Patents for H04L 27 - Modulated-carrier systems (89,721) |
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08/08/2002 | WO2002061938A1 Distortion compensation apparatus |
08/08/2002 | WO2002015502A3 Adaptive linear equalisation for walsh-modulated |
08/08/2002 | WO2002013370A3 Frequency translator using a cordic phase rotator |
08/08/2002 | US20020108089 Use of trellis coded modulation to mitigate fading channels in data transmission over air link wireless channels of GPRS/EDGE systems |
08/08/2002 | US20020108085 System and method for performing joint trellis coded modulation (TCM) with multi-circular constellations on data being transmitted over nonlinear channels |
08/08/2002 | US20020108083 Communication apparatus and communication method |
08/08/2002 | US20020108081 Performance evaluation of multicarrier channels with forward error correction and automatic retransmission request |
08/08/2002 | US20020108001 Multi-modem implementation with host based and digital signal processor based modems |
08/08/2002 | US20020107979 Computer data transmission over a telecommunictions network |
08/08/2002 | US20020107382 Nnucleotide sequences which code enzyme inhibitor for use in human therapeutics and diagnostics, cosmetics, nutrients and animal feeds |
08/08/2002 | US20020107030 Method, apparatus and system for frequency stabilization using cellular signal bursts |
08/08/2002 | US20020106992 Synchroniser |
08/08/2002 | US20020106989 Radio communication apparatus and radio communication method |
08/08/2002 | US20020106060 Communication system with multicarrier telephony transport |
08/08/2002 | US20020106043 Clock synchronizing circuit |
08/08/2002 | US20020106036 Bs digital broadcasting receiving device and bs digital broadcasting reciving method |
08/08/2002 | US20020106032 Devices for sending and receiving a modulated signal |
08/08/2002 | US20020106010 Rate adaptation and parameter optimization for multi-band single carrier transmission |
08/08/2002 | US20020106007 Efficient multipath centroid tracking circuit for a code division multiple access (CDMA) system |
08/08/2002 | US20020105950 Computer data transmission over a telecommunications network |
08/08/2002 | US20020105947 Multi-carrier communication apparatus and multi-carrier communication method |
08/08/2002 | US20020105928 Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems |
08/08/2002 | US20020105903 Reception synchronization apparatus and demodulating apparatus using the same |
08/08/2002 | US20020105902 Method for generating orthogonal spread codes in mobile communication system |
08/08/2002 | US20020105901 System and method of signal wave shaping for spectrum control of an OFDM signal |
08/08/2002 | US20020105632 Quadrature processed lidar system |
08/08/2002 | US20020105599 VSB demodulating device and method in digital TV receiver |
08/08/2002 | US20020105378 Linearisation and modulation device |
08/08/2002 | CA2437112A1 Maximum likelihood synchronisation for a communications system using a pilot symbol |
08/07/2002 | EP1229683A2 Upstream synchronisation in a multi-point to point communications system |
08/07/2002 | EP1229678A1 Base station apparatus, communication terminal apparatus and communication method |
08/07/2002 | EP1229344A1 Method, apparatus and system for frequency stabilisation using cellular signal bursts |
08/07/2002 | EP1228617A1 Method and test device for determining and correcting an offset in direct voltage on a modulator |
08/07/2002 | EP1228615A2 Par reduction by carriers phase randomization in multicarrier communications |
08/07/2002 | EP1228614A1 Method and apparatus for communication using pulse decoding |
08/07/2002 | EP1228611A1 Radio receiver with two stages of dc offset correction, synchronisation and channel estimation |
08/07/2002 | EP1228590A1 Method and apparatus for transmitting signals in a communication system |
08/07/2002 | EP0721705B1 Arrangement in a multi-user system |
08/07/2002 | EP0720793B1 Digital radio link system and radio link terminal |
08/07/2002 | CN1363169A Phase noise and additive noise estimation in a QAM demodulator |
08/07/2002 | CN1363168A Communication system with predistortion |
08/07/2002 | CN1363163A Peer-to-peer communication system with receiver adjustment using stored transmission parameters |
08/07/2002 | CN1088962C Method for the common transmission of digital and analogue modulated radio broadcasting and/or television broadcasting signals |
08/07/2002 | CN1088952C Maximum likelihood decoding and synchronous detecting method |
08/07/2002 | CN1088951C Demodulating method and device for phase-shift key controlled signal |
08/06/2002 | US6430724 Soft selection combining based on successive erasures of frequency band components in a communication system |
08/06/2002 | US6430401 Technique for effectively communicating multiple digital representations of a signal |
