| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 01/15/2003 | EP1276266A2 Apparatus and method for determining a modulation scheme in a communication system |
| 01/15/2003 | EP1276257A1 DRM/AM simulcast |
| 01/15/2003 | EP1276251A1 Method for calculating a weighting vector for an antenna array |
| 01/15/2003 | EP1276233A2 Apparatus and method for controlling transmission power in a mobile communication system |
| 01/15/2003 | EP1275229A1 Data allocation with variable snr margins |
| 01/15/2003 | EP1275214A1 Decoding system and method for digital communications |
| 01/15/2003 | CN1391752A Method and system for blind detection of modulation |
| 01/15/2003 | CN1391743A Method and apparatus for transmission and reception of FM in-band on-channel digital audio broadcasting |
| 01/15/2003 | CN1391740A Method and apparatus for generating RF signal |
| 01/15/2003 | CN1391729A Local oscillation signal supply method and circuit therefor |
| 01/15/2003 | CN1391400A Orthogonal frequency division multiplexing receiving system and method for effectively estimating code element timing shift |
| 01/15/2003 | CN1391383A Digital residual side band transmission system |
| 01/15/2003 | CN1391382A Digital residual side band transmission systems |
| 01/15/2003 | CN1099198C Transmission system with improved tone detection |
| 01/15/2003 | CN1099181C Digital modulator with compensation |
| 01/15/2003 | CN1099180C Carrier reproduction circuit |
| 01/15/2003 | CN1099179C Method and apparatus for decoding encoded signals |
| 01/15/2003 | CN1099171C Method of receiving and searching signal transmitting in bursts |
| 01/15/2003 | CN1099166C Method for processing digital and analog input signals |
| 01/14/2003 | US6507733 Three port junction receiver |
| 01/14/2003 | US6507627 Direct conversion receiving apparatus with DC component cut function |
| 01/14/2003 | US6507626 Bandpass phase tracker that automatically samples at prescribed carrier phases when digitizing VSB I-F signal |
| 01/14/2003 | US6507625 Digital modulator and digital demodulator |
| 01/14/2003 | US6507622 Communication systems, sender and receiver |
| 01/14/2003 | US6507619 Decoding system and method for digital communications |
| 01/14/2003 | US6507607 Apparatus and method for recovering a clock signal for use in a portable data carrier |
| 01/14/2003 | US6507606 Asymmetric digital subscriber line methods suitable for long subscriber loops |
| 01/14/2003 | CA2347252C Transmitter and method for transmitting a pattern in a multicarrier modulation transmission system |
| 01/14/2003 | CA2232252C Radio transmitting apparatus and gain control method for the same |
| 01/10/2003 | CA2390630A1 Double up-conversion modulator |
| 01/09/2003 | WO2003003686A1 Iq-imbalance |
| 01/09/2003 | WO2003003685A2 Constant amplitude modulation for dsl |
| 01/09/2003 | WO2003003684A2 Modulation scheme for tetra systems |
| 01/09/2003 | WO2003003683A2 Method for avoiding interference radiation of am transmitters used in digital transmission |
| 01/09/2003 | WO2003003682A1 Signal dc offset correction method and device |
| 01/09/2003 | WO2003003681A1 Method and apparatus for an ultra-wideband (uwb) radio utilizing mems filtering for echo cancellation |
| 01/09/2003 | WO2003003647A1 Data communication device and data communication method |
| 01/09/2003 | WO2003003634A1 Multicarrier transmitter, multicarrier receiver, and multicarrier wireless communication method |
| 01/09/2003 | WO2003003589A2 Download booster for adsl transmission |
| 01/09/2003 | WO2002091600A3 High-speed adjustable multilevel light modulation |
| 01/09/2003 | WO2002076056A3 Method for the frequency and time synchronization of an ofdm receiver |
| 01/09/2003 | WO2002076052A3 Symmetric line coding |
| 01/09/2003 | WO2001095477A3 Quadrature modulation with reduced phase-error distortion |
| 01/09/2003 | US20030008673 System and method for increasing the data rate for cellular digital packet data (CDPD) services |
| 01/09/2003 | US20030007632 Download booster for ADSL transmission |
| 01/09/2003 | US20030007582 Method for error compensation in an OFDM system with diversity |
| 01/09/2003 | US20030007576 Blind channel estimation and data detection for PSK OFDM-based receivers |
| 01/09/2003 | US20030007575 Demodulating device, broadcasting system, and semiconductor device |
| 01/09/2003 | US20030007574 Methods and apparatus for I/Q imbalance compensation |
| 01/09/2003 | US20030007573 Minimization of error contributions in a DMT system |
