| Patents for H04J 1 - Frequency-division multiplex systems (15,293) |
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| 03/21/2001 | EP1084540A1 Device and method for generating and distributing coded symbols in cdma communication system |
| 03/21/2001 | CN1288296A Multi-carrier transmitter, radio base station equipment and system using said transmitter |
| 03/20/2001 | US6204945 Signal light outputting apparatus and optical transmission system having signal light outputting apparatus |
| 03/15/2001 | DE19959724C1 Low-pass filter for ADSL telecommunications system, has longitudinal inductances in selected filter stages provided with parallel real resistances for improved reflection damping |
| 03/14/2001 | EP1082830A1 Method and system for monitoring broadband quality of services |
| 03/13/2001 | US6201972 Cellular system and frequency carrier allocation method |
| 03/13/2001 | US6201795 Method and apparatus for mitigating interference in a communication system |
| 03/08/2001 | WO2001017311A1 Method and system for frequency spectrum resource allocation |
| 03/08/2001 | WO2000072488A8 Digital subscriber's line transmitting method and device |
| 03/08/2001 | CA2386744A1 Method and system for frequency spectrum resource allocation |
| 03/07/2001 | CN1286850A Apparatus and method of searching for PN sequence phase in multi-carrier CDMA mobile communication system |
| 03/07/2001 | CN1063000C Radio station apparatus and signal transmission method thereof |
| 03/01/2001 | WO2001015481A1 Method and apparatus using a multi-carrier forward link in a wireless communication system |
| 03/01/2001 | WO2001015360A1 Channel-adaptive radio modem |
| 02/27/2001 | US6195341 Communication method, base station and terminal apparatus |
| 02/20/2001 | CA2206766C A practical means for digital generation and combination of a multiplicity of cdma/fdma signals |
| 02/20/2001 | CA2122652C Half-band filter for a cellular group demultiplexer |
| 02/13/2001 | US6188509 Simple bidirectional add/drop amplifier module based on a single multiplexer |
| 02/13/2001 | CA2094535C Improvements in or relating to radio communication systems |
| 02/08/2001 | WO2001010159A1 System and method for performing soft handoff between frequency division duplex and time division duplex communication systems |
| 02/07/2001 | EP1075103A1 Communication device and communication method |
| 02/07/2001 | CN1283052A Pseudo-random frequency distribution |
| 02/06/2001 | US6185257 Method for simplifying the demodulation in multiple carrier transmission system |
| 02/06/2001 | US6185202 Point-to-multipoint radio transmission system |
| 02/06/2001 | US6185201 Multiplex radio transmitter and multiplex radio transmission method, multiplex radio receiver and multiplex radio receiving method, and multiplex radio transceiver and multiplex transmission/receiving system |
| 02/01/2001 | WO2001008319A1 Radio device with distortion compensation |
| 01/31/2001 | EP1073231A2 Signal encoding for transmission of multiple digital signals over single physical medium |
| 01/31/2001 | EP1073224A2 Strategy for switching to Alternative Frequencies (AF) for Digital Radio Mondiale (DRM) |
| 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 | EP1072113A1 Method and system for estimating the ability of a subscriber loop to support broadband services |
| 01/30/2001 | US6181676 System protection switching |
| 01/25/2001 | WO2001006751A1 Network for telephony and data communication |
| 01/24/2001 | EP1071269A1 Transmission method for subscriber line |
| 01/24/2001 | EP1070400A1 Orthogonal frequency division multiplexing receiver system |
| 01/23/2001 | US6178330 Point-multipoint radio transmission system |
| 01/23/2001 | US6178217 Nonlinear digital communications system |
| 01/23/2001 | US6177861 System for short range wireless data communication to inexpensive endpoints |
| 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 | WO2001005051A1 Method for increasing the capacity of a orthogonal waveform multiple access network, and associated units |
| 01/17/2001 | CN1280426A Correction for N end receiver |
| 01/13/2001 | CA2277534A1 Combined xdsl and voice line card |
| 01/10/2001 | EP1067675A1 Calibration of a N-port receiver |
| 01/09/2001 | US6172560 Amplifier with feedforward loops for rejecting non-linear distortion |
| 01/08/2001 | CA2310924A1 Calibration of a n-port receiver |
| 01/04/2001 | WO2001001584A2 Communications system and method for multi-carrier orthogonal coding |
| 01/03/2001 | EP1065818A1 Transmitting method and transmitting device |
| 01/02/2001 | US6169728 Apparatus and method for spectrum management in a multipoint communication system |
| 01/02/2001 | CA2220585C Method and apparatus for bandwidth reuse in a communication network |
| 12/27/2000 | CN1278381A Telecommunication system for wireless telecommunication with a CDMA, FDMA and TDMA multiple access component |
