| Patents for H04L 25 - Baseband systems (55,083) |
|---|
| 07/21/1999 | EP0930713A1 Decoding of a biphase modulated bitstream and relative selfsynchronizing frequency divider with noninteger ratio |
| 07/21/1999 | EP0930710A2 Clock signal detection circuit |
| 07/21/1999 | CN1223769A Data transmission |
| 07/21/1999 | CN1223757A System for radio transmission of digital signals between a plurality of subscriber stations and a base station |
| 07/21/1999 | CN1223515A Rate changeable communication system and receiving/transmitting device adated to said system |
| 07/20/1999 | US5926511 Process for the coherent demodulation of a reception signal |
| 07/20/1999 | US5926505 Device, system, and method for modem communication utilizing two-step mapping |
| 07/20/1999 | US5926504 Electrical circuit for selectively connecting a repeater to a DTE port |
| 07/20/1999 | US5926301 Method and apparatus for optical wireless communication |
| 07/20/1999 | US5926031 High speed digital bus termination |
| 07/15/1999 | WO1999035780A1 Impedance modulation signalling |
| 07/15/1999 | WO1999035769A1 Device for transmitting signals with low-interference |
| 07/15/1999 | WO1999023779A3 Composite trellis system and method |
| 07/15/1999 | WO1999022461A3 Method and receiver for transmitting data in a communication system |
| 07/15/1999 | DE19900337A1 Difference signal transmission circuit |
| 07/15/1999 | DE19801138A1 Pulse mask adjustment arrangement for ISDN data transmission |
| 07/14/1999 | EP0928514A1 Receiver capable of demodulating multiple digital modulation formats |
| 07/14/1999 | EP0702812B1 Cmos bus and transmission line receiver |
| 07/14/1999 | CN1223045A Channel estimation arrangement |
| 07/14/1999 | CN1223030A DC offset compensation method and apparatus |
| 07/13/1999 | US5923711 Data processor |
| 07/13/1999 | US5923706 Process for measuring phase jitter of a data signal |
| 07/13/1999 | US5923705 UART based autobauding without data loss |
| 07/13/1999 | US5923703 Variable suppression of multipath signal effects |
| 07/13/1999 | US5923701 Spread spectrum pulse position modulation system |
| 07/13/1999 | US5923680 Error correction in a digital transmission system |
| 07/13/1999 | US5923667 System and method for creating N-times bandwidth from N separate physical lines |
| 07/13/1999 | US5923448 Input/output unit |
| 07/13/1999 | US5923226 Automatic equalizer |
| 07/13/1999 | US5923219 Automatic threshold control circuit and signal amplifying circuit for amplifying signals by compensating for low-frequency response of photodetector |
| 07/13/1999 | US5923187 Multidirectional data transmission device |
| 07/13/1999 | CA2141351C An optical regenerator and an optical transmission system |
| 07/09/1999 | CA2258655A1 Phase detectors |
| 07/09/1999 | CA2258384A1 Data slicers |
| 07/08/1999 | WO1999034566A1 System, device and method for pcm upstream transmission utilizing an optimized transmit constellation |
| 07/08/1999 | WO1999034565A1 Device and method for precoding data signals for pcm transmission |
| 07/08/1999 | WO1999034526A1 A transmitter and a method for transmitting data |
| 07/08/1999 | WO1999034504A1 Device and method for detecting pcm upstream digital impairments in a communication network |
| 07/08/1999 | WO1999023782A3 Communications methods and apparatus |
| 07/08/1999 | WO1999023766A3 Maximum likelihood detection of concatenated space-time codes for wireless applications with transmitter diversity |
| 07/08/1999 | WO1999017453A8 Maximum likelihood sequence estimation in the presence of co-channel interference |
| 07/08/1999 | DE19755146A1 Control signal transmission method for asynchronous units |
| 07/08/1999 | CA2317547A1 System, device and method for pcm upstream transmission utilizing an optimized transmit constellation |
| 07/08/1999 | CA2317545A1 Device and method for precoding data signals for pcm transmission |
| 07/07/1999 | EP0928088A2 Transmitter-end equalistion |
| 07/07/1999 | EP0927481A1 Device, system and method for spectrally shaping transmitted data signals |
| 07/07/1999 | EP0927480A1 Interference mitigation by joint detection of cochannel signals |
| 07/07/1999 | EP0927479A1 Pulse transformer for line interfaces operating according to the echo compensation principle |
| 07/07/1999 | EP0927469A2 High speed communications system for analog subscriber connections |
| 07/07/1999 | EP0927459A2 A blind equalization having reduced complexity |
| 07/07/1999 | EP0927386A1 Transmitter and receiver circuits for high-speed parallel digital data transmission link |
| 07/07/1999 | EP0927362A1 Position determination using multiple base station signals |
| 07/07/1999 | EP0847627B1 Data decoder |
| 07/07/1999 | CN1222277A Transmitter for QAM encoded data |
| 07/06/1999 | US5920599 Soft decision decoder |
