| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 04/14/1999 | EP0908015A2 Wireless receiver with offset compensation using flash-adc |
| 04/14/1999 | CN1213943A Radio communication system |
| 04/14/1999 | CN1213920A Method and circuit arrangement for correction of phase and/or frequency errors in digital multicarrier signals |
| 04/14/1999 | CN1213919A Decision feedback equalizer with intelligently selecting tap coefficient |
| 04/14/1999 | CN1213914A Correlation detecting apparatus its detecting method and communication apparatus and its communication method |
| 04/14/1999 | CN1213904A Transceiver |
| 04/14/1999 | CN1213903A Sampling control loop for receiver for digitally transmitted signals |
| 04/14/1999 | CN1213889A 调制系统 Modulation System |
| 04/13/1999 | US5894593 Method and apparatus for enhancing the detection of the presence of an FM signal using a coded pattern |
| 04/13/1999 | US5894499 Direct conversion receiver having filter with cut-off frequency switching means |
| 04/13/1999 | US5894498 Method and apparatus for analyzing a composite carrier signal |
| 04/13/1999 | US5894497 Reducing spurious modulation products in broadband multicarrier transmission by coherrent summation of the outputs of dissimilar digital-to analog device types |
| 04/13/1999 | US5894494 Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals |
| 04/13/1999 | US5894334 Carrier recovery system for a vestigial sideband signal |
| 04/13/1999 | US5894249 Digital and analog modulator in a simplified circuit structure |
| 04/13/1999 | CA2167742C Modulator-demodulator device capable of detecting an unsynchronized frame state |
| 04/13/1999 | CA2133600C Synchronous adder device |
| 04/13/1999 | CA2126953C Dual port interface for a computer-based multifunction personal communication system |
| 04/13/1999 | CA2120094C Direct phase digitizing apparatus and method |
| 04/09/1999 | CA2242075A1 4-level fsk demodulator |
| 04/08/1999 | WO1999017511A1 Adjustment of the sampling frequency in a multicarrier receiver |
| 04/08/1999 | WO1999017510A1 Pilot signal search method |
| 04/08/1999 | WO1999017509A1 Symbol mappings for coded modulations |
| 04/08/1999 | WO1999017508A1 Fsk demodulator using a super linear integrator |
| 04/08/1999 | WO1999017493A1 Fft window position recovery apparatus and method for ofdm system receiver |
| 04/08/1999 | WO1999017492A1 Guard section length detecting device and method for orthogonal frequency division multiplexing system receiver |
| 04/08/1999 | WO1999017491A2 Communications system for multichannel transmission with carrier modulation |
| 04/08/1999 | WO1999007099A3 Device for the rapid digital generation of a digital signal with predeterminable phase angle using a reference carrier signal |
| 04/08/1999 | WO1999007098A3 Method and device for the rapid synchronization of two carrier signals |
| 04/08/1999 | WO1999006939A3 Circuit for manipulation-protected reception of an ook-modulated signal |
| 04/08/1999 | WO1999005869A3 Adaptive pre-equalization apparatus for correcting linear distortion of a non-ideal data transmission system |
| 04/08/1999 | WO1999004521A3 A method and apparatus for segmentation and reassembly of packets/cells over satellite/wireless networks |
| 04/08/1999 | WO1999004339A3 Method and apparatus for improving asynchronous transfer mode operation over noisy, high speed wireless links |
| 04/08/1999 | DE19748030A1 Verfahren zur Suche nach Pilottönen Method to search for pilot tones |
| 04/08/1999 | DE19742670A1 Verfahren, Empfänger und Mehrträger-QAM-System zur Demodulation eines analogen Mehrträger-QAM-Signals Method, receiver and multi-carrier QAM system for demodulating an analog multi-carrier QAM signal |
| 04/08/1999 | CA2305425A1 Fsk demodulator using a super linear integrator |
| 04/08/1999 | CA2245924A1 A method of identifying agonists and antagonists for tumor necrosis related receptors tr1, tr3 and tr5 |
| 04/07/1999 | EP0907276A1 Adaptive pre-distortion apparatus for linearizing an amplifier output within a data transmission system |
| 04/07/1999 | EP0906681A1 Improved coding system for digital transmission compression |
| 04/07/1999 | EP0906676A1 Method and apparatus for implementing a wireline transmission connection |
| 04/07/1999 | EP0906669A1 Method and apparatus for data transmission using multiple transmit antennas |
| 04/07/1999 | EP0906656A2 Dsp implementation of a cellular base station receiver |
| 04/07/1999 | CN1213472A Process and system for OFDM multi-carrier transmission of digital radio signals |
| 04/07/1999 | CN1042886C Method for transmitting and receiving original information signal |
| 04/06/1999 | US5892879 Communication system for plural data streams |
| 04/06/1999 | US5892803 Determination of symbol sample timing using soft decisions |
| 04/06/1999 | US5892799 Method in connection with a QAM receiver and an improved QAM receiver |
| 04/06/1999 | US5892798 Modulated clock MSK modulator for high data rate applications |
| 04/06/1999 | CA2173785C Automatic frequency control circuit applicable to a mobile communication system |
