| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 05/15/2002 | EP1206091A1 Method and apparatus of channel estimation, particularly for a mobile phone |
| 05/15/2002 | EP1206068A2 Method of increasing data rate via clacl switching in a wireless data communication network |
| 05/15/2002 | EP1206061A1 Channel estimation for space diversity communication systems |
| 05/15/2002 | EP1206032A2 Signal demodulation method and apparatus for reproducing data from received signal |
| 05/15/2002 | EP1205055A1 Method and receiver for estimating data bit rates |
| 05/15/2002 | CN1349700A Receivers including iterative MAP detection and related methods |
| 05/15/2002 | CN1349679A 信号处理 Signal Processing |
| 05/15/2002 | CN1349335A Data vestigial sideband transmitting system |
| 05/15/2002 | CN1084996C Method and apparatus for receiving spectrum-expanded radio signals |
| 05/15/2002 | CN1084995C Detectors |
| 05/15/2002 | CN1084993C Method for demodulating digitally modulated data signals |
| 05/14/2002 | US6389089 Method of searching for pilot signals |
| 05/14/2002 | US6389087 Apparatus and method for synchronization in a multiple-carrier communication system by observing energy within a guard band |
| 05/14/2002 | US6389084 Apparatus and method for equalizing a signal independent of the impact of doppler frequency |
| 05/14/2002 | US6389083 Trellis decoder |
| 05/14/2002 | US6389082 Receiver |
| 05/14/2002 | US6389081 Signal transmission equipment |
| 05/14/2002 | US6389080 Random phase shift keying |
| 05/14/2002 | US6389079 Non-coherent sequence estimation receiver for digital modulations |
| 05/14/2002 | US6389078 Configurable circuits for field programmable radio frequency communications equipment and methods therefor |
| 05/14/2002 | US6389077 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control |
| 05/14/2002 | US6389059 Multi-band, multi-mode spread-spectrum communication system |
| 05/14/2002 | US6389040 Apparatus and method for generating a frequency offset estimate for communication systems having frequency selecting fading channels |
| 05/14/2002 | US6389010 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 05/14/2002 | US6389000 Method and apparatus for transmitting and receiving high speed data in a CDMA communication system using multiple carriers |
| 05/14/2002 | US6388784 Digital optical transmitter and digital optical receiver making communication by superposing subdata on modulated waveform of main data |
| 05/14/2002 | US6388656 Remote position designation system |
| 05/14/2002 | CA2035785C Method and apparatus for optimally autocorrelating an fsk signal |
| 05/10/2002 | WO2002037787A1 Modulator with low sensitivity to amplitude and phase errors of the carrier signal |
| 05/10/2002 | WO2002037768A1 Communication system and communication control apparatus and method |
| 05/10/2002 | WO2002037744A1 Joint frame, carrier and clock synchronization scheme |
| 05/10/2002 | WO2002037722A1 Radio transmitting apparatus and radio transmitting method |
| 05/10/2002 | WO2002037704A1 Apparatus for reducing phase noise in a local carrier signal caused by powering down of circuit elements during discontinuous data transmissions |
| 05/10/2002 | WO2002037672A2 Multiple-voltage supply power amplifier with dynamic headroom control |
| 05/10/2002 | WO2002037667A1 A direct digital amplitude modulator |
| 05/10/2002 | WO2002037666A2 Iq modulator |
| 05/10/2002 | WO2002023846A3 Dial tone detector |
| 05/10/2002 | WO2002023844A3 Method and orthogonal frequency division multiplexing (ofdm) receiver for reducing the influence of harmonic interferences on ofdm transmission systems |
| 05/10/2002 | WO2002009300A3 Method and system for turbo encoding in adsl |
| 05/10/2002 | WO2002001788B1 Dual bit error rate estimation in a qam demodulator |
| 05/09/2002 | US20020055347 Wideband if image rejecting receiver |
| 05/09/2002 | US20020055341 Variable gain amplifier device |
| 05/09/2002 | US20020055335 Radio reception apparatus and high speed equalization processing method therefor |
| 05/09/2002 | US20020055334 Communication channel detector and channel detection method |
| 05/09/2002 | US20020054658 Method and apparatus for high speed signaling |
| 05/09/2002 | US20020054649 Signal demodulation method and apparatus for reproducing data from received signal |
| 05/09/2002 | US20020054633 Non-linear equalizer system and method |
| 05/09/2002 | US20020054632 Method for near optimal joint channel estimation and data detection for COFDM systems |
| 05/09/2002 | US20020054624 Method and apparatus for correcting frequency offset and storage medium storing control program therefor |
| 05/09/2002 | US20020054610 Method to allocate data bits, multicarrier transmitter and receiver using the method, and related allocation message generator |
