Patents for H04L 27 - Modulated-carrier systems (89,721) |
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04/21/2004 | CN1147100C Filtering in receiver by using log-polar signal processing |
04/21/2004 | CN1147099C Method for ASK demodulation and ASK demodulator |
04/21/2004 | CN1147098C Balanced transversed I, Q filter for quadrature modulators |
04/21/2004 | CN1147063C Communication terminal and wireless communication method |
04/21/2004 | CN1147054C Method and apparatus for receiving signal |
04/20/2004 | US6724976 Communication system |
04/20/2004 | US6724891 Integrated modem and line-isolation circuitry and associated method powering caller ID circuitry with power provided across an isolation barrier |
04/20/2004 | US6724851 FIR chip for use in a wireless subscriber unit |
04/20/2004 | US6724849 Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environment |
04/20/2004 | US6724842 Method for wireless differential communication using multiple transmitter antennas |
04/20/2004 | US6724838 Methods and apparatus to despread dual codes for CDMA systems |
04/20/2004 | US6724836 Detection of signals transmitted by frequency-shift keying modulation techniques |
04/20/2004 | US6724834 Threshold detector for detecting synchronization signals at correlator output during packet acquisition |
04/20/2004 | US6724831 Pre-distortion apparatus and method thereof |
04/20/2004 | US6724830 High efficiency line driver for high crest-factor signals such as DMT/ADSL signals |
04/20/2004 | US6724829 Automatic power control in a data transmission system |
04/20/2004 | US6724269 PSK transmitter and correlator receiver for UWB communications system |
04/20/2004 | US6724246 Demodulation structure and method |
04/20/2004 | CA2296086C A method and apparatus for segmentation and reassembly of packets/cells over satellite/wireless networks |
04/15/2004 | WO2004032494A1 Information processing device and method, program, and recording medium |
04/15/2004 | WO2004032444A1 Frequency offset compensation for communication systems |
04/15/2004 | WO2004032443A1 Channel mapping for ofdm frequency-hopping |
04/15/2004 | WO2004032442A1 Method and apparatus to detect and decode information |
04/15/2004 | WO2004032441A1 Transmission device |
04/15/2004 | WO2004032440A1 Reception device and blind reception method |
04/15/2004 | WO2004032403A1 Simplified implementation of optimal decoding for cofdm transmitter deversity system |
04/15/2004 | WO2004032389A1 Apparatus, and associated method, for transforming data in an ofdm communication system |
04/15/2004 | WO2004032381A1 Slot structure for radio communications system |
04/15/2004 | WO2004032380A1 Frame structure for radio communications system |
04/15/2004 | WO2004032347A1 Receiver having a signal reconstructing section for noise reduction, system and method thereof |
04/15/2004 | WO2004032335A1 Digital communication method and digital communication device |
04/15/2004 | US20040072547 System and method for a direct conversion multi-carrier processor |
04/15/2004 | US20040072546 System and Method for Antenna Diversity Using Equal Power Joint Maximal Ratio Combining |
04/15/2004 | US20040071240 System and method for space diversified linear block interleaving |
04/15/2004 | US20040071239 Method and apparatus for compensating for the frequency offset in interleaved frequency division multiple access |
04/15/2004 | US20040071238 Apparatus for reducing dc offset in a receiver |
04/15/2004 | US20040071237 Receiver and AGC method |
04/15/2004 | US20040071234 High rate receiver |
04/15/2004 | US20040071230 Phase demodulation method for minimizing phase error in communication signals |
04/15/2004 | US20040071229 Demodulator circuit |
04/15/2004 | US20040071221 Apparatus and method for receiving signals including data carriers and pilot carriers modulated by multi-carrier modulation method |
04/15/2004 | US20040071198 Code detection |
04/15/2004 | US20040071165 Multitone hybrid FDD/TDD duplex |
04/15/2004 | US20040071158 Modulation multiplexing |
04/15/2004 | US20040071118 Multi-carrier reception for ultra-wideband (UWB) systems |
04/15/2004 | US20040071116 Frequency auto-correction apparatus for cdma multipath fading channel |
04/15/2004 | US20040071105 Radio communication system, radio communication method, and transmitter apparatus and receiver apparatus suitable for use in the same |
04/15/2004 | US20040071093 Logical and operation diversity combining method |
04/15/2004 | US20040071078 Radio transmission apparatus, radio reception apparatus, and radio transmission method |
04/15/2004 | US20040069852 Bluetooth RF based RF-tag read/write station |
04/15/2004 | DE10329668A1 Quellensynchroner Empfänger mit einer vorbestimmten Datenempfangszeit The source synchronous receiver having a predetermined data receive time |