| 12/27/2000 | CN1278125A Method for broadcast transmitting time utilizing sound, and transmitting/receiving device thereof |
| 12/26/2000 | US6167270 Soft handoff in the transmission of supplemental channel data |
| 12/26/2000 | US6167095 Method and apparatus for variably allocating upstream and downstream communication spectra |
| 12/21/2000 | WO2000078075A1 Carrier scanning in a cellular network |
| 12/21/2000 | WO2000077971A1 Automatic gain control for improved decoding of multi-carrier signal |
| 12/20/2000 | EP1060616A2 Personal audio message processor and method |
| 12/20/2000 | EP1060603A1 System and method for spectrally efficient transmission of digital data over optical fiber |
| 12/20/2000 | CN1277768A Apparats and method for concurrent voice and data transmission |
| 12/13/2000 | EP1059748A2 Soft selection combining method in a digital transmission system based on successive erasures of frequency band components |
| 12/13/2000 | CN1276928A Multi-carrrier transmitting apparatus and method |
| 12/07/2000 | WO2000074268A1 Method and device for carrying out simplex data transmission |
| 12/07/2000 | DE19924017A1 Verfahren und Vorrichtung zur Simplex-Datenübertragung Method and apparatus for simplex data transfer |
| 12/06/2000 | CN1276112A Wireless telecommunications system with CDMA, FDMA and TDMA multiple access component, especially 'JD-CDMD' telecommunications system with hybrid multiple access techniques |
| 11/30/2000 | WO2000072488A1 Digital subscriber's line transmitting method and device |
| 11/30/2000 | WO2000051059A3 Architecture and method for high bandwidth data transmission in a 'last mile' telecommunications system |
| 11/29/2000 | EP1056221A2 Integrated receiving system for receiving a plurality of media signals and corresponding signal reception processing method |
| 11/23/2000 | WO2000070744A1 Detector tolerant of frequency misalignment |
| 11/23/2000 | WO2000028712A3 Cable modem system |
| 11/23/2000 | DE19923043A1 Transmission method for analog bandpass signals provided in intermediate frequency system, involves sampling signals for conversion into digital format and combination into multiplex signal |
| 11/23/2000 | CA2374477A1 Detector tolerant of frequency misalignment |
| 11/22/2000 | EP1054538A2 Fast training of equalizers in discrete multi-tone (DMT) systems |
| 11/22/2000 | CN1274486A Transmitter of multiple frequency radio communication system |
| 11/22/2000 | CN1274214A Transmitting/receiving device and its modulation method and estimation method |
| 11/22/2000 | CN1058829C Base-band interleaver for code devision multiple access mobile telecommunication system |
| 11/21/2000 | US6151373 Weak signal resolver |
| 11/16/2000 | WO1999053665A8 Frame structure and frame synchronization for multicarrier systems |
| 11/15/2000 | EP1052821A2 Multicarrier receiver with detection of constellation size |
| 11/15/2000 | EP0795232A4 Universal radio architecture for low-tier personal communication system |
| 11/14/2000 | US6148320 Multichannel digital signal generation method and apparatus |
| 11/14/2000 | US6148185 Feed-forward amplifying device and method of controlling the same and base station with feed-forward amplifying device |
| 11/14/2000 | US6148041 Joint demodulation using spatial maximum likelihood |
| 11/09/2000 | DE19920362A1 Digitaler AM-Demodulator A digital AM demodulator |
| 11/08/2000 | EP1050983A2 Digital AM demodulator |
| 11/08/2000 | CN1272981A Method and device for reserving resources one or more multiple access communication channels |
| 11/07/2000 | US6144705 Technique for simultaneous communications of analog frequency-modulated and digitally modulated signals using precanceling scheme |
| 11/07/2000 | US6144648 Communication system for making carrier synchronous |
| 11/02/2000 | EP1049284A2 Multiresolution transmission with multicarrier signals |
| 11/02/2000 | EP1049283A2 Multiresolution transmission with multicarrier signals |
| 11/02/2000 | EP1048178A2 Apparatus and method of searching for pn sequence phase in multi-carrier cdma mobile communication system |
| 11/01/2000 | CN1272263A Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction |
| 10/31/2000 | US6140888 Method and structure for tuning the summing network of a base station |
| 10/25/2000 | EP1047278A2 Pseudo-random frequency assignment |
| 10/25/2000 | CN1271480A Method and apparatus for selecting a source in a communication system with resources having unbalanced load capacity |
| 10/25/2000 | CN1271220A 频移电路及频移方法 Frequency shift circuit and a frequency shift method |
| 10/24/2000 | US6137848 Method and system for joint timing recovery and channel estimation for DMT modems |
| 10/24/2000 | US6137843 Methods and apparatus for canceling adjacent channel signals in digital communications systems |
| 10/24/2000 | US6137784 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction |