| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 02/24/1999 | CN1209236A Point-multi point radio transmission system |
| 02/24/1999 | CN1209223A Digital calibration of a transceiver |
| 02/24/1999 | CN1209010A Double balance modulator and four phase phase-shift modulator |
| 02/24/1999 | CN1209007A Equalizing method for OFDM receiver and equalizer |
| 02/24/1999 | CN1209001A Equalizing method and equalizer for OFDM receiver |
| 02/23/1999 | US5875396 Multichannel radio frequency transmission system to deliver wideband digital data into independent sectorized service areas |
| 02/23/1999 | US5875216 For a wireless receiver |
| 02/23/1999 | US5875215 For use in a receiver |
| 02/23/1999 | US5875213 GMSK communication device test system |
| 02/23/1999 | US5875212 Phase demodulation method and apparatus for a wireless LAN, by counting the IF period |
| 02/23/1999 | US5875208 Delay compensation in a discrete multitone spread spectrum communications system |
| 02/23/1999 | CA2154795C An apparatus and method for digitally processing signals in a radio frequency communication system |
| 02/23/1999 | CA2132442C Instantaneous phase detecting circuit and clock recovery signal generating circuit incorporated in differential demodulator |
| 02/23/1999 | CA2074277C Adaptative equalization method reducing intersymbol interference and related receiver device and application |
| 02/18/1999 | WO1999008437A2 Method for synchronization on a qpsk signal carrier |
| 02/18/1999 | WO1999008427A1 Method and device for combined measurement of the beginning of a data block and carrier frequency shift in a multicarrier transmission system in f classes |
| 02/18/1999 | WO1999008426A1 Non-coherent six-port receiver |
| 02/18/1999 | WO1999008414A1 Method and system for rapid initial signal detection in a wireless communications system |
| 02/18/1999 | WO1999008393A1 Calibration of n-port receiver |
| 02/18/1999 | WO1999008376A1 Static viterbi detector for channels utilizing a code having time varying constraints |
| 02/18/1999 | WO1998040972A3 Code division multiple access communication system |
| 02/18/1999 | DE19735216A1 Multicarrier signal transmission method |
| 02/18/1999 | CA2297287A1 Method and system for rapid initial signal detection in a wireless communications system |
| 02/17/1999 | CN1208528A Transmitter |
| 02/17/1999 | CN1208517A Re-orthogonalization of wideband CDMA signals |
| 02/16/1999 | US5872960 Integrated circuit having CPU core operable for switching between two independent asynchronous clock sources of different frequencies while the CPU continues executing instructions |
| 02/16/1999 | US5872817 Joint viterbi decoder and decision feedback equalizer |
| 02/16/1999 | US5872815 Apparatus for generating timing signals for a digital television signal receiver |
| 02/16/1999 | US5872812 Carrier reproducing circuit including region deciding circuitry |
| 02/16/1999 | US5872806 Spread spectrum signal transmission method and system and also transmitter and receiver for use with the method and system |
| 02/16/1999 | US5872801 Method of compensating for doppler error in a wireless communications system, such as for GSM and IS54 |
| 02/16/1999 | US5872538 Frequency domain correction of I/Q imbalance |
| 02/16/1999 | US5872480 Programmable down-sampler having plural decimators and modulator using same |
| 02/15/1999 | CA2213156A1 One bit digital quadrature vector modulator |
| 02/11/1999 | WO1999007162A1 Power conservation for pots and modulated data transmission |
| 02/11/1999 | WO1999007122A1 Biphase modulator with balun design |
| 02/11/1999 | WO1999007119A2 Truncated maximum likelihood sequence estimator for wireless local area networks |
| 02/11/1999 | WO1999007099A2 Device for the rapid digital generation of a digital signal with predeterminable phase angle using a reference carrier signal |
| 02/11/1999 | WO1999007098A2 Method and device for the rapid synchronization of two carrier signals |
| 02/11/1999 | WO1999007093A2 Wireless broadband transmitter for a signal consisting of a plurality of digitally modulated carriers |
| 02/11/1999 | WO1999007090A1 Method and apparatus for transmitting signals in a communication system |
| 02/11/1999 | WO1999007089A1 Rapidly decorrelating spreading sequences for ds-cdma transceivers |
| 02/11/1999 | WO1999006939A2 Circuit for manipulation-protected reception of an ook-modulated signal |
| 02/11/1999 | WO1998052312A3 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system |
| 02/11/1999 | DE19835418A1 Digital message transmission reception unit |
| 02/11/1999 | DE19821291C1 Demodulator for frequency-modulated signals |
| 02/11/1999 | DE19733825A1 Verfahren und Anordnung zur kombinierten Messung des Anfangs eines Datenblocks und des Trägerfrequenzversatzes in einem Mehrträgerübertragungssystem für unregelmäßige Übertragung von Datenblöcken Method and arrangement for the combined measurement of the beginning of a data block and the carrier frequency offset in a multi-carrier transmission system for irregular transfer of data blocks |
| 02/11/1999 | DE19733732A1 Verfahren zur Unterstützung der einfachen Synchronisierung auf den Träger eines energieverwischten QPSL-Signals A method of supporting simple synchronization on the support of a energieverwischten QPSL signal |
