| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 02/01/2001 | WO2001008336A1 Multiple level modulation in a wavelength-division multiplexing (wdm) systems |
| 02/01/2001 | WO2001008319A1 Radio device with distortion compensation |
| 02/01/2001 | WO2001008316A1 Method and apparatus for data transmission |
| 02/01/2001 | WO2001008292A1 Apparatus and method for quadrature tuner error correction |
| 02/01/2001 | WO2000069080A3 Pure delay estimation |
| 02/01/2001 | WO2000063830A3 Data recovery system for radio frequency identification interrogator |
| 02/01/2001 | DE19926101A1 Error compensator for converting high frequency signals to base band feeds digitized signals of in-phase, quadrature branches to 2-channel adaptive filter, injects test signal during signal pauses |
| 02/01/2001 | DE10027216A1 Vorrichtung und Verfahren zum Modulieren einer Datennachricht durch Verwendung von Codes mit orthogonalem veränderlichem Spreizungsfaktor (OVSF) in einem Mobilkommunikationssystem Apparatus and method for modulating a data message through the use of codes with orthogonal variable spreading factor (OVSF) in a mobile communication system |
| 02/01/2001 | CA2378177A1 Method and apparatus for data transmission |
| 02/01/2001 | CA2344656A1 System and method for high speed data transmission |
| 01/31/2001 | EP1073302A1 Modulation method for transmitter |
| 01/31/2001 | EP1073274A2 Digital symbol timing recovery network |
| 01/31/2001 | EP1073241A2 Symbol synchronisation in multicarrier transmission |
| 01/31/2001 | EP1073229A1 Demodulation method for receiver |
| 01/31/2001 | EP1073224A2 Strategy for switching to Alternative Frequencies (AF) for Digital Radio Mondiale (DRM) |
| 01/31/2001 | EP1073210A1 Apparatus for spread spectrum data transmission comprising a data receiver |
| 01/31/2001 | EP1073196A2 Signal notching system for limiting signal peaks |
| 01/31/2001 | EP1072900A2 Apparatus and method for finding location of a mobile unit |
| 01/31/2001 | EP1072138A1 Method and apparatus for fine frequency synchronization in multi-carrier demodulation systems |
| 01/31/2001 | EP1072137A1 Coarse frequency synchronisation in multicarrier systems |
| 01/31/2001 | EP1072136A1 Differential coding and carrier recovery for multicarrier systems |
| 01/31/2001 | EP1072135A1 Frame structure and frame synchronisation for multicarrier systems |
| 01/31/2001 | EP1072134A1 Method and an arrangement for modulating a signal |
| 01/31/2001 | EP1072132A1 Dual-mode receiver for receiving satellite and terrestrial signals in a digital broadcast system |
| 01/31/2001 | EP1072131A1 Method for demodulating a carrier wave modulated by a digital symbol sequence |
| 01/31/2001 | EP1072116A1 A wireless internet access method and system |
| 01/31/2001 | EP1072112A2 Hybrid and all digital fm in-band-on-channel digital audio broadcasting method and system |
| 01/31/2001 | EP1072105A2 Wireless local area network spread spectrum transceiver with multipath interference mitigation |
| 01/31/2001 | EP1072099A1 Method and apparatus for tcm decoding using qpsk viterbi decoder |
| 01/31/2001 | EP1072098A1 45 degree phase ambiguity resolution for 8psk modulation |
| 01/31/2001 | EP1072091A1 Tuning system for search algorithm for a satellite receiver with lnb drift |
| 01/31/2001 | EP1072088A1 Quadrature oscillator network for transmitter |
| 01/31/2001 | EP0845178B1 Synchronisation method |
| 01/31/2001 | CN1282480A Multi-carrier method and device for implementing said method |
| 01/31/2001 | CN1282479A Synchronization techniques and systems for radiocommunication |
| 01/31/2001 | CN1282478A 接收机 Receiver |
| 01/31/2001 | CN1282477A Apparatus for generating absolute phase of signal received by receiver |
| 01/31/2001 | CN1282189A Radio transmitter |
| 01/31/2001 | CN1282165A Carrier changer and changing method |
| 01/31/2001 | CN1282151A Power amplifying circuit with power supply regulator for controlling adjacent and alternate channel power |
| 01/30/2001 | US6181754 System and method for modeling mixed signal RF circuits in a digital signal environment |
| 01/30/2001 | US6181751 Multi-stage detection system in digital demodulator |
| 01/30/2001 | US6181750 Apparatus for estimating the frequency difference existing between the carrier frequency of a digital signal and the frequency of a receiver local oscillator |
| 01/30/2001 | US6181734 Multiple waveform software radio |
| 01/30/2001 | US6181714 Multi-carrier transmission systems |
| 01/30/2001 | US6181674 Method and apparatus for sharing transmit shaping filters among phase shifted signals |
| 01/30/2001 | US6181199 Power IQ modulation systems and methods |
| 01/30/2001 | CA2279477A1 Crest factor compensated driver |
| 01/30/2001 | CA2161467C Apparatus for demodulating and decoding satellite, terrestrial and cable transmitted digital television data |
