| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 08/12/1997 | US5657326 Radio based collision detection for wireless communication system |
| 08/12/1997 | US5657317 Hierarchical communication system using premises, peripheral and vehicular local area networking |
| 08/12/1997 | US5657313 Signal transmitting apparatus and signal receiving apparatus using orthogonal frequency division multiplexing |
| 08/12/1997 | US5657145 Modulation and coding for transmission using fluorescent tubes |
| 08/12/1997 | US5656971 For demodulating a phase-modulated wave |
| 08/12/1997 | US5656646 Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids and their use |
| 08/12/1997 | CA2089593C Apparatus and robust method for detecting tones |
| 08/07/1997 | WO1997028613A1 Disabling tone detector for network echo canceller |
| 08/07/1997 | WO1997028610A1 Fft-based channelizer and combiner employing residue-adder-implemented phase advance |
| 08/06/1997 | EP0788265A2 Synchronisation in multicarrier systems |
| 08/06/1997 | EP0788264A2 OFDM transmitter and OFDM receiver |
| 08/06/1997 | EP0788263A2 Synchronisation to an FCCH signal |
| 08/06/1997 | EP0788262A2 Combined equalizer and decoder |
| 08/06/1997 | EP0788245A2 Space diversity receiver for differential PSK signals using signal detection and sequence estimation |
| 08/06/1997 | EP0788244A1 Radio receiver |
| 08/06/1997 | EP0788225A1 Frequency offset estimating circuit and AFC circuit using the same |
| 08/06/1997 | CN1156369A Timing playback device and diversity communication device |
| 08/06/1997 | CN1156368A Delaydetector arrangement for detecting phase difference from phase modulation signal |
| 08/06/1997 | CN1156363A Synchronous device for digital communication |
| 08/06/1997 | CN1156355A Diversity receiver |
| 08/06/1997 | CN1035590C Coding method for broadcasting transmissions |
| 08/05/1997 | US5655090 Computer system for implementing a transfer function |
| 08/05/1997 | US5655022 Apparatus and method for synchronizing nonlinear systems using filtered signals |
| 08/05/1997 | US5654989 Method and apparatus for symbol timing tracking |
| 08/05/1997 | US5654987 Clock recovery circuit with reduced jitter |
| 08/05/1997 | US5654986 Method and apparatus for decoding trellis coded QAM signals |
| 08/05/1997 | US5654982 Apparatus and method for determining carrier frequency offset and timing frequency offset for data transmission and reception |
| 08/05/1997 | US5654979 Cell site demodulation architecture for a spread spectrum multiple access communication systems |
| 07/31/1997 | WO1997027695A2 Digital receiver with fractionally-spaced self-recovery adaptive equalizer |
| 07/31/1997 | WO1997027550A2 Communication system with multicarrier telephony transport |
| 07/31/1997 | DE19615057C1 Distortion criterion derivation arrangement from demodulated quadrature amplitude signal |
| 07/31/1997 | CA2757542A1 Communication system with multicarrier telephony transport |
| 07/31/1997 | CA2757383A1 Communication system with multicarrier telephony transport |
| 07/31/1997 | CA2757201A1 Communication system with multicarrier telephony transport |
| 07/31/1997 | CA2690127A1 Communication system with multicarrier telephony transport |
| 07/31/1997 | CA2241897A1 Digital receiver with fractionally-spaced self-recovery adaptive equalizer |
| 07/30/1997 | EP0786889A1 Method for the reception of multicarrier signals and related apparatus |
| 07/30/1997 | EP0786888A2 Provision of a frequency reference in a multicarrier modulation system |
| 07/30/1997 | EP0786183A1 Transmission system with improved symbol processing |
| 07/30/1997 | EP0786175A1 Multiprotocol infra-red communication |
| 07/30/1997 | EP0624287A4 Modem including an equalizer for amplitude jitter. |
| 07/30/1997 | EP0507926B1 Linear transmitter training method and apparatus |
| 07/30/1997 | CN1155961A Transmission system with improved tone detection |
| 07/30/1997 | CN1155960A Transmission system with improved tone detection |
| 07/30/1997 | CN1155800A Adaptive digital symbol recovery for amplitude phase keyed digital communication systems |
| 07/29/1997 | US5652903 DSP co-processor for use on an integrated circuit that performs multiple communication tasks |
| 07/29/1997 | US5652772 Method and apparatus for synchronization in digital transmisison systems of the OFDM type |
| 07/29/1997 | US5652769 Costas loop and data identification apparatus |
| 07/29/1997 | US5652768 Method of and circuit arrangement for demodulating a digital amplitude-modulated carrier signal |
| 07/29/1997 | US5652764 Radio communication system |