| 07/06/1999 | CA2163134C Transmission bit rate discrimination method and apparatus |
| 07/01/1999 | WO1999033238A1 Modulating a digital signal with narrow spectrum and substantially constant envelope |
| 07/01/1999 | WO1999033235A1 Computationally efficient sequence estimation |
| 07/01/1999 | WO1999033234A1 Group delay equalizer |
| 07/01/1999 | WO1999033233A1 Method and apparatus for rate conversion in a dual band gsm and d-amps radio communication equipment |
| 07/01/1999 | WO1999033216A1 A method and a device for bidirectional signalling on a monodirectional data bus |
| 07/01/1999 | WO1999033197A1 Apparatus and methods for determining signal direction from an estimated signal medium response for a ray component of a radio signal |
| 07/01/1999 | WO1999032984A2 Communications interface for serially transmitting digital data, and corresponding data transmission method |
| 07/01/1999 | DE19860094A1 Reception of RF signals in spread-spectrum data transmission system |
| 07/01/1999 | DE19756540A1 Kommunikationsschnittstelle zur seriellen Übertragung digitaler Daten und korrespondierendes Datenübertragungsverfahren Communication interface for serial transmission of digital data and corresponding data transmission method |
| 07/01/1999 | CA2316366A1 Method and apparatus for rate conversion in a dual band gsm and d-amps radio communication equipment |
| 07/01/1999 | CA2315902A1 Modulating a digital signal with narrow spectrum and substantially constant envelope |
| 06/30/1999 | EP0926855A1 Transponder for "half-duplex" communication |
| 06/30/1999 | EP0926510A1 Method of position determination of mobiles in an urban environment |
| 06/30/1999 | EP0925671A1 Data transmission method |
| 06/30/1999 | CN1221529A Packet data transmission with clash subtraction |
| 06/30/1999 | CN1221273A Method and device for detecting loss-of-signal condition at input of transmission line interface |
| 06/30/1999 | CN1221266A Bidirectional trunk amplifier and modem for cable hybrid fiber and coax network |
| 06/30/1999 | CA2256067A1 Quantizer that uses optimum decision thresholds |
| 06/29/1999 | US5918204 Speech frame disabling circuitry for protection against burst errors of interleaved TDMA frames |
| 06/29/1999 | US5917872 Single chip device for decoding analog signals carrying digital data |
| 06/29/1999 | US5917867 Method and apparatus for DC compensation |
| 06/29/1999 | US5917862 Information reproducing apparatus and its automatic equalization maximum likelihood detecting method |
| 06/29/1999 | US5917859 Method and apparatus for implementing a viterbi detector for PRML channels |
| 06/29/1999 | US5917858 Digital transmission system with symbol encoding which maximizes the signal amplitude-to-noise ratio |
| 06/29/1999 | US5917857 Digital modulation apparatus, a digital modulation method, and a recording medium therefor |
| 06/29/1999 | US5917855 Method and apparatus for detecting an original signal from a data storage device |
| 06/29/1999 | US5917853 Method of and apparatus for training high speed digital telephonic modems to obviate imperfections in the telephone channel, while simultaneously allowing conversation |
| 06/29/1999 | US5917364 Bi-directional interface circuit of reduced signal alteration |
| 06/29/1999 | US5917344 Driver circuit |
| 06/24/1999 | WO1999031837A1 Tdma wireless telephone system with independently tracked demodulation parameters |
| 06/24/1999 | WO1999031835A1 Channel estimation device, and cdma receiver and cdma transmitter/receiver having the device |
| 06/24/1999 | WO1999031817A1 Receiver with parallel correlator for spread spectrum digital transmission |
| 06/24/1999 | WO1999020061A3 Method and receiving device for estimating channels in communications systems |
| 06/24/1999 | WO1998059472A3 Filter method and apparatus for combined multiple frequency signals |
| 06/23/1999 | EP0924910A1 Method and apparatus for decoding COFDM-data |
| 06/23/1999 | EP0924909A1 Methods and apparatus for decoding DOFDM-data |
| 06/23/1999 | EP0924907A2 Multiplexed transmission using PAM |
| 06/23/1999 | EP0924906A2 Method and apparatus for coding and communicating data in noisy environments |
| 06/23/1999 | EP0924905A2 Equaliser training for multicarrier transmission |
| 06/23/1999 | EP0923821A1 Improvements in, or relating to, multi-carrier transmission systems |
| 06/23/1999 | CN1220814A Method for transmitting data between sending station and receiving station |
| 06/23/1999 | CN1220787A Method and apparatus for interference rejection combining and downlink beamforming in cellular radiocommunications system |
| 06/23/1999 | CN1220530A Link interface interconnecting two units in telecommunications system |
| 06/23/1999 | CA2254543A1 Multiported register file for burst mode coefficient updating |