| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 07/11/2000 | US6088430 Communication server apparatus and method |
| 07/11/2000 | US6088411 Method and apparatus for a unique word differential detection and demodulation using the unique word differential detection |
| 07/11/2000 | US6088410 False-synchronization detection device for bit-synchronous circuit of . .pi/4-shift DQPSK demodulator |
| 07/11/2000 | US6088406 Reception method, reception apparatus and timing detecting apparatus |
| 07/11/2000 | US6088402 QAM spread spectrum demodulation system |
| 07/11/2000 | US6088401 QAM signal receiver |
| 07/11/2000 | US6088400 Receiving device for synchronous serial transmission data |
| 07/11/2000 | US6088398 Orthogonal frequency division multiplex systems |
| 07/11/2000 | US6088389 System and method for training a plurality of equalizers and a modem employing the system or method |
| 07/11/2000 | US6088387 Multi-channel parallel/serial concatenated convolutional codes and trellis coded modulation encoder/decoder |
| 07/11/2000 | US6088386 Transmitter with phase rotor, modulator/demodulator, communication system and method performed thereby |
| 07/11/2000 | US6088327 Method and circuit arrangement for improving carrier separation for the transmission of OFDM signals |
| 07/11/2000 | CA2218629C Dual-tone multi-frequency signal transfer protocol |
| 07/11/2000 | CA2012913C Line probing mechanism |
| 07/06/2000 | WO2000039977A1 Method for optimisation of dsl communications |
| 07/06/2000 | WO2000039975A1 Method and circuit for demodulating a digital frequency-modulated signal |
| 07/06/2000 | WO2000039974A1 Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols |
| 07/06/2000 | WO2000039973A1 Digital am/fm positioning system (dafps) - an international positioning system |
| 07/06/2000 | WO2000039972A1 Enhanced method for adaptive equalization technique in mobile wireless systems |
| 07/06/2000 | WO2000039949A1 SYSTEM AND METHOD FOR LINKING A VDSL BASED DISTRIBUTION SYSTEM WITH AN xDSL BASED SYSTEM |
| 07/06/2000 | WO2000039938A1 Method for transmitting signals in a communication device |
| 07/06/2000 | WO2000039920A1 Multi-frequency transmitter using predistortion and a method of transmitting |
| 07/06/2000 | WO2000039919A1 Wideband if image rejecting receiver |
| 07/06/2000 | WO2000011831A3 Methods and apparatus for providing robust synchronization of radio transceivers |
| 07/06/2000 | DE19962162A1 Verfahren und Vorrichtung zur Rückabbildung Method and apparatus for demapping |
| 07/06/2000 | DE19858726A1 Phase compensation method for mobile radio system |
| 07/06/2000 | DE19844457C1 Duplex data transmission method with quadrature amplitude modulation |
| 07/05/2000 | EP1017201A1 QAM receiver with separate detection of phase and amplitude |
| 07/05/2000 | EP1017162A2 Amplifier circuit with negative feedback loop for distortion reduction |
| 07/05/2000 | EP1016234A1 A method of and apparatus for transmitting data in a multiple carrier system |
| 07/05/2000 | EP0824800A4 Apparatus for multi-rate simulcast communications |
| 07/05/2000 | EP0815676A4 Single oscillator compressed digital information receiver |
| 07/05/2000 | EP0732021A4 Method and apparatus for locating and tracking a qpsk carrier |
| 07/05/2000 | EP0723720A4 Digital communications equipment using differential quaternary frequency shift keying |
| 07/05/2000 | CN1259253A Carrier reproducing circuit |
| 07/05/2000 | CN1259252A Modulation classification using RSSI |
| 07/05/2000 | CN1259251A Method and apparatus for band-adaptive demodulation |
| 07/05/2000 | CN1259248A Method and apparatus for implementing a transmission connection |
| 07/04/2000 | US6085351 Synchronization method |
| 07/04/2000 | US6085114 Remote wireless unit having reduced power operating mode |
| 07/04/2000 | US6085073 Method and system for reducing the sampling rate of a signal for use in demodulating high modulation index frequency modulated signals |
| 07/04/2000 | US6084932 Method to indicate synchronization lock of a remote station with a base station for a discrete multitone spread spectrum communications system |
| 07/04/2000 | US6084929 Method and apparatus for channel tracking |
| 07/04/2000 | US6084923 System, apparatus and method for averaging digitized phase samples |
| 07/04/2000 | US6084921 Transmit method and system for Ka band transmissions |
| 07/04/2000 | US6084918 Data transmission method and devices |
| 07/04/2000 | US6084917 Circuit for configuring and dynamically adapting data and energy parameters in a multi-channel communications system |
| 07/04/2000 | US6084915 Signaling method having mixed-base shell map indices |
| 07/04/2000 | US6084906 ADSL transceiver implemented with associated bit and energy loading integrated circuit |
| 07/04/2000 | US6084905 Frequency hopped wireless communication system and communication equipment using a preamble field and information transfer field succeeding the preamble field |
| 07/04/2000 | US6084883 Efficient data transmission over digital telephone networks using multiple modulus conversion |
| 07/04/2000 | US6084871 Method for synchronization of transmitter and receiver at mobile radio system |
