Patents for H04L 27 - Modulated-carrier systems (89,721) |
---|
05/30/1996 | WO1996016492A1 System and method for wireless transmission of digital data using differentially encoded pilot words |
05/30/1996 | DE4441566A1 Verfahren zur digitalen Frequenzkorrektur bei Mehrträgerübertragungsverfahren Method of digital frequency correction for multicarrier transmission method |
05/30/1996 | DE4441323A1 Signals transmission method e.g. for mobile radio network orthogonal FDM signals |
05/30/1996 | CA2203902A1 System and method for wireless transmission of digital data using differentially encoded pilot words |
05/29/1996 | EP0714189A2 Receiver for multicarrier signals |
05/29/1996 | CN1123586A A demodulator for frequency shift keyed signals |
05/28/1996 | US5521949 Synchronization scheme for digital communications systems transporting data at a customer-controlled rate |
05/28/1996 | US5521947 Phase detection reset in phase locked loops used for direct VCO modulation |
05/28/1996 | US5521944 Circuit for a demodulator for a radio data signal in a radio receiver |
05/28/1996 | US5521943 COFDM combined encoder modulation for digital broadcasting sound and video with PSK, PSK/AM, and QAM techniques |
05/28/1996 | US5521942 Method for increasing the dynamic range of a signal in a simultaneous voice and data system by the use of overlapping signal point regions and trellis coding |
05/28/1996 | US5521939 Timing reproduction device |
05/28/1996 | US5521937 Multicarrier direct sequence spread system and method |
05/28/1996 | US5521908 In a data transmission system |
05/28/1996 | US5521906 Method and apparatus for updating carrier channel allocations |
05/28/1996 | US5521559 Signal oscillator, FM modulation circuit using the same, and FM modulation method |
05/28/1996 | US5521548 Phase detector |
05/23/1996 | WO1996015612A1 Computer-based multifunction personal communication system with caller id |
05/23/1996 | DE4394943C1 Channel quality estimation method over interval length in receiver |
05/22/1996 | EP0713337A2 Apparatus for demodulating and decoding satellite, terrestrial and cable transmitted digital television data |
05/22/1996 | EP0713306A1 VCO-based frequency modulation system and method |
05/22/1996 | EP0713299A2 Method and apparatus for transmitting an intermittent signal in a radio communication |
05/22/1996 | EP0713298A2 Transmitter and two-way radio set |
05/22/1996 | EP0712555A1 Method and apparatus for synchronization in digital transmission systems of the ofdm type |
05/22/1996 | CN2227892Y Automatic anwsering function expander for modem |
05/22/1996 | CN1123073A Method and apparatus for providing a communication link quality indication |
05/22/1996 | CN1122980A Precise detection of frequency error for bursts modulated by predetermind symbol sequence |
05/22/1996 | CN1122972A Method for processing digital and analog input singals |
05/21/1996 | US5519879 Integrated circuit having CPU and DSP for executing vector lattice propagation instruction and updating values of vector Z in a single instruction cycle |
05/21/1996 | US5519733 Method and apparatus for recovering a qam carrier |
05/21/1996 | US5519731 ADSL compatible discrete multi-tone apparatus for mitigation of T1 noise |
05/21/1996 | US5519730 Communication signal having a time domain pilot component |
05/21/1996 | US5519692 Geometric harmonic modulation (GHM)-digital implementation |
05/21/1996 | US5519625 System for characterizing phase-modulated signals using a time interval analyzer |
05/21/1996 | US5519402 Doppler shift compensation apparatus |
05/21/1996 | US5519356 Methods and apparatuses for fast decision directed carrier recovery with wide locking range |
05/21/1996 | CA2054247C Demodulation circuit for phase modulated signals |
05/17/1996 | WO1996014700A2 Agc circuit for a digital receiver |
05/15/1996 | DE19535327C1 Verfahren zur gemeinsamen Übertragung digital und analog modulierter Rundfunk- und/oder Fernsehrundfunksignalen Method for the shared transmission digital and analog modulated radio and / or television broadcasting signals |
05/15/1996 | CN1122549A Apparatus for processing BPSK signals transmitted with NTSC TV on quadrature-phase video carrier |
05/15/1996 | CA2158773A1 Method and circuit for regulating the power of and linearizing a transmission signal of a radio device |
05/14/1996 | US5517530 Method and apparatus for dual demodulation of mobile channel signals |
05/14/1996 | US5517528 Modulation method and apparatus for digital communications |
05/14/1996 | US5517433 Parallel digital data communications |
05/09/1996 | WO1996013918A1 Reducing peak-to-average variance of a composite transmitted signal generated by a digital combiner via carrier phase offset |
05/09/1996 | WO1996013917A1 Adaptive video signal distribution system |
05/09/1996 | WO1996013906A1 Method and system for data communication, using a m-ary modulation scheme and inleaving means |