| 01/09/2003 | US20030007570 Apparatus for modulating and demodulating multiple channel FSK in power line communication system |
| 01/09/2003 | US20030007569 Wideband modulation |
| 01/09/2003 | US20030007554 Hybrid frequency- time domain equalizer |
| 01/09/2003 | US20030007509 Multicarrier communication with variable overhead rate |
| 01/09/2003 | US20030007450 OFDM receiving apparatus having simplified circuit configuration |
| 01/09/2003 | US20030007216 Long haul transmission in a dispersion managed optical communication system |
| 01/09/2003 | US20030007190 Data transmission method and data transmission apparatus |
| 01/09/2003 | US20030006925 Method and apparatus for a pulse decoding communication system using multiple receivers |
| 01/08/2003 | EP1274211A2 Orthogonal frequency division multiplex signal demodulator circuit having simple circuit configuration |
| 01/08/2003 | EP1274210A1 OFDM receiver |
| 01/08/2003 | EP1274209A1 Frequency correction for a multicarrier system |
| 01/08/2003 | EP1274208A1 Communication device and transmission mode selecting method |
| 01/08/2003 | EP1274193A1 Method and device for providing timing information in a wireless communication system |
| 01/08/2003 | EP1274183A1 Data transmission method employing different modulation schemes on radio communication channels |
| 01/08/2003 | EP1274180A1 Radio |
| 01/08/2003 | EP1274176A1 Multi-user detection in an MC-CDMA telecommunication system |
| 01/08/2003 | EP1273190A1 Voiceband modem for data communications over digital wireless networks |
| 01/08/2003 | EP1273145A1 Method and system for blind detection of modulation type |
| 01/08/2003 | EP0801868B1 Method for the adaptive assignment of the transmission capacity of a transmission channel |
| 01/08/2003 | CN1390414A Method and apparatus for rotating a phase of a modulated signal |
| 01/08/2003 | CN1390413A Method and test device for determining and correcting an offset in direct udtage on a modulator |
| 01/08/2003 | CN1390412A Use of a transceiver based upon frequency modulation for signals that are coded by means of a method for spreading spectrums |
| 01/08/2003 | CN1390405A Technique for demodulating a linear modulated data signal in a communications system |
| 01/08/2003 | CN1390404A Combined equalization and decoding method |
| 01/08/2003 | CN1390395A CDMA modulation method and device thereof |
| 01/08/2003 | CN1390394A RF modem utilizing SAW device and pulse shaping |
| 01/08/2003 | CN1390022A Linear power amplifying method and device |
| 01/08/2003 | CN1389994A 8PSX digital modulation method suitable for EDGE system |
| 01/08/2003 | CN1389987A Analogue quadrature moducator error compensating apparatus and method |
| 01/08/2003 | CN1098604C Control signal detection method with calibration error and subscriber unit therewith |
| 01/08/2003 | CN1098585C Apparatus and method for diversity PI/4-DQPSK demodulation |
| 01/08/2003 | CN1098569C Dual-mode FM/CDMA transmitter and receiver |
| 01/07/2003 | US6505220 Method and apparatus for detecting a unique word |
| 01/07/2003 | US6505032 Carrierless ultra wideband wireless signals for conveying application data |
| 01/07/2003 | US6504885 System and method for modeling mixed signal RF circuits in a digital signal environment |
| 01/07/2003 | US6504884 Method for correcting DC offsets in a receiver |
| 01/07/2003 | US6504883 Synchronous detector |
| 01/07/2003 | US6504880 ASK modulation circuit |
| 01/07/2003 | US6504879 Digital modulation apparatus |
| 01/07/2003 | US6504867 Digital matched filtering for signal estimation in a digital receiver |
| 01/07/2003 | US6504866 System and method for eliminating companding conversion distortion on international modem calls |
| 01/07/2003 | US6504863 Method and apparatus for adaptive bit resolution in a digital receiver and digital transmitter |
| 01/07/2003 | US6504430 Feedforward type linearizer |
| 01/07/2003 | CA2291024C Carrier recovery in dab receivers |
| 01/03/2003 | WO2003001760A1 Method and system for compensation of a carrier frequency offset in an ofdm receiver |
| 01/03/2003 | WO2003001759A2 Cycle-by-cycle synchronous waveform shaping circuits based on time-domain superposition and convolution |
| 01/03/2003 | WO2003001758A1 Compensation of mismatch between quadrature paths |
| 01/03/2003 | WO2003001731A1 Cooperative code-enhanced multi-user communications system |
| 01/03/2003 | WO2003001730A1 Method and device for transferring data according to an arq-method |
| 01/03/2003 | WO2003001714A1 Automatic gain control circuit and method thereof, and demodulation apparatus using the same |