| 01/26/2001 | CA2313814A1 Apparatus and method for finding location of a mobile unit |
| 01/25/2001 | WO2001006749A1 Line termination device for a telephone subscriber line |
| 01/25/2001 | WO2001006690A1 On-board receiver |
| 01/25/2001 | WO2001006689A1 Vehicle-to-roadside communication system, roadside communication station, and on-board mobile station |
| 01/25/2001 | DE3645360C2 Digital multi-user radio telephone system |
| 01/25/2001 | DE19933978A1 Transponder-based wireless information transfer method, e.g. for process variables or actuator commands, involves substation performing phase modulation of received HF signal and reflecting modulated narrow band signal back to base station |
| 01/25/2001 | DE19933544A1 Demodulator for time division multiplex communication system |
| 01/25/2001 | DE19933543C1 FM coincidence demodulator not requiring frequency adjustment |
| 01/25/2001 | DE19933535A1 Synchronisationsverfahren zur Datenübertragung Synchronization method for data transmission |
| 01/25/2001 | DE19933485A1 Leitungsabschlußeinrichtung für eine Telefon-Teilnehmeranschlußleitung Line termination device for a telephone subscriber line |
| 01/24/2001 | EP1071280A2 Receiver circuit |
| 01/24/2001 | EP1071279A2 Receiver circuit |
| 01/24/2001 | EP1071260A1 Communication device and method of eliminating intereference in this communication device |
| 01/24/2001 | EP1071251A2 Synchronisation in multicarrier receivers |
| 01/24/2001 | EP1071250A1 RF transmission device |
| 01/24/2001 | EP1071249A1 Modulation method and device in a transmitter |
| 01/24/2001 | EP1071238A2 Universal modem for digital video, audio and data communications |
| 01/24/2001 | EP1071237A2 Universal modem for digital video, audio and data communications |
| 01/24/2001 | EP1071236A2 Universal modem for digital video, audio and data communications |
| 01/24/2001 | EP1071235A2 Universal modem for digital video, audio and data communications |
| 01/24/2001 | EP1071217A1 Decoder and decoding method |
| 01/24/2001 | EP1070400A1 Orthogonal frequency division multiplexing receiver system |
| 01/24/2001 | CN1281610A Data transmission method and transmitter |
| 01/24/2001 | CN1281602A Method and receiving device for estimating channels in communications systems |
| 01/24/2001 | CN1061205C Methgod and device for carrier exalting and compensating infrequency spreading communication system |
| 01/24/2001 | CN1061196C Reducing low spurt peak value/average value signal by interpolation |
| 01/24/2001 | CN1061186C Demodulator for manchester-coded FM signals |
| 01/23/2001 | US6178330 Point-multipoint radio transmission system |
| 01/23/2001 | US6178317 System and method for mitigating intermittent interruptions in an audio radio broadcast system |
| 01/23/2001 | US6178217 Nonlinear digital communications system |
| 01/23/2001 | US6178209 Method of estimating trellis encoded symbols utilizing simplified trellis decoding |
| 01/23/2001 | US6178207 Aircraft combat training signal processing system |
| 01/23/2001 | US6178194 Cellular mobile telephone system |
| 01/23/2001 | US6178179 System and method for linking a VDSL based distribution system with an xDSL based system |
| 01/23/2001 | US6178161 Communications methods and apparatus |
| 01/23/2001 | US6178158 Method and apparatus for transmission and reception |
| 01/23/2001 | US6177835 Method and apparatus for high data rate demodulation |
| 01/23/2001 | US6176432 Modulating and demodulating device |
| 01/22/2001 | CA2314823A1 Radio emitter |
| 01/18/2001 | WO2001005135A1 Method and apparatus for combining voice line card and xdsl line card functions |
| 01/18/2001 | WO2001005134A1 Method and apparatus for combining voice line card and xdsl line card functions |
| 01/18/2001 | WO2001005112A1 Communication device and method for the production thereof |
| 01/18/2001 | WO2001005111A1 Power control scheme for maximizing carrier signal-to-noise ratio in multicarrier transmitters |
| 01/18/2001 | WO2001005110A1 Frequency error estimating device and frequency error estimating method |
| 01/18/2001 | WO2001005057A1 Transmit power control for mcpa-equipped base stations |
| 01/18/2001 | WO2000060791A3 Collision handling scheme for discrete multi-tone data communications network |
| 01/18/2001 | CA2343064A1 Frequency error estimating device and frequency error estimating method |
| 01/17/2001 | EP1069740A2 Synchronisation method for multicarrier transmission |
| 01/17/2001 | EP1069725A2 Spread spectrum, multicarrier transmission |
| 01/17/2001 | EP1069723A2 Method for wireless differential communication using multiple transmitter antennas |
| 01/17/2001 | EP1068707A1 System, device and method for improving a defined property of transform-domain signals |