05/08/1996 | EP0711056A2 Transmission bit rate discrimination method and apparatus |
05/08/1996 | EP0710908A2 A co-processor that performs multiple communication tasks on an integrated circuit |
05/08/1996 | EP0710907A2 Integrated circuit to perform multiple communication tasks |
05/08/1996 | CN1122075A Recovering analog and digital signals from superimiposed analog and digital signals using linear prediction |
05/07/1996 | US5515400 Method for arranging signal points in a quadrature amplitude modulation/demodulation system |
05/07/1996 | US5515364 Radio frequency telecommunications transceiver |
05/07/1996 | US5515197 Coherent optical multichannel receiver |
05/07/1996 | US5515013 Fixed compromise equalization for a dual port FM modulator |
05/07/1996 | US5514998 Method and system for demodulating GMSK signals in a cellular digital packet data system |
05/02/1996 | WO1996013111A1 A qam constellation which is robust in the presence of phase noise; encoder and decoder for this constellation |
05/02/1996 | WO1996013110A1 64 qam signal constellation which is robust in the presence of phase noise and has low decoding complexity |
05/02/1996 | DE19540652A1 Digitales Kommunikationsverfahren aufgrund weicher Entscheidungen und Apparat A digital communication method due to soft decisions and apparatus |
05/01/1996 | EP0710022A2 System and method for encoding digital information in a television signal |
05/01/1996 | EP0709993A2 Phase demodulation method by measuring the time between zero-crossings |
05/01/1996 | EP0709992A2 Costas loop and data identification apparatus |
05/01/1996 | EP0709991A2 Apparatus and method for adjusting microwave BPSK modulator and mixer |
05/01/1996 | EP0709990A2 Method and apparatus for digital carrier detection in a wireless lan |
05/01/1996 | EP0709980A1 Frequency synchronisation for OFDM system |
05/01/1996 | EP0709975A2 Method and apparatus for burst detecting |
05/01/1996 | EP0709008A1 A method for demodulating a digitally modulated signal and a demodulator |
05/01/1996 | EP0709007A1 Method for determining a phase error in a radio-frequency signal, and a receiver |
05/01/1996 | EP0709003A1 Adaptive coherent signal detection method and apparatus |
05/01/1996 | EP0709001A1 Modulator having direct digital synthesis for broadband rf transmission |
04/30/1996 | US5513220 Digital receiver with minimum cost index register |
04/30/1996 | US5513219 Apparatus and method for transmitting information with a subminimally modulated transmission signal |
04/30/1996 | US5513213 For use in a modem |
04/30/1996 | US5512865 Digital oversampled quadrature modulator |
04/30/1996 | US5512321 Process for coating elongated materials with multiple layers |
04/30/1996 | CA2037535C Demodulating system capable of accurately equalizing received signals using error correction codes |
04/25/1996 | WO1996012367A1 Carrier tracking loop for qpsk demodulator |
04/25/1996 | WO1996012366A1 Locally coherent qpsk detection with differential decoding for a fading channel |
04/25/1996 | WO1996012365A1 Carrier acquisition technique for mobile radio qpsk demodulator |
04/25/1996 | WO1996012361A1 Symbol synchronizer using modified early/punctual/late gate technique |
04/25/1996 | WO1996012358A1 Multiprotocol infra-red communication |
04/25/1996 | WO1996002995A3 Data transmission by frequency shift |
04/25/1996 | DE19535075A1 Quadrature amplitude modulation transmission system |
04/25/1996 | DE19535030A1 Quadrature amplitude modulation transmission system |
04/24/1996 | EP0708546A2 QAM communication method |
04/24/1996 | EP0708545A2 Narrowband QAM transmission |
04/24/1996 | EP0707767A1 Systems with increased information rates using embedded sample modulation and predistortion equalization |
04/24/1996 | EP0707766A1 Start-stop receiver |
04/24/1996 | EP0707764A1 Ofdm teletext |
04/24/1996 | EP0627141A4 High speed modem systems incorporating distribution preserving tomlinson encoding and decoding for secondary channels. |
04/24/1996 | CN1121383A Balanced modulator-transmitter |
04/24/1996 | CN1121284A Digital radio transmission-reception apparatus |
04/23/1996 | US5511236 Half duplex RF transceiver |
04/23/1996 | US5511219 Mechanism for implementing vector address pointer registers in system having parallel, on-chip DSP module and CPU core |
04/23/1996 | US5511099 Passband sync block recovery |
04/23/1996 | US5511097 Delay detection circuit |
04/23/1996 | US5511096 Quadrature amplitude modulated data for standard bandwidth television channel |
04/23/1996 | US5511092 Data recovery technique which avoids a false convergence state |
04/23/1996 | US5511091 Clock synchronization control check system |
04/23/1996 | CA2007325C Method of rapidly controlling the frequency of a coherent radio receiver and apparatus for carrying out the method |