| 02/11/1999 | CA2298802A1 Arrangement for the rapid digital generation of a digital signal having a predeterminable phase angle using a reference carrier signal |
| 02/11/1999 | CA2298797A1 Methods and arrangements for fast synchronization of two carrier signals |
| 02/11/1999 | CA2297759A1 Biphase modulator with balun design |
| 02/10/1999 | EP0896458A1 QAM de-mapping circuit |
| 02/10/1999 | EP0896457A1 Symbol synchronization for MCM signals with guard interval |
| 02/10/1999 | EP0896456A1 Pulse shaping for the control of the amplitude variation of PSK signals |
| 02/10/1999 | EP0896455A1 Non-coherent 6-port receiver |
| 02/10/1999 | EP0896440A2 Diversity receiver for radio communication system and method |
| 02/10/1999 | EP0896433A2 ASK modulator |
| 02/10/1999 | EP0896425A2 Receiving apparatus for digital broadcasting |
| 02/10/1999 | EP0896424A1 Time-share I-Q mixer system with distribution switch feeding in-phase and quadrature polarity inverters |
| 02/10/1999 | EP0895683A1 System for radio transmission of digital signals between a plurality of subscriber stations and a base station |
| 02/10/1999 | EP0716789A4 Communication system for communicating with a plurality of selective call receivers and method therefor |
| 02/10/1999 | CN1207846A Filtering in receiver that uses log-polar signal processing |
| 02/10/1999 | CN1207845A Phase modulator efficienty utilizing waveform storing section |
| 02/10/1999 | CN1207626A Telephone apparatus |
| 02/10/1999 | CN1207621A Modulator |
| 02/09/1999 | US5870593 Method and programmable device for generating variable width pulse trains |
| 02/09/1999 | US5870439 Satellite receiver tuner chip having reduced digital noise interference |
| 02/09/1999 | US5870438 Fast resynchronization system for high-speed data transmission |
| 02/09/1999 | US5870429 Apparatus method, and software modem for utilizing envelope delay distortion characteristics to determine a symbol rate and a carrier frequency for data transfer |
| 02/09/1999 | US5868806 Abrasive tape and method of producing the same |
| 02/07/1999 | CA2243447A1 Single-channel and multichannel coherent demodulation devices with no controller, and corresponding reception set with several paths of variety |
| 02/04/1999 | WO1999005869A2 Adaptive pre-equalization apparatus for correcting linear distortion of a non-ideal data transmission system |
| 02/04/1999 | WO1999005866A1 Television signal data transmission system |
| 02/04/1999 | WO1999005861A2 Reception of modulated carriers having asymmetrical sidebands |
| 02/04/1999 | WO1999005835A1 Circuit for detecting the phase of received signal |
| 02/04/1999 | WO1999005834A1 Signal point arrangement dispersion calculation circuit |
| 02/04/1999 | WO1999005787A1 Adaptively equalized burst receiver and method for upstream broadband data |
| 02/04/1999 | WO1999005781A1 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal |
| 02/04/1999 | DE19732895A1 Anordnung zur schnellen digitalen Erzeugung eines digitalen Signals mit vorgebbarer Phasenlage mit Hilfe eines Referenz-Trägersignals An arrangement for high-speed digital generation of a digital signal with a predeterminable phase position with the aid of a reference carrier signal |
| 02/04/1999 | DE19732894A1 Verfahren und Anordnung zum schnellen Synchronisieren zweier Trägersignale Method and apparatus for quickly synchronizing two carrier signals |
| 02/04/1999 | DE19732643A1 Schaltungsanordnung zum manipuliergeschützten Empfangen eines OOK-modulierten Signals Circuitry for receiving a manipuliergeschützten OOK modulated signal |
| 02/04/1999 | CA2297734A1 Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal |
| 02/04/1999 | CA2296556A1 Television signal data transmission system |
| 02/04/1999 | CA2295969A1 Adaptively equalized burst receiver and method for upstream broadband data |
| 02/04/1999 | CA2244609A1 Digital modulation process, and modulator implementing the process |
| 02/03/1999 | EP0895389A2 A digital transmission system with high immunity to dynamic linear distortion |
| 02/03/1999 | EP0895388A2 Symbol synchronisation and mode detection for multicarrier signals |
| 02/03/1999 | EP0895387A1 Detection of the transmission mode of a DVB signal |
| 02/03/1999 | EP0895386A1 Carrier control circuit for a receiver of digital transmitted signals |
| 02/03/1999 | EP0895384A2 Sequence estimation method and sequence estimator |
| 02/03/1999 | EP0895383A2 Channel impulse response estimator for a Viterbi equalizer |
| 02/03/1999 | EP0894390A1 Digital radio frequency interference canceller |
| 02/03/1999 | EP0894389A1 Mitigation of radio frequency interference in multi-carrier transmission |
| 02/03/1999 | EP0894388A1 Pilot-symbol-assisted radiotelephone communications |
| 02/03/1999 | EP0894368A1 Method and apparatus for interference decorrelation in time and space |
| 02/03/1999 | EP0894367A1 Method and apparatus for interference rejection with different beams, polarizations, and phase references |
| 02/03/1999 | EP0894364A1 Radio frequency noise canceller |
| 02/03/1999 | CN1206970A Bidirectional equalization transmitting and receiving equipment |
| 02/03/1999 | CN1206966A Method for receiving multiple carrier digital signal |
| 02/02/1999 | US5867776 Receiver for receiving text-based multiplex broadcasts |