04/15/2004 | DE10245489A1 Method for synchronizing mobile station with base station e.g. mobile phone system, requires mobile station to receive synchronization sequence by using receiver carrier frequency |
04/15/2004 | DE10197085T5 Quadratur-Oszillator mit Phasenfehlerkorrektur Quadrature oscillator with phase error correction |
04/14/2004 | EP1408712A1 BASE STATION APPARATUS, MOBILE STATION APPARATUS, RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION METHOD |
04/14/2004 | EP1408710A1 Apparatus and method for allocating resources of a virtual cell in an OFDM mobile communication system |
04/14/2004 | EP1408668A2 Communications methods and apparatus |
04/14/2004 | EP1408665A2 Detection of the position of pilot symbols in a multicarrier signal |
04/14/2004 | EP1408664A2 Reception of multicarrier signals |
04/14/2004 | EP1408663A2 Phase demodulation |
04/14/2004 | EP1408642A2 Adaptive allocation for multicarrier spread spectrum transmission |
04/14/2004 | EP1408640A1 Diversity combining for phase modulated signals |
04/14/2004 | EP1408638A2 Method and apparatus for receiving and deshuffling shuffled data in a high-rate packet data telecommunications system |
04/14/2004 | EP1408625A2 Diversity receiver and diversity receiving method for FDM signals |
04/14/2004 | EP1408623A2 Transmitting and receiving apparatus for supporting transmit antenna diversity using space-time block code. |
04/14/2004 | EP1408620A1 Transmission method and transmitter for an ultra-wide bandwidth telecommunication system |
04/14/2004 | EP1408618A1 Radio signal receiving apparatus and demodulating circuit |
04/14/2004 | EP1407590A1 Frequency discriminator |
04/14/2004 | EP1407589A1 Receiver with improved digital intermediate to base band demodulator |
04/14/2004 | EP1407588A1 Method and apparatus for acquiring and tracking pilots in a cdma communication system |
04/14/2004 | EP1407572A2 Multi-channel communications transceiver |
04/14/2004 | EP1407571A1 Method for diversity reception of a multicarrier signal, receiver and corresponding system |
04/14/2004 | EP1407548A1 Finite impulse response filter and digital signal receiving apparatus |
04/14/2004 | EP1323252A4 System and method for huffman shaping in a data communication system |
04/14/2004 | EP1110316B1 Phase-locked loop system |
04/14/2004 | EP0993703B1 Opposite polarization interference cancellation in satellite communication |
04/14/2004 | EP0881807B1 Tansmitter with linearised amplifier |
04/14/2004 | CN1489860A Power cutback configuration of digital line transceivers using public switched telephone net work signaling |
04/14/2004 | CN1489852A Method and apparatus for error reduction in orthogonal modulation system |
04/14/2004 | CN1489844A Apparatus and method for coding/decoding of STTD in OFDM mobile communication system |
04/14/2004 | CN1489839A Method for power detection of multicarrier siguals, radio transmission unit and module for such unit |
04/14/2004 | CN1489833A Digital point-to-multiponit data transmission system on electric network |
04/14/2004 | CN1489829A Information transmission apparatus, information transmission method, information apparatus and method thereof |
04/14/2004 | CN1489824A Oscillator transmission circuit and radio apparatus |
04/14/2004 | CN1489352A Phase-demodulation method for minimizing phase-error in communication sygnals |
04/14/2004 | CN1489351A Logic-arithmetic diversity combination method |
04/14/2004 | CN1489312A Carvier-modulation method and apparatus with amplitude and phase error compensation |
04/14/2004 | CN1489311A Multiple-carrier sending coefficient capable of improving sending efficiency and method thereof |
04/14/2004 | CN1489310A Multiple-carrier emitting system and signal processing method |
04/14/2004 | CN1489308A Sending device and method of digital broadcasting system |
04/14/2004 | CN1146202C System and method for changing complexflow into amplitude and phase modulation radio power signals |
04/14/2004 | CN1146201C Demodulating circuit and demodulating, modulating method |
04/14/2004 | CN1146200C Elght-phase PSK modulation method and device |
04/14/2004 | CN1146182C Transmission process for digital signal |
04/14/2004 | CN1146143C Receiver for two orthagonally polarised signals |
04/14/2004 | CN1146120C Auto frequency control apparatus |
04/14/2004 | CN1146119C Digital compensation method for direct changeover receiver |
04/14/2004 | CN1145904C Data carrier for contactless reception of data and energy and method for operating the said data carrier |
04/13/2004 | US6721673 Estimating a plurality of tones in an input signal |
04/13/2004 | US6721394 Method for reducing noise from an asymmetric digital subscriber line modem |
04/13/2004 | US6721373 Multi-tone receiver and a method for operating the same |