| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 05/15/2001 | US6233276 XDSL modem having time domain filter for ISI mitigation |
| 05/15/2001 | US6233275 High speed communications system for analog subscriber connections |
| 05/15/2001 | US6232906 Quaternary FSK receiver and method of judging signals in quaternary FSK receiver |
| 05/15/2001 | US6232843 Plural coupled microwave oscillators providing phase shifted output signals |
| 05/15/2001 | US6232761 Frequency estimating system |
| 05/15/2001 | CA2325124A1 Wireless modem alignment in a multi-cell environment |
| 05/15/2001 | CA2180245C Data frame format for variable size data constellations |
| 05/15/2001 | CA2160503C Wideband vector modulator |
| 05/15/2001 | CA2155267C Pre-compensated frequency modulation (pfm) |
| 05/12/2001 | CA2324783A1 Methods and apparatus for frame synchronization in a digital audio broadcasting system |
| 05/10/2001 | WO2001033811A2 Background communication using shadow of audio signal |
| 05/10/2001 | WO2001033795A1 Apparatus and method for estimating channel phase using channel symbol reliability data |
| 05/10/2001 | WO2001033794A1 Carrier recovery and doppler frequency estimation |
| 05/10/2001 | WO2001033792A1 Radio receiver with two stages of dc offset correction, synchronisation and channel estimation |
| 05/10/2001 | WO2001033719A1 Communication device and communication method |
| 05/10/2001 | WO2001033714A1 Ultra wide band base band receiver |
| 05/10/2001 | US20010001008 Transmitter/receiver for GMSK and Offset-QAM |
| 05/10/2001 | US20010001007 Methods and device for estimating and correcting clipping in a discrete multi-tone communications system |
| 05/10/2001 | DE19952027A1 Verfahren und Empfangseinrichtung zum Verarbeiten eines nach dem Mehrfrequenzwahlverfahren erzeugten Signals Procedures and reception means for processing a signal generated by the tone dialing |
| 05/10/2001 | DE19952026A1 Verfahren zum Verarbeiten eines sinusförmigen Übertragungssignals A method for processing a sinusoidal transmission signal |
| 05/10/2001 | CA2353443A1 Method of and device for communication |
| 05/09/2001 | EP1098484A2 Multicarrier receiver, particularly for DAB |
| 05/09/2001 | EP1098483A2 Carrier recovery circuit using a loop filter and an oscillator in a Costas loop |
| 05/09/2001 | EP1098482A2 Method and System for correcting frequency offset using pilot signals |
| 05/09/2001 | EP1098467A1 Methods and devices for initialising a convolutional interleaver/deinterleaver |
| 05/09/2001 | EP1098466A1 Transmission and reception methods and device in a transmission system comprising convolutional interleaving/deinterleaving |
| 05/09/2001 | EP1098463A1 Digital subscriber's line transmitting method and device |
| 05/09/2001 | EP1098444A1 Bs digital broadcasting receiver |
| 05/09/2001 | EP1097552A1 Reduction of peak to average power ratio in multicarrier transmission |
| 05/09/2001 | EP1097508A1 Method and apparatus for compensating for distortion in iq modulators |
| 05/09/2001 | CN1294808A Communication device and method of eliminating interference in this communication device |
| 05/09/2001 | CN1294807A Radio telephone for spread-spectrum system using nonlinear modulation |
| 05/09/2001 | CN1294806A Dual-mode receiver for receiving satellite and terrestrial signals in digital broadcast system |
| 05/09/2001 | CN1294804A Pulse shaping according to modulation scheme |
| 05/09/2001 | CN1294803A Pulse shaping which compensates for component distortion |
| 05/09/2001 | CN1294777A Demodulator circuits |
| 05/09/2001 | CN1294776A Demodulator circuits |
| 05/09/2001 | CN1294775A Direct digital synthesis of precise, stable angle modulated RF signal |
| 05/09/2001 | CN1065703C HDTV signal receiver |
| 05/08/2001 | US6229862 Selective clock recovery from portions of digital data signal best suited therefor |
| 05/08/2001 | US6229843 Pilot adaptive vector correlator |
| 05/08/2001 | US6229471 Method for detecting a pulse-usable system |
| 05/08/2001 | US6229464 Pulse code modulated to DC centered VSB converter |
| 05/08/2001 | CA2206866C Orthogonal code division multiple access communication system having multicarrier modulation |
| 05/08/2001 | CA2206819C Ocdma code tracking system having phantom carrier signal |
| 05/08/2001 | CA2171998C Fast fading packet diversity transmission method and system |
| 05/08/2001 | CA2150015C Dot product circuit for multipath receivers |
| 05/03/2001 | WO2001031932A2 Method and receiver for processing a signal generated according to the multi-frequency dialing method |
| 05/03/2001 | WO2001031891A2 Method for processing a sinusoidal transmission signal |
| 05/03/2001 | WO2001031872A1 Radio communication system based on cepstral modulation |
| 05/03/2001 | WO2001031871A2 Automatic adaptation of data rate to the processing power in digital multimode transceivers |
| 05/03/2001 | WO2001031870A2 Method and apparatus for distinguishing a compact control channel from a classic control channel |
| 05/03/2001 | WO2001031868A1 Method and apparatus for communication using pulse decoding |
| 05/03/2001 | WO2001031866A2 Baseband processor with look-ahead parameter estimation capabilities |