| 04/06/1999 | CA2156149C Battery-powered accessory for radio data communication of a data processing apparatus |
| 04/06/1999 | CA2154180C Multiple-modulation communication system |
| 04/01/1999 | WO1999016240A1 Method of operating the channel equalizer in a receiver for dtv signals subject to co-channel ntsc interference |
| 04/01/1999 | WO1999016224A1 Reduced complexity bit allocation to subchannels in a multi-carrier, high speed data transmission system |
| 04/01/1999 | WO1999016223A1 Modulator/demodulator and modulation/demodulation method |
| 04/01/1999 | WO1999003227A3 Method for eliminating interference in an ofdm radio receiver |
| 04/01/1999 | WO1999001933A3 Multiple mode direct conversion receiver |
| 04/01/1999 | WO1998059471A3 Method and apparatus for digital compensation of radio distortion in a wireless communication system |
| 04/01/1999 | DE19743167A1 Kommunikationssystem Communication system |
| 03/31/1999 | EP0905948A2 Rate adaptation for ADSL using a variable number of subcarriers |
| 03/31/1999 | EP0905917A2 Multimode wireless communication system |
| 03/31/1999 | EP0904650A2 Transmitter for qam encoded data |
| 03/31/1999 | EP0904639A1 Wide-area wireless distribution system |
| 03/31/1999 | EP0904635A1 An apparatus, method and article of manufacture for carrier frequency compensation in an fm radio |
| 03/31/1999 | EP0692162B1 Method and apparatus for providing a communication link quality indication |
| 03/31/1999 | CN1212594A Communication method, transmission and reception apparatuses, and cellular radio communication system |
| 03/31/1999 | CN1212588A Receiving apparatus, transmitting/receiving apparatus, and communicating method |
| 03/31/1999 | CN1212581A NTSC interference detectors using comb filters that suppress DTV pilot carrier to extract NTSC artifacts |
| 03/31/1999 | CN1212547A Phase estimating circuit and demodulating circuit |
| 03/31/1999 | CN1212546A Method for generating multimodulation frame and modulator for carrying out said method |
| 03/31/1999 | CN1212545A Sampler capable of reducing sampling rate and sampling method for digital demodulator |
| 03/31/1999 | CN1042781C Multi-modulation scheme compatible radio device |
| 03/30/1999 | US5890057 Modulation signal calibration between modem and radio using loopback |
| 03/30/1999 | US5889826 Apparatus and method for diversity combining |
| 03/30/1999 | US5889822 Signal processor with reduced complexity, and receiver comprising such a signal processor |
| 03/30/1999 | US5889819 EMI reduction using double sideband suppressed carrier modulation |
| 03/30/1999 | US5889783 Data communication |
| 03/30/1999 | US5889759 OFDM timing and frequency recovery system |
| 03/30/1999 | US5889443 Frequency synthesizing circuit using a phase-locked loop |
| 03/30/1999 | CA2124114C Digital demodulator |
| 03/30/1999 | CA2122741C Error detector circuit and method therefor |
| 03/29/1999 | CA2248480A1 Digital signal processing apparatus |
| 03/25/1999 | WO1999014914A1 Afc circuit, carrier reproducing circuit, and receiver |
| 03/25/1999 | WO1999014913A1 Method for receiving-end automatic identification of a signal transmitted in qam-mode, and circuit for carrying out said method |
| 03/25/1999 | WO1999014878A1 A method of and apparatus for transmitting data in a multiple carrier system |
| 03/25/1999 | WO1999014875A2 An improved threshold extension block phase estimator for quasi-coherent communications systems |
| 03/25/1999 | WO1999014874A1 Method and device for change of reception frequency in a digital audio broadcasting system receiver |
| 03/25/1999 | WO1999014859A1 A post-filtered δσ for controlling a phase locked loop m odulator |
| 03/25/1999 | WO1999014852A1 Filtering arrangement and slope detector for quadrature amplitude modulated signals |
| 03/25/1999 | WO1998059506A3 Improvements in or relating to information distribution |
| 03/25/1999 | DE19741181A1 Filter device for demodulated quadrature amplitude modulated signal |
| 03/25/1999 | CA2303938A1 Method and device for change of reception frequency in a digital audio broadcasting system receiver |
| 03/24/1999 | EP0903899A2 Method and apparatus for evaluating Multifrequency tone signals using an adaptive wave digital notch filter |
| 03/24/1999 | EP0903898A2 Equalizing method and equalizer for OFDM receiver |
| 03/24/1999 | EP0903897A1 Method and arrangement to determine a clock timing error in a multi-carrier transmission system and related synchronisation units |
| 03/24/1999 | EP0903884A2 Phase estimating circuit and demodulating circuit |
| 03/24/1999 | EP0903846A2 Double-balanced modulator and quadri-phase shift keying device |
| 03/24/1999 | EP0903689A1 Demodulator for contactless chip card |
| 03/24/1999 | EP0903016A2 Code division multiple access communication system |
| 03/24/1999 | EP0903012A1 Method and apparatus for performing bandedge equalization |
| 03/24/1999 | EP0852087B1 Method for the common transmission of digital and analogue modulated radio broadcasting and/ or television broadcasting signals |