| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 07/28/2004 | CN1516935A Radio communication method, radio transmitting device and receiving device |
| 07/28/2004 | CN1516923A Finite impulse response filter anjd digital receiving apparatus |
| 07/28/2004 | CN1516459A Transferring ssytem of signal communication in digital multimedia broadcast system and mode |
| 07/28/2004 | CN1516384A Method and device for transmitting synchronous channel message in multicarrier communication system |
| 07/28/2004 | CN1516179A 再现装置和信号处理装置 Reproducing means and the signal processing means |
| 07/28/2004 | CN1159911C Time-domain synchronous orthogonal frequency division multiplex modulation method of low peak average power ratio |
| 07/28/2004 | CN1159887C Self-adaptive modulation communication system, transmitting device and receiver |
| 07/28/2004 | CN1159886C Bit synchronizing method and bit synchronizer for gaussian filtering minimum frequency shift demodulation circuit |
| 07/28/2004 | CN1159872C 通信终端设备 Communication terminal device |
| 07/28/2004 | CN1159871C Sigal power dynamic range compressor cirucit and power amplify of using said circuit |
| 07/28/2004 | CN1159860C Line termination device for a telephone subscriber line |
| 07/28/2004 | CN1159839C Lower frequency converter and demodulator adopting three-port wire connector |
| 07/27/2004 | US6769086 Apparatus and methods for a coding scheme selection |
| 07/27/2004 | US6769085 Method for modifying a bit sequence in an ARQ restransmission, receiver and transmitter therefor |
| 07/27/2004 | US6768772 Activation of multiple xDSL modems with implicit channel probe |
| 07/27/2004 | US6768714 Methods and apparatus for use in obtaining frequency synchronization in an OFDM communication system |
| 07/27/2004 | US6768713 Orthogonal frequency division multiplexing receiver with iterative channel estimation and a corresponding method |
| 07/27/2004 | US6768373 Circuit configuration for demodulating a voltage which is ASK modulated by altering the amplitude between a low level and a high level |
| 07/27/2004 | CA2331675C Method and apparatus for obtaining initial carrier and symbol phase estimates for use in synchronizing transmitted data |
| 07/22/2004 | WO2004062283A1 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 07/22/2004 | WO2004062225A1 Adaptive synchronization scheme |
| 07/22/2004 | WO2004062224A2 Sub-carriers transmission power control |
| 07/22/2004 | WO2004062222A1 Apparatus, and associated method, for estimating frequency offset of a data symbol communicated in a communication system |
| 07/22/2004 | WO2004062210A2 Wireless network adapted to transmit channel side information and method therefor |
| 07/22/2004 | WO2004062183A1 Robust signal transmissions in digital television broadcasting |
| 07/22/2004 | WO2004062153A1 Radio communication apparatus and radio transmission method |
| 07/22/2004 | WO2004062151A1 Ofdm demodulation device |
| 07/22/2004 | WO2004062150A1 Ofdm demodulation device |
| 07/22/2004 | WO2004062149A1 Ofdm demodulation apparatus |
| 07/22/2004 | WO2004062127A1 Adaptive receiver and corresponding method |
| 07/22/2004 | WO2004062119A2 Ultra wideband (uwb) transmitter architecture |
| 07/22/2004 | WO2004062118A2 An enhanced ofdm by use of alternating polarization states |
| 07/22/2004 | WO2004062086A1 Digital communication system having improved pilot encoding |
| 07/22/2004 | WO2004061571A2 Digital content preview generation and distribution among peer devices |
| 07/22/2004 | WO2004061464A1 Velocity enhancement for ofdm systems |
| 07/22/2004 | WO2004047313A3 Methods and systems acquiring impulse signals |
| 07/22/2004 | WO2004040403A3 Lower complexity layered modulation signal processor |
| 07/22/2004 | WO2004034565A3 Apparatus and methods for wideband signal processing |
| 07/22/2004 | WO2004034307A3 Apparatus, methods and articles of manufacture for digital modification in electromagnetic signal processing |
| 07/22/2004 | US20040143615 Finite impulse response filter and digital signal receiving apparatus |
| 07/22/2004 | US20040142663 Method for operating multiple overlapping wireless networks |
| 07/22/2004 | US20040141573 Null symbol detection device |
| 07/22/2004 | US20040141570 Symbol timing correction circuit, receiver, symbol timing correction, mothed, and demodulation processing method |
| 07/22/2004 | US20040141569 Method, apparatus and system for high-speed transmission on fiber optic channel |
| 07/22/2004 | US20040141564 Decoding of low-complexity signals transmitted by a constellation modulation |
| 07/22/2004 | US20040141550 Reduced SNR handshake signaling in ADSL systems |
| 07/22/2004 | US20040141548 Software adaptable high performance multicarrier transmission protocol |
| 07/22/2004 | US20040141547 Transmission method for transmitting data symbols to or from users of an ultra bandwidth telecommunication system |
| 07/22/2004 | US20040141481 Transmitter device and transmitting method using OFDM nd MC-CDMA |
| 07/22/2004 | US20040141459 Analog implementation of linear transforms |