08/06/2002 | US6430243 Symbol sign directed phase detector |
08/06/2002 | US6430234 Method and apparatus for performing phase detection and timing recovery for a vestigial sideband receiver |
08/06/2002 | US6430232 Phase constellation modulator |
08/06/2002 | US6430228 Digital QAM modulator using post filtering carrier recombination |
08/06/2002 | US6430227 FM in-band-on-channel digital audio broadcasting method and system |
08/06/2002 | US6430219 Method of and apparatus for performing line characterization in a subscriber line communication system |
08/06/2002 | US6430214 Fading resistant multi-level QAM receiver |
08/06/2002 | US6430212 Spread-spectrum GMSK/M-ary radio |
08/06/2002 | US6430210 Receiver for detecting an amplitude modulated signal insinuated on an GHM signal |
08/06/2002 | US6430208 Ultrawide-band communication system and method |
08/06/2002 | US6430149 Processing circuits for complex operation |
08/06/2002 | US6430148 Multidirectional communication systems |
08/06/2002 | US6429828 VHF/UHF self-tuning planar antenna system |
08/06/2002 | US6429798 Combined transmit filter and D-to-A converter |
08/06/2002 | CA2267425C Cosine segment communications system |
08/05/2002 | CA2337737A1 Improved method for adapting the receiver demodulation structure according to the transmitter ifft size, in dmt-based adsl modems |
08/05/2002 | CA2333829A1 Method for adapting the receiver demodulation structure according to the transmitter ifft size, in dmt-based adsl modems |
08/01/2002 | WO2002060146A1 Method of implementing modulation and modulator |
08/01/2002 | WO2002060145A2 Method for adaptive bit assignment and fine gain setting in a multi-carrier communications system |
08/01/2002 | WO2002060144A2 Calibrating the local oscillation frequency of a cdma receiver |
08/01/2002 | WO2002060143A2 Joint reduction of noise power and of the length of the channel impulse response |
08/01/2002 | WO2002060142A2 Method for bit assignment and fine gain setting in a multi-carrier communications system |
08/01/2002 | WO2002060141A1 Layered transmission reception device and transmission device |
08/01/2002 | WO2002060140A1 Method for transmitting a biorthogonal frequency multiplex signal/synchronous modulation (bfdm/sm) signal |
08/01/2002 | WO2002060115A1 Interpolation resampler |
08/01/2002 | WO2002060114A2 Filter for multicarrier signals |
08/01/2002 | WO2002060107A2 Quadrature modulator and demodulator |
08/01/2002 | WO2002033842A3 Transformerless interface for modem |
08/01/2002 | WO2002027954A8 Subharmonic mixer circuit and method |
08/01/2002 | WO2002013397A3 Constrained-envelope transmitter and method therefor |
08/01/2002 | WO2002011383A3 Systems and methods for transporting a network timing reference in an adsl system |
08/01/2002 | WO2002009270A3 System and apparatus for a direct conversion receiver and transmitter |
08/01/2002 | WO2002003556A3 Method and apparatus for channel gain and channel delay estimation in a multi-carrier cdma system |
08/01/2002 | US20020102940 Adaptive subcarrier loading |
08/01/2002 | US20020102937 Communication system with multicarrier telephony transport |
08/01/2002 | US20020101942 Signal separation |
08/01/2002 | US20020101941 Quadrature error reduction for QAM modulated up or down conversion |
08/01/2002 | US20020101940 Demodulator and radio communication system using the same |
08/01/2002 | US20020101939 Fixed-point DSP implementation of FM demodulation and decoding |
08/01/2002 | US20020101936 Systems and methods for the reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms |
08/01/2002 | US20020101935 Systems and methods for the dynamic range compression of multi-bearer single-carrier and multi-carrier waveforms |
08/01/2002 | US20020101916 Universal modulator/demodulator |
08/01/2002 | US20020101915 Method and system for turbo encoding in ADSL |
08/01/2002 | US20020101910 CDMA multi-user detection with a real symbol constellation |
08/01/2002 | US20020101883 Method for reducing interference from initializing network devices in a data-over-cable system |
08/01/2002 | US20020101840 Timing drift compensation in wireless packet-based systems |
08/01/2002 | US20020101545 Wireless transmission system |
08/01/2002 | DE10148515A1 Frequenzspannungswandler Frequency voltage converter |
08/01/2002 | DE10135924A1 Amplitudendetektierverfahren und Schaltung Amplitudendetektierverfahren and circuit |
08/01/2002 | DE10101911A1 Signalverarbeitung eines amplituden- und/oder phasenmodulierten Hochfrequenzsignals Signal processing of an amplitude and / or phase-modulated high-frequency signal |
08/01/2002 | CA2435720A1 Quadrature modulator and demodulator |
08/01/2002 | CA2434096A1 Efficient multicarrier filter |
07/31/2002 | EP1227597A2 Noise cancelling method and apparatus |