101408871A High-efficiency implementing method and equipment of digital crosscorrelator |
04/15/2009 | CN100479446C Communication quality estimation method. communication quality estimation apparatus and communication system |
04/15/2009 | CN100479445C Orthogonal frequency division multiplexing communication method using prefix and suffix signals |
04/15/2009 | CN100479444C Block mode channel estimating method in electric line communication system |
04/15/2009 | CN100479334C Mapping method for encoded bits using LDPC code, transmitting and receiving apparatuses employing this method |
04/15/2009 | CN100479324C Demodulation device and demodulation method |
04/15/2009 | CN100479052C Digital modulation device and digital modulation method |
04/14/2009 | USRE40701 Communication system |
04/14/2009 | US7519132 Reduced complexity multicarrier precoder |
04/14/2009 | US7519131 Method and digital circuit for transmitting a plurality of bit sequences to be transmitted via several bus lines |
04/14/2009 | US7519128 MIMO transmission and reception methods and devices |
04/14/2009 | US7519126 Space-time block-coding (STBC) with multiple streams in orhogonal frequency division mulitplexing (OFDM) for wireless local area networks (WLAN) and error metrics for soft decision with channel information |
04/14/2009 | US7519125 Multicarrier receiver and methods of generating spatial correlation estimates for signals received with a plurality of antennas |
04/14/2009 | US7519121 OFDM demodulation circuit and OFDM reception apparatus using the same |
04/14/2009 | US7519120 Clock EMI reduction |
04/14/2009 | US7519109 Process for configuring an xDSL modem and xDSL modem having such a process |
04/14/2009 | US7519103 Pre-phase error correction transmitter |
04/14/2009 | US7519088 Robust digital communication system |
04/14/2009 | US7519081 Multi-carrier frequency-division multiplexing (FDM) architecture for high speed digital service in local networks |
04/14/2009 | US7519023 Frame structure for an adaptive modulation wireless communication system |
04/14/2009 | US7519018 Method for physical layer automatic repeat request for a subscriber unit |
04/14/2009 | US7519011 Frame structure for radio communications system |
04/14/2009 | US7518460 Amplitude modulation apparatus, amplitude limiting method, and computer-readable program |
04/14/2009 | US7518459 Harmonic-rejection modulation device |
04/14/2009 | US7518438 FM detector circuit with unbalanced/balanced conversion |
04/14/2009 | CA2447934C Single-carrier receiver having a channel equalizer interacting with a trellis decoder and a channel equalization method therefor |
04/14/2009 | CA2326929C A frequency sensitive inductance device in pots splitter design |
04/09/2009 | WO2009046339A1 Center frequency control for wireless communication |
04/09/2009 | WO2009046014A2 Simplified receiver for use in multi-wire communication |
04/09/2009 | WO2009046009A2 Partial discarding of cyclic prefix for efficient tdd or half-duplex fdd operation |
04/09/2009 | WO2009045846A2 Radio signal generator |
04/09/2009 | WO2009045245A1 Time-frequency synchronization and frame number detection for dmb-t systems |
04/09/2009 | WO2009045244A1 Time-frequency synchronization and frame number detection for dmb-t systems |
04/09/2009 | WO2009045135A1 Pilot design for tdd ofdm systems |
04/09/2009 | WO2009045080A2 Map message generating method and apparatus for enhancing map coverage in a wireless communication system |
04/09/2009 | WO2009045076A2 Method and apparatus for allocating resources of a control channel in a mobile communication system using orthogonal frequency division multiplexing |
04/09/2009 | WO2009045048A2 Method and apparatus for transmission of uplink control channel acknowledgement channel for downlink control channel in ofdma mobile communication system |
04/09/2009 | WO2009044962A1 System and method for information scrambling in a wireless communication system |
04/09/2009 | WO2009044256A1 Apparatus and method for channel estimation |
04/09/2009 | WO2009044176A2 Method and device of transmitting an ofdm signal |
04/09/2009 | WO2009043311A1 Time-frequency spreading method and apparatus in ofdma system |
04/09/2009 | WO2009043200A1 Interpolation method and apparatus using tracking filter in multi-carrier receiver |
04/09/2009 | WO2009043172A1 Method and system for adaptive peak to average power ratio reduction in ofdm communication networks |
04/09/2009 | WO2009016263A3 High dynamic range ask demodulator for use in an rfid transponder |
04/09/2009 | WO2008148837A3 Method and apparatus for transmitting encoded data in an ofdm wireless communication system |
04/09/2009 | WO2008134255A3 Systems and methods for providing an atc 0verlay data link |
04/09/2009 | WO2007110858A3 Adaptive receiver loops with weighted decision-directed error |
04/09/2009 | WO2007074453A3 A method of secure wlan communication |
04/09/2009 | WO2007063534A3 High-frequency homepna |
04/09/2009 | WO2007039908A3 Joint constellation multiple access |
04/09/2009 | WO2007021292A3 Device, method and protocol for private uwb ranging |
04/09/2009 | WO2006092662A3 Efficient implementation of gsm/gprs equalizer |
04/09/2009 | WO2005013410A3 Enhanced holographic communications apparatus and method |
04/09/2009 | US20090092401 Quaternary phase modulator |
04/09/2009 | US20090092207 Automatic Gain Control Apparatus |
04/09/2009 | US20090092206 Wireless communication apparatus and wireless communication method using plural communication channels having different bandwidths |
04/09/2009 | US20090092205 Table data generation device and method |
04/09/2009 | US20090092204 Detection circuit and detection method of carrier offset |
04/09/2009 | US20090092202 Method and apparatus for adjusting uplink data rate in a mobile communication system |
04/09/2009 | US20090092197 Ofdm demodulation device and method |
04/09/2009 | US20090092196 Data Transmission Via Multi-Path Channels Using Orthogonal Multi-Frequency Signals With Differential Phase Shift Keying Modulation |
04/09/2009 | US20090092195 Method and system for adaptive peak to average power ratio reduction in orthogonal frequency division multiplexing communication networks |
04/09/2009 | US20090092194 Adaptive pilot design for mobile system |
04/09/2009 | US20090092193 Multi carrier transmission device, multi carrier reception device, and communication method |
04/09/2009 | US20090092192 Multi-frequency data transmission channel power allocation |
04/09/2009 | US20090092182 Method and apparatus for transmitting and receiving space block coding signal through iterative multi-user detection |
04/09/2009 | US20090092087 Multi-antenna transmission for spatial division multiple access |