| 07/04/2000 | US6084852 Burst mode preamble |
| 07/04/2000 | US6084642 Receiver for adjusting sync levels in VSB systems |
| 06/29/2000 | WO2000038402A1 Power line communication system for local area networks |
| 06/29/2000 | WO2000038388A1 Qam modulator for radio communications |
| 06/29/2000 | WO2000038387A1 Method for transmitting data blocks without prefix in the guard interval, said data blocks are demodulated by means of fft with a length greater or equal the symbol period |
| 06/29/2000 | WO2000038386A1 Method for suppressing narrow frequency bands |
| 06/29/2000 | WO2000038385A1 Quadrature receiver, communication system, signal processor, method of calculating direct current offset, and method of operating a quadrature receiver |
| 06/29/2000 | WO2000038363A1 Coding having peak power suppressing capability and error correcting capability in multi-carrier transmission and its decoding |
| 06/29/2000 | WO2000038343A1 Automatic frequency control loop multipath combiner for a rake receiver |
| 06/29/2000 | WO2000038334A1 Transmission circuit of a radio frequency signal |
| 06/29/2000 | WO2000038333A1 Interleaving/deinterleaving device and method for communication system |
| 06/29/2000 | DE19860402A1 Verfahren und Schaltungsanordnung zur Demodulation eines digitalen frequenzmodulierten Signals Method and circuit for demodulating a digital frequency-modulated signal |
| 06/29/2000 | DE19858106A1 Empfänger und Verfahren zum Verhindern einer Zwischensymbolstörung in einem Hochgeschwindigkeitsübertragungssystem Receiver and method for preventing intersymbol interference in a high speed transmission system |
| 06/29/2000 | DE19858099A1 Demodulator circuit for ASK modulated signal, has amplitude limiter, envelope curve detector, differentiating element, band pass filter, comparator, logic output circuit |
| 06/29/2000 | DE19857821A1 Verfahren und Kommunikationsanordnung zur Übermittlung von Informationen mit Hilfe eines Multiträgerverfahrens Method and communication system for transmitting information using a multi-carrier method |
| 06/29/2000 | CA2356183A1 Method for suppressing narrow frequency bands |
| 06/29/2000 | CA2292859A1 Demodulator arrangement, method to demodulate, and telecommunication system comprising such a demodulator arrangement |
| 06/28/2000 | EP1014722A2 Method and apparatus for filtering interference and nonlinear distortions |
| 06/28/2000 | EP1014640A2 Multicarrier transmission on power lines |
| 06/28/2000 | EP1014639A2 OFDM transmission/reception apparatus with selection of the optimal guard interval length |
| 06/28/2000 | EP1014638A1 Synchronisation techniques for OFDM communications systems |
| 06/28/2000 | EP1014637A1 Direct conversion receiver for FSK modulated signals |
| 06/28/2000 | EP1014636A2 Symbol synchronisation, channel estimation, and impulse response shortening in a multicarrier receiver |
| 06/28/2000 | EP1014609A1 Communication method, transmitter, and receiver |
| 06/28/2000 | EP1014591A2 Linearizing circuit for a transmitter |
| 06/28/2000 | EP1014590A2 Optimal complementary punctured convolutional codes |
| 06/28/2000 | EP1014562A1 Demodulator and method for the demodulation of modulated RF signals |
| 06/28/2000 | EP1013043A1 Adaptive bit allocation for variable bandwidth multicarrier communication |
| 06/28/2000 | EP1013042A1 Prototype signal construction for multicarrier transmission |
| 06/28/2000 | EP1013041A1 Fsk production by modification of antenna impedance |
| 06/28/2000 | EP1013040A1 Data transmission method and radio system |
| 06/28/2000 | EP1012991A1 Receiver apparatus, and associated method, for receiving a receive signal transmitted upon a channel susceptible to interference |
| 06/28/2000 | EP1012985A1 Device and method for data encoding and frequency diversity in mobile communications system |
| 06/28/2000 | EP1012967A1 A linear rf power amplifier with optically activated switches |
| 06/28/2000 | EP1012966A2 Apparatus and method for block phase estimation |
| 06/28/2000 | EP1012962A1 Multi-carrier transmitting apparatus and method |
| 06/28/2000 | EP1012729A2 A modem implemented in software for operation on a general purpose computer in a non-real-time environment |
| 06/28/2000 | EP0937332B1 Frequency modulator |
| 06/28/2000 | CN1258403A Method and transmitter device for transmitting data symbols from user signals via radio interface of mobile communication system |
| 06/28/2000 | CN1258396A Integrable radio receiver circuit for frequency-modulated digital signals |
| 06/28/2000 | CN1258146A Time-division multiplex buffering |
| 06/28/2000 | CN1258145A 1 : N redundance in communication system |
| 06/28/2000 | CN1258143A Orthogonal frequency-division multiplex communication apparatus and method |
| 06/28/2000 | CN1258140A Radio communication with multiple transmitting modes |
| 06/28/2000 | CN1258137A Demand assignment multiple access technique |
| 06/27/2000 | US6081698 Radio apparatus and offset compensating method |
| 06/27/2000 | US6081697 Multi-carrier radio system and radio transceiver implementation |
| 06/27/2000 | US6081567 Method and apparatus for synchronizing a data communication system to a periodic digital impairment |