| 07/22/2004 | US20040141458 Apparatus and method for reducing peak to average power ratio in an orthogonal frequency division multiplexing system |
| 07/22/2004 | US20040141457 Method of determining training signal in OFDM, and apparatus and method for receiving OFDM signal using the training signal |
| 07/22/2004 | DE10301451A1 Wireless data transmission method between base station and transponder, by modulating electromagnet waves at receiver using modulation technique based on received field strength |
| 07/22/2004 | DE10297028T5 Drahtloses Kommunikationssystem, das konfiguriert ist, unter Verwendung einer Mischwellenformgestaltung zu kommunizieren A wireless communication system that is configured to communicate using a mixed waveform shaping |
| 07/22/2004 | CA2509458A1 Digital communication system having improved pilot encoding |
| 07/21/2004 | EP1439680A1 Digital receiver demapper |
| 07/21/2004 | EP1439679A2 Multicarrier transmission with variable guard intervals |
| 07/21/2004 | EP1439678A2 Multicarrier transmission with variable guard intervals |
| 07/21/2004 | EP1439677A1 Synchronisation symbol structure for OFDM system |
| 07/21/2004 | EP1439676A2 Diversity reception |
| 07/21/2004 | EP1439659A1 Clock phase detecting circuit and clock regenerating circuit each arranged in receiving unit of multiplex radio equipment |
| 07/21/2004 | EP1438817A2 Multi-mode communications transmitter |
| 07/21/2004 | EP1438816A2 Reduction of average-to-minimum power ratio in communications signals |
| 07/21/2004 | EP1438800A2 Method and apparatus for channel quality measurements |
| 07/21/2004 | EP1438799A2 Synchronisation in multicarrier cdma systems |
| 07/21/2004 | EP1438792A2 Method and apparatus for determining power allocation in a mimo communication system |
| 07/21/2004 | EP1438791A1 Velocity responsive filtering for pilot signal reception |
| 07/21/2004 | EP1438789A1 Direct conversion receiver |
| 07/21/2004 | EP1036453A4 Trellis decoding with multiple symbol noncoherent detection and interleaving to combat frequency offset |
| 07/21/2004 | EP0962047B1 N-port direct receiver |
| 07/21/2004 | EP0829155B1 Doubly orthogonal code and frequency division multiple access communication system |
| 07/21/2004 | CN2627746Y Secondary frequency-modulated carrier data communication equipment |
| 07/21/2004 | CN1515104A High-frequency signal receiver and method of mfg. same |
| 07/21/2004 | CN1515103A 盲检测 Blind Detection |
| 07/21/2004 | CN1515102A Method and apparatus for pulse decoding communication system using multiple receivers |
| 07/21/2004 | CN1515093A Method and apparatus for allocating pilot carrier adaptively in orthogonal frequency division multiple access system |
| 07/21/2004 | CN1515092A Receiver |
| 07/21/2004 | CN1515088A Communication method and radio communication apparatus |
| 07/21/2004 | CN1515081A Rducing effects of self-created interference on boardband reception |
| 07/21/2004 | CN1514660A Device for modnlating radio communication signal |
| 07/21/2004 | CN1514558A Transmitter and receiver capable of controlling peak power |
| 07/21/2004 | CN1514557A Method and device of equalized fast fading channel in orthogonal frequency dirision multiplex system |
| 07/21/2004 | CN1514556A Method of paging message transmission in orthogonal frequency division multiplex system and its receiving transmitting device |
| 07/21/2004 | CN1514555A Method of self eliminating interference between self adaptive carriers and receiving and transmitting machine |
| 07/21/2004 | CN1514550A Bridge type circuit for inhibiting cho in communiction device |
| 07/21/2004 | CN1158826C Method of clipping signal amplitudes in modulation system |
| 07/21/2004 | CN1158825C Method for transmitting data on communication channel and related apparatus |
| 07/21/2004 | CN1158824C Linear power amplifying method and device |
| 07/21/2004 | CN1158823C High-speed power-saving coded M-element FSK modifier |
| 07/21/2004 | CN1158822C Slice predictor for signal receiver |
| 07/21/2004 | CN1158800C Method for preventing collision of extended orthogonal code |
| 07/21/2004 | CN1158794C Multiple carrier transmitter circuit and telecommunication equipment |
| 07/21/2004 | CN1158786C Receiver with frequency-deviation correcting function |
| 07/21/2004 | CN1158785C System and method for narrowing range of frequency uncertainly of doppler shifted signal |
| 07/21/2004 | CN1158784C Method and apparatus for downconverting signals transmitted using plurality of modulation formats to common intermediate frequency range |
| 07/21/2004 | CN1158780C Distortion correction circuit for direct conversion receiver |
| 07/20/2004 | US6766516 Processor sharing technique for communications and other data processing on a same processor |
| 07/20/2004 | US6766148 Switched sideband frequency low-IF transmitter |
| 07/20/2004 | US6765972 Carrier synchronization type demodulator for PSK signal |
| 07/20/2004 | US6765957 Activation of multiple xDSL modems with implicit channel probe |