Patents for H04L 27 - Modulated-carrier systems (89,721) |
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09/15/2004 | EP1090490B1 Multicarrier communication with variable overhead rate |
09/15/2004 | EP0935440B1 Method for wireless communication transfer with an implanted medical device |
09/15/2004 | EP0901725B1 An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio transmitter |
09/15/2004 | CN1529970A Poppler spread/velcocity estimation in mobile wireless communication device and methods thereof |
09/15/2004 | CN1529947A 接收机和通信终端 The receiver and the communication terminal |
09/15/2004 | CN1529525A Device and method for detecting defined frame synchronization of channel contour window |
09/15/2004 | CN1529521A Multi-carrier auto-gain calibrating device and method |
09/15/2004 | CN1529492A Improved ADSL compatible discrete multi-tone apparatus |
09/15/2004 | CN1529484A Method and device for realing differential-deviation four-phase key-control coherent demodulation |
09/15/2004 | CN1529438A CDMA spectrum-spreading method, despreading method and receiver |
09/15/2004 | CN1529433A Low-complexity portion parallel transmission method for multi-carrier direct spread spectrum CDMA system |
09/15/2004 | CN1529432A Method and appartus for equalization complementray carriers in an AM compatible digital audio broadcast system |
09/15/2004 | CN1167236C High-frequency receiver |
09/15/2004 | CN1167235C Channel presuming system and channel presuming method through detecting component of phase rotation |
09/15/2004 | CN1167234C Sign timing restoring circuit of phase demodulator and its method |
09/15/2004 | CN1167230C Communication system, communicaton control apparatus and method |
09/15/2004 | CN1167025C Fast fourier transformation equipment for compensating outcoming signal and its method |
09/14/2004 | US6792258 Diversity reception method and diversity receivers |
09/14/2004 | US6792054 Method for reducing complex frequency down-conversion impairments |
09/14/2004 | US6792050 Ask modulation apparatus and method |
09/14/2004 | US6792049 Digital transceiver system with adaptive channel pre-coding in an asymmetrical communications network |
09/14/2004 | US6791965 Code multiplexing transmitting apparatus |
09/14/2004 | US6791964 Multicarrier CDMA rake receiver apparatus |
09/14/2004 | US6790116 Radio communication apparatus and radio frequency correcting method |
09/10/2004 | WO2004077778A1 Power and bit loading allocation in a communication system with a plurality of channels |
09/10/2004 | WO2004077777A1 Sub-carrier allocation for ofdm |
09/10/2004 | WO2004077776A1 Digitizer device, waveform generation device, conversion method, waveform generation method, and recording medium containing the program thereof |
09/10/2004 | WO2004077774A1 Wireless data transmission method, and corresponding signal, system, transmitter and receiver |
09/10/2004 | WO2004077730A2 Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation |
09/10/2004 | WO2004077713A1 A method and apparatus of estimating carrier frequency |
09/10/2004 | WO2004077712A1 Radio communication system and radio communication method |
09/10/2004 | WO2004077709A2 Method and apparatus for reducing interference within a communication system |
09/10/2004 | WO2004077684A2 Communication method, system, and apparatus that combines aspects of cyclic prefix and zero padding techniques |
09/10/2004 | WO2004077276A2 Fast fourier transform and ofdm receiver |
09/10/2004 | WO2004059932A3 Optimization of soft decision device and feedback equalizer |
09/10/2004 | WO2004034667A3 Electromagnetic wave trasmitter systems, methods and articles of manufacture |
09/10/2004 | WO2003090348A8 Decision feedback equalizer |
09/10/2004 | CA2517207A1 Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation |
09/10/2004 | CA2497392A1 Power and bit loading allocation in a communication system with a plurality of channels |
09/09/2004 | US20040177310 Narrow band chaotic bi-phase shift keying |
09/09/2004 | US20040176148 Mobile communication terminal including automatic frequency control function |
09/09/2004 | US20040176120 Method and system for acquiring ultra-wide-bandwidth communications signals using sequential block searches |
09/09/2004 | US20040176119 Method and system for acquiring ultra-wide-bandwidth communications signals using average block searches |
09/09/2004 | US20040176063 Apparatus and method for transmitting and receiving ultra wideband signals |
09/09/2004 | US20040174984 Method and apparatus for DTMF detection and voice mixing in the CELP parameter domain |
09/09/2004 | US20040174942 Integrated circuit |
09/09/2004 | US20040174903 Reduced symbol rate handshake signaling in ADSL systems |
09/09/2004 | US20040174845 Handoff system using an initial ranging scheme in a broadband wireless access communication system and method for controlling the same |
09/09/2004 | US20040174843 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
09/09/2004 | US20040174842 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
09/09/2004 | US20040174841 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
09/09/2004 | US20040174811 OFDM automatic frequency control device and method thereof |
09/09/2004 | US20040174809 Communication method, system, and apparatus that combines aspects of cyclic prefix and zero padding techniques |
09/09/2004 | US20040174808 Method for reducing signaling overhead in a multicarrier system with dyanamic bit allocation and corresponding transmission/receiver device |
09/09/2004 | US20040174222 Phase modulating system |
09/09/2004 | US20040174220 Tunable power amplifier matching circuit |
09/09/2004 | DE19539939B4 Codesender, insbesondere für ein Diebstahlschutzsystem eines Kraftfahrzeugs Code transmitter, in particular for a theft protection system of a motor vehicle |
09/09/2004 | DE10307429A1 Method for selection of mixed frequency for transceivers of cordless digital communication apparatus, with intermediate frequency (IF) set both considering appearing harmonics |
09/09/2004 | DE102004001998A1 Fehlerkorrektur in Direktumsetzungsarchitekturen Error correction in direct conversion architectures |
09/08/2004 | EP1455497A2 Mobile communication terminal using both a continuous and an intermittent pilot for channel estimation |
09/08/2004 | EP1455476A2 Adaptive modulation transmission system, transmission device, reception device, and method thereof |
09/08/2004 | EP1455444A1 Device and method for predistorting an input signal |
09/08/2004 | EP1454467A2 Rate selection for an ofdm system |
09/08/2004 | EP1454466A2 Rate selection for an ofdm system |
09/08/2004 | EP1454150A1 Method and device for graphically representing the i and/or q components of digitally modulated high frequency signals |
09/08/2004 | EP1198916A4 Method and system for generating a power control metric in an orthogonal transmit diversity communication system |
09/08/2004 | EP1158702B1 Method for broadcasting to subscriber units information about the availability of channels in a CDMA system |
09/08/2004 | EP1050127B1 Method and apparatus for synchronizing a data communication system to a periodic digital impairment |
09/08/2004 | EP0903016B1 Code division multiple access communication system |
09/08/2004 | CN1528095A Multi-detection of heart beat to reduce error probability |
09/08/2004 | CN1528094A Transmission of heart beat signal at a lower level than heart beat request |
09/08/2004 | CN1528065A Method and device for transmitting data in a multi-carrier system comprising parallel concatenated coding and modulation |
09/08/2004 | CN1528059A Downlink synchronisation method for a point-to-mutipoint system wit OFDM modulation |
09/08/2004 | CN1527620A Method of estimating power of interference signal code |
09/08/2004 | CN1527555A 集成电路 IC |
09/08/2004 | CN1527516A Method and device for producing received used codes in CDMA radio communication system |
09/08/2004 | CN1527514A Eliminator for interference wave caused by interference |
09/08/2004 | CN1527513A Information processing method and device using time domain pilot sequence in OFDM system |
09/08/2004 | CN1527512A Training sign generating and transmitting method in orthogonal frequency-division multiplexing system |
09/08/2004 | CN1527499A Method and system for decoding low-density parity check code |
09/08/2004 | CN1527488A Starting of multi-xDSL modulator-demodulator with hidden channel probe |
09/08/2004 | CN1166192C Data frame generating method and receiver |
09/08/2004 | CN1166190C Apparatus for processing received data flow and processing method |
09/08/2004 | CN1166164C Method for transmitting high bit rate digit signal |
09/08/2004 | CN1166140C Appts. methods and computer program products for sequential maximum likelihood estimating communications signals using whitening path meterics |
09/08/2004 | CN1166139C Synchronization and detection of modulation type |
09/08/2004 | CN1166138C Adaptive digital pre-distortion method and device for wideband transmitter |
09/08/2004 | CN1166128C Complex constellation point multiplier |
09/08/2004 | CN1166101C Method of realizing CDMA base band system accurate coherent demodulation |
09/08/2004 | CN1166090C Correction for N end receiver |
09/08/2004 | CN1166080C Channel estimation device and method for radio system |
09/08/2004 | CN1166053C Adaptive RF digital pre-distortion linearization method and circuit |
09/08/2004 | CN1166052C Static viterbi detector for channels utilizing code having time varying constraints |
09/07/2004 | US6788752 Multi-carrier transmission system |
09/07/2004 | US6788750 Trellis-based decoder with state and path purging |
09/07/2004 | US6788749 Erasure based instantaneous loop control in a data receiver |
09/07/2004 | US6788747 Receiver capable of receiving analog broadcast and digital broadcast and IC for the same |
09/07/2004 | US6788744 Power control circuit and transmitter |
09/07/2004 | US6788742 Variable length trellis for data transmission |
09/07/2004 | US6788737 Communication terminal apparatus, base station apparatus and communication method |