| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 01/22/1998 | WO1997045963A3 A receiver, a demodulator, and a demodulation method |
| 01/21/1998 | EP0820174A2 Receiver for carrierless AM-PM with frequency domain equaliser |
| 01/21/1998 | EP0820173A2 QAM receiver with baseband compensation for phase and frequency errors |
| 01/21/1998 | EP0820172A2 Data transmission by multicarrier modulation using a higher power for reference symbols |
| 01/21/1998 | EP0820171A1 Multicarrier transmitter or receiver with phase rotators |
| 01/21/1998 | EP0820168A2 Multimode modem, and protocols therefor |
| 01/21/1998 | EP0819348A1 A demodulator for transmission systems and use of such a demodulator |
| 01/21/1998 | EP0819343A1 A method and a circuit of self calibrating and testing qpsk transceivers |
| 01/21/1998 | EP0727112A4 Dual-mode wireless unit with two spread-spectrum frequency bands |
| 01/20/1998 | US5710990 Transmitter which adjusts peak-to-average power of a multicarrier signal by switching between a group of channels and a phase-adjusted group of channels |
| 01/20/1998 | US5710799 Cross polarization interference canceler and cross polarization interference eliminating apparatus using the same |
| 01/20/1998 | US5710798 System for wireless transmission and receiving of information and method of operation thereof |
| 01/20/1998 | US5710796 Method and receiver for determining a phase error in a radio-frequency signal |
| 01/20/1998 | US5710795 Received signal decision apparatus for digital modulated signal receiver |
| 01/20/1998 | US5710794 Initial phase-loading circuit for a fractionally-spaced linear equalizer |
| 01/20/1998 | US5710793 Error signal quantization method and hardware for mixed blind and decision directed equalization |
| 01/20/1998 | US5710792 Adaptive equalizer |
| 01/20/1998 | US5710790 Communication arrangement with improved echo and noise suppression in a channel containing quantization |
| 01/20/1998 | US5710785 Sequential decoder having short synchronization recovery time |
| 01/20/1998 | US5710768 Method of searching for a bursty signal |
| 01/20/1998 | US5710754 Multiplex transmission system wherein analog signal is transformed to base band random-transformed and superimposed on dispersed signal points in vector signal space |
| 01/20/1998 | US5709598 Abrasive tape and method of producing the same |
| 01/15/1998 | WO1998001981A1 Method and apparatus for compensating for a varying d.c. offset in a sampled signal |
| 01/15/1998 | WO1998001945A1 Method and apparatus for reducing intermodulation distortion in digital wideband transmission systems |
| 01/15/1998 | CA2259161A1 Method and apparatus for reducing intermodulation distortion in digital wideband transmission systems |
| 01/14/1998 | EP0818904A2 Timing recovery for DAB receivers |
| 01/14/1998 | CN1170486A Method at OFDM-reception for correction of frequency, time window, sampling clock, and slow phase variation |
| 01/13/1998 | US5708973 Radio system with frequency optimization |
| 01/13/1998 | US5708682 Demodulator control system and a receiver capable of quickly acquiring a desired carrier wave |
| 01/13/1998 | US5708681 Hybrid analog/digital method and apparatus for controlling the transmission power level of a radio transceiver |
| 01/12/1998 | CA2209984A1 Improvements in or relating to radio receivers |
| 01/08/1998 | WO1998000953A1 Method for simplifying the demodulation in multiple carrier transmission system |
| 01/08/1998 | WO1998000946A2 Timing and frequency synchronization of ofdm signals |
| 01/08/1998 | WO1998000929A1 Device and method for radio transmitters |
| 01/08/1998 | WO1998000908A1 Circuit arrangement comprising a cartesian amplifier |
| 01/08/1998 | WO1998000906A1 Method and device for use with phase modulated signals |
| 01/08/1998 | DE19726045A1 Battery-saving radio pager for reception of variable encoding formats |
| 01/08/1998 | DE19651720A1 Digital modulator e.g. for CATV |
| 01/08/1998 | CA2258349A1 Method and device for use with phase modulated signals |
| 01/07/1998 | EP0817442A2 Carrier recovery in quadrature receivers |
| 01/07/1998 | EP0817399A2 Polling in a mains metering system |
| 01/07/1998 | EP0817369A2 Method of up-converting and up-converter with pre-compensation filter |
| 01/07/1998 | EP0817368A1 Balanced modulator |
| 01/07/1998 | EP0817257A1 Integrated circuit containing devices dielectrically isolated and junction isloated from a substrate |
| 01/07/1998 | EP0815677A1 Multicarrier communication system and method for peak power control |
| 01/07/1998 | EP0815676A1 Single oscillator compressed digital information receiver |
| 01/07/1998 | EP0587620B1 Radio system |
| 01/07/1998 | CN1169800A Wireless digital communication device, and pulse shaping network |