| 05/03/2001 | WO2001031800A1 Timing recovery circuit in qam modems |
| 05/03/2001 | WO2001031798A1 Communications terminal having a receiver and method for removing known interferers from a digitized intermediate frequency signal |
| 05/03/2001 | WO2000070749A8 Broadcast transmission system with distributed correction |
| 05/03/2001 | US20010000705 Methods and apparatus for verifying transmit power levels in a signal point limited transmission system |
| 05/03/2001 | US20010000703 Transmission/reception unit with bidirectional equalization |
| 05/03/2001 | DE19946669A1 Verfahren zum Einstellen eines Phasenwinkels eines Phasenschiebers einer Sendeeinrichtung A method for adjusting a phase angle of a phase shifter of a transmitting device |
| 05/03/2001 | DE19946668A1 Sendeeinrichtung Transmitting device |
| 05/03/2001 | CA2387403A1 Method and apparatus for communication using pulse decoding |
| 05/02/2001 | EP1096748A1 Digital modulation signal measuring device and method capable of evaluating spectrum of noise component |
| 05/02/2001 | EP1096718A2 Data transmission with diversity, using several modulation schemes |
| 05/02/2001 | EP1096701A1 Data transmission on a speech channel in a mobile telephone network |
| 05/02/2001 | EP1095487A2 Source adaptive digital subscriber line and method |
| 05/02/2001 | EP1095480A1 Adsl test system |
| 05/02/2001 | EP1095446A1 Digital phase modulator using non-linear amplifiers and a ring oscillator |
| 05/02/2001 | CN1293494A Code tracking system and method of band-spread communication system |
| 05/02/2001 | CN1293493A Autogain control circuit and receiver having said circuit |
| 05/02/2001 | CN1065387C Circuit for democulating detection signal using average amplitude of detection signal |
| 05/02/2001 | CA2288358A1 Harmonic multi-tone multiplexing |
| 05/01/2001 | US6226794 Set top terminal for an interactive information distribution system |
| 05/01/2001 | US6226369 Telephone with novel FSK decoding means, simultaneous off-hook caller ID reception means, and set of configurable function key means |
| 05/01/2001 | US6226337 Method for the transmission of reference signals in an OFDM system |
| 05/01/2001 | US6226334 Methods and apparatus for implementing shell mapping techniques in the context of a PCM-based modem communication system |
| 05/01/2001 | US6226333 QAM de-mapping circuit |
| 05/01/2001 | US6226323 Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component |
| 05/01/2001 | US6226322 Analog receive equalizer for digital-subscriber-line communications system |
| 05/01/2001 | US6226319 Spread spectrum demodulation circuit, spread spectrum communication apparatus, delay-detection-type demodulation circuit, and delay-detection-type communication apparatus |
| 05/01/2001 | US6226302 Multiplex transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal space |
| 05/01/2001 | US6225936 Direct digital downconverter and method for converting an analog signal to a digital signal |
| 05/01/2001 | US6225935 Biphase-encoded signal processing employing passive and/or semi-passive transistor circuits |
| 05/01/2001 | US6225926 Intermittent digital demodulation apparatus having reduced waiting time period |
| 05/01/2001 | CA2208942C Sub-band echo canceller using optimum wavelet packets and cross-band cancellation |
| 04/28/2001 | CA2322930A1 Signal combining scheme for wireless transmission systems having multiple modulation schemes |
| 04/26/2001 | WO2001030040A1 Dynamic temperature compensation and stage selection in pilot signal acquisition |
| 04/26/2001 | WO2001030012A1 Assembly for measurement demodulation and modulation error detection of a digital modulated receive signal |
| 04/26/2001 | WO2001030003A1 Fixed ofdm wireless man utilizing cpe having internal antenna |
| 04/26/2001 | WO2001029991A2 Method, apparatus and system for high-speed transmission on fiber optic channel |
| 04/26/2001 | WO2001029987A1 AN ADAPTIVE DIGITAL BEAMFORMING RECEIVER WITH π/2 PHASE SHIFT TO IMPROVE SIGNAL RECEPTION |
| 04/26/2001 | WO2001029981A1 Wireless transceivers using two integrated filters to enhanc e dynamic range |
| 04/26/2001 | WO2001029978A1 High linearity fm demod for a 4fsk wlan transceiver |
| 04/26/2001 | WO2001006689A8 Vehicle-to-roadside communication system, roadside communication station, and on-board mobile station |
| 04/26/2001 | US20010000457 Method and apparatus for dynamic allocation of transmission bandwidth resources and for transmission of multiple audio signals with a video signal |
| 04/26/2001 | DE10049525A1 Device to calculate correlation value corresponding to frequency error; has 0th stage to correlate between reference and measurement signals and nth stage to determine frequency component signals |
| 04/26/2001 | CA2522829A1 System and method for automatic address determination in a wireless communication network |
| 04/26/2001 | CA2517936A1 System and method for data packet delivery with a framed downlink and an unframed uplink |
| 04/26/2001 | CA2517932A1 Fixed ofdm wireless man utilizing cpe having internal antenna |
| 04/25/2001 | EP1094644A2 Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system |