| 07/29/1997 | US5652552 For transmitting data by two bits |
| 07/24/1997 | WO1997026745A1 Multi-level, multi-frequency interference pattern analog waveform encoding of digital data for transmission |
| 07/24/1997 | WO1997026743A1 Multicarrier communication system and method for peak power control |
| 07/24/1997 | WO1997026742A1 Multi-carrier symbol synchronisation |
| 07/24/1997 | WO1997026711A1 Improved multicarrier transmission system |
| 07/24/1997 | CA2243162A1 Multi-level, multi-frequency interference pattern analog waveform encoding of digital data for transmission |
| 07/23/1997 | EP0785647A1 Method and apparatus for the synchronization of an FSK modulated signal in a receiver |
| 07/23/1997 | EP0785645A1 Method and modem for adaptive allocation of the pilot carrier in a multi-carrier system |
| 07/23/1997 | EP0785636A2 Apparatus and method in or relating to signal processing techniques |
| 07/23/1997 | EP0784893A1 Hierarchical communication system providing intelligent data, program and processing migration |
| 07/23/1997 | CN1155202A Method for increasing communication capacity and keeping standard channel modulation compatibility and apparatus thereof |
| 07/22/1997 | US5651031 Clock recovery circuit of demodulator |
| 07/22/1997 | US5651030 Receiver with signal classifier |
| 07/22/1997 | US5650953 Reciprocal number arithmetic operating method and circuit which are used in modem |
| 07/22/1997 | US5650739 Programmable delay lines |
| 07/22/1997 | US5650714 Orthogonal signal generation system |
| 07/17/1997 | WO1997025784A1 Ofdm system and ofdm apparatus |
| 07/17/1997 | WO1997025780A1 Improved channel estimation in a communication system |
| 07/17/1997 | WO1997025773A1 Method and device for modulating the frequency of a high-frequency signal |
| 07/17/1997 | WO1997025100A1 Adaptive, performance-optimizing communication system for communicating with an implanted medical device |
| 07/17/1997 | DE19601013A1 Verfahren und Anordnung zur Frequenzmodulation eines hochfrequenten Signals Method and system for frequency modulation of a high-frequency signal |
| 07/17/1997 | CA2195237A1 Method and apparatus for the synchronization of a signal receiving station |
| 07/17/1997 | CA2195234A1 Method and modem for adaptive allocation of the pilot carrier in a multi carrier system |
| 07/16/1997 | EP0783797A1 A wireless digital communication device, and a pulse shaping network |
| 07/16/1997 | CN1154773A Method and device for phase-modulated signals |
| 07/16/1997 | CN1154768A Output power controller |
| 07/16/1997 | CN1154617A Data receiving apparatus, demodulator circuit and integrated circuit |
| 07/16/1997 | CN1154616A Apparatus for high-speed simultaneous voice/data communications |
| 07/15/1997 | US5649208 Mechanism for handling non-maskable interrupt requests received from different sources |
| 07/15/1997 | US5648993 Method and apparatus for synchronizing modem transmission by controlling a measured phase difference between an internal timing signal and a transmission timing signal |
| 07/15/1997 | US5648992 In a communications system |
| 07/15/1997 | US5648989 For use in a communications device |
| 07/15/1997 | US5648988 Communication system including a digital roll-off filter |
| 07/15/1997 | US5648986 Receiver in digital radio communication device with selective equalization |
| 07/15/1997 | US5648985 Universal radio architecture for low-tier personal communication system |
| 07/15/1997 | US5648982 Spread spectrum transmitter |
| 07/15/1997 | US5648822 For use in a television receiver |
| 07/13/1997 | CA2194824A1 Digital and analog modulator |
| 07/10/1997 | WO1997024850A1 Method and apparatus for decoding an encoded signal |
| 07/10/1997 | WO1997016909A3 Detection of multitone signals |
| 07/10/1997 | DE19619246C1 Receiver for transponder signal which has been FSK modulated and which includes check codes |
| 07/09/1997 | EP0783218A2 QAM modulator using an array of QPSK modulators |
| 07/09/1997 | EP0783214A2 Data synchronizer phase detector and method of operation thereof |
| 07/09/1997 | EP0783210A2 Spread spectrum communications system |
| 07/09/1997 | EP0783206A2 Data synchronizer lock detector and method of operation thereof |
| 07/09/1997 | EP0783147A2 Modulator having individually placed edges |
| 07/09/1997 | EP0782803A1 Method for demodulating digitally modulated data signals |
| 07/09/1997 | EP0782791A1 An ultrawide-band communications system and method |
| 07/09/1997 | EP0782789A1 Efficient linear power amplification |
| 07/09/1997 | EP0559883B1 Device for digital transmission and direct conversion receiver |