| 01/07/1998 | CN1169631A Digital communication demodulator, digital communication demodulation method and digital demodulation circuit |
| 01/06/1998 | US5706313 Soft decision digital communication method and apparatus |
| 01/06/1998 | US5706312 Trellis coded modulation employing lower dimensionality convolutional encoder |
| 01/06/1998 | US5706311 Modulator circuit |
| 01/06/1998 | US5706310 Wide bandwidth loop in a frequency shift keying (FSK) system |
| 01/06/1998 | US5706307 Method and arrangement for the determination of the ratio for common-channel or adjacent-channel interferers in digital mobile communication networks |
| 01/06/1998 | US5706057 Phase detector in a carrier recovery network for a vestigial sideband signal |
| 01/06/1998 | US5705958 Apparatus for correcting quadrature error in a modulator and/or in a demodulator for a signal having a plurality of phase states, a corresponding transmitter, and a corresponding receiver |
| 01/06/1998 | US5705949 Compensation method for I/Q channel imbalance errors |
| 01/06/1998 | US5705945 Synthesizable architecture for all-digital minimal jitter frequency synthesizer |
| 01/06/1998 | CA2056606C Communication system and demodulator used in communication system |
| 01/02/1998 | DE19625054A1 Multi carrier signal transmission method |
| 01/02/1998 | DE19624192A1 Digital control data transmission method for model railway |
| 12/31/1997 | WO1997050218A1 Trellis coded qam using rate compatible, punctured, convolutional codes |
| 12/31/1997 | WO1997050202A2 Method and apparatus for communicating information |
| 12/31/1997 | WO1997050187A1 Satellite receiver |
| 12/31/1997 | WO1997042741A3 A receiver, a demodulator, and a demodulation method |
| 12/31/1997 | CN1169225A Data adapter |
| 12/31/1997 | CN1169220A Ultrawide-band communications system and method |
| 12/31/1997 | CN1169073A Receiver |
| 12/31/1997 | CA2258002A1 Method and apparatus for communicating information |
| 12/30/1997 | US5703914 Clock recovery circuit employing delay-and-difference circuit and pulse-sequence detection |
| 12/30/1997 | US5703913 Timing signal generator |
| 12/30/1997 | US5703911 Decoding method for trellis codes with large free distances |
| 12/30/1997 | US5703910 Digital radio receiver |
| 12/30/1997 | US5703909 Programmable voltage controlled attenuator |
| 12/30/1997 | US5703908 Fixed reference shift keying modulation for mobile radio telecommunications |
| 12/30/1997 | US5703527 Frequency modulated signal demodulator circuit and communication terminal equipment |
| 12/30/1997 | US5703526 Circuit for detecting the locked condition of PSK or QAM demodulators |
| 12/30/1997 | US5703525 Low cost system for FSK demodulation |
| 12/30/1997 | US5703518 Absolute value circuit capable of providing full-wave rectification with less distortion |
| 12/30/1997 | CA2063526C Carrier recovery control with sequential fec sync detection and frame sync detection |
| 12/29/1997 | EP0814587A2 Pulse shaping for multicarrier systems |
| 12/29/1997 | EP0814586A2 Frame, clock, frequency and phase synchronisation, using a unique word |
| 12/29/1997 | EP0814565A2 Vector trellis coded modulation using vector convolutional codes for reliable data transmission |
| 12/29/1997 | EP0813768A1 Slope, drift and offset compensation in zero-if receivers |
| 12/24/1997 | WO1997049216A1 Improved coding system for digital transmission compression |
| 12/24/1997 | WO1997049212A2 Apparatus and method of determining symbol rate and a carrier frequency |
| 12/24/1997 | WO1997049208A1 Multi-carrier transmission system adapted for packet data transfer |
| 12/24/1997 | WO1997049171A2 Dsp implementation of a cellular base station receiver |
| 12/24/1997 | CN1168588A Transmission apparatus |
| 12/24/1997 | CN1168575A Modulation-demodulation signal, transmitter transmitting method and its transmitting system |
| 12/24/1997 | CN1168574A Digital radio communication system having reduced phase-locked loop, and its synchronization |
| 12/24/1997 | CA2258682A1 Improved coding system for digital transmission compression |
| 12/23/1997 | US5701332 Detector of the presence of a sequence of FSK modulated signals arriving on a modem |
| 12/23/1997 | US5701106 Method and modulator for modulating digital signal to higher frequency analog signal |
| 12/23/1997 | CA2089620C Carrier regenerating device correctly operable in mobile satellite communication |
| 12/18/1997 | WO1997048219A2 Transmitter for qam encoded data |
| 12/18/1997 | WO1997048206A1 Method and apparatus for implementing a wireline transmission connection |
| 12/18/1997 | WO1997048204A1 Multi-carrier transmission system utilizing channels with different error rates |
| 12/18/1997 | WO1997048197A3 Communication system with multicarrier telephony transport |
| 12/18/1997 | WO1997048197A2 Communication system with multicarrier telephony transport |