| 05/09/2002 | US20020054605 Frequency division multiplex transmission signal receiving apparatus using a plurality of carriers |
| 05/09/2002 | US20020054585 Transmitter, transmitting method, receiver, and receiving method for MC-CDMA communication system |
| 05/09/2002 | US20020054581 System and method for maintaining wireless channels over a reverse link of a CDMA wireless communication system |
| 05/09/2002 | US20020054421 Modulation scheme for NRZ signals and transmitter |
| 05/08/2002 | EP1204256A1 Adaptive modulation communication system |
| 05/08/2002 | EP1204234A2 Synchronisation in MC-CDMA systems |
| 05/08/2002 | EP1204233A1 Method of transmission using a shared channel |
| 05/08/2002 | EP1204228A1 Optical modulation scheme for NRZ signals and optical transmitter |
| 05/08/2002 | EP1204217A1 Transmission power control scheme for OFDM communication links |
| 05/08/2002 | EP1204216A1 Method and apparatus for distortion compensation of radio device |
| 05/08/2002 | EP1203467A1 Robust transmission mode |
| 05/08/2002 | EP1203457A1 Reception method and receiver array for a duplex transmission system |
| 05/08/2002 | EP1203455A1 Method and apparatus for coherent demodulation in communication system employing a potentially gated pilot signal |
| 05/08/2002 | EP1203454A1 Modulator-demodulator |
| 05/08/2002 | EP0776547B1 A digital radio system, a digital radio device, and a quadrature demodulator |
| 05/08/2002 | CN1348655A Method and apparatus for transmitting the sync channel message in a multi-carrier communication system |
| 05/08/2002 | CN1348654A Correction of amplitude and phase imbalance in PSK receivers |
| 05/08/2002 | CN1348653A BS digital broadcasting receiver |
| 05/08/2002 | CN1348652A Digital GMSK filter |
| 05/08/2002 | CN1348641A Estimation of Doppler shift compensation in a mobile communication system |
| 05/08/2002 | CN1348302A Frame sync generating method in ground digital multimedia TV broad cast system |
| 05/08/2002 | CN1348274A Frequency division multiplexing signal receiving apparatus |
| 05/08/2002 | CN1348256A High-speed power-saving coded M-element FSK modifier |
| 05/08/2002 | CN1084576C Integrated circuit for mobile telephone receiver |
| 05/08/2002 | CN1084566C 接收机 Receiver |
| 05/08/2002 | CN1084565C Communications equipment |
| 05/08/2002 | CN1084559C Method and apparatus for synchronizing carrier frequency of orthogonal frequency division multiplexing transmission system |
| 05/08/2002 | CN1084553C 频率合成器 Frequency synthesizer |
| 05/07/2002 | US6385439 Linear RF power amplifier with optically activated switches |
| 05/07/2002 | US6385256 Method and arrangement for signal modulation |
| 05/07/2002 | US6385254 Transmission method and radio system |
| 05/07/2002 | US6385233 Unbalanced quadrature waveform |
| 05/07/2002 | US6385203 Communication server apparatus and method |
| 05/07/2002 | US6385185 Methods and apparatus for coherent detection of signals with orthogonal data modulation |
| 05/07/2002 | US6384677 Power amplifier having negative feedback circuit for transmitter |
| 05/07/2002 | US6384589 Reference frequency spur cancellation in synthesized measurement receivers |
| 05/07/2002 | CA2262329C Synchrodyning of vsb and qam final i-f signals supplied by separate converters in a qam/vsb digital tv receiver |
| 05/02/2002 | WO2002035787A2 Modulator which uses amplitude restoration |
| 05/02/2002 | WO2002035726A1 Transmitter and receiver of spectrum spread communication system, and modulation and demodulation methods thereof |
| 05/02/2002 | WO2002035719A2 Reception in the presence of inter-subcarrier interference, particularly for multicarrier cdma |
| 05/02/2002 | WO2002017615A3 Terrestrial digitial multimedia/television broadcasting system |
| 05/02/2002 | WO2001097474A3 Adaptive precoding |
| 05/02/2002 | WO2001071928A3 High efficiency, high performance communications system employing multi-carrier modulation |
| 05/02/2002 | WO2001010066A3 Device for receiving digital signals and device for transmitting digital signals |
| 05/02/2002 | WO2001005134A9 Method and apparatus for combining voice line card and xdsl line card functions |
| 05/02/2002 | US20020052927 Initialization file downloading apparatus and method of cable modem |
| 05/02/2002 | US20020052187 Receiver used in spread spectrum communication system |
| 05/02/2002 | US20020051501 Use of turbo-like codes for QAM modulation using independent I and Q decoding techniques and applications to xDSL systems |
| 05/02/2002 | US20020051498 Decoding system and method for digital communications |
| 05/02/2002 | US20020051497 Method and quadrature device for compensating mismatch in parallel paths by switching signals therein |