Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 1 - Frequency-division multiplex systems
Patents for H04J 1 - Frequency-division multiplex systems (15,293)
10/2000
10/24/2000US6137613 Optical transmission apparatus in which light signal with selected wavelength is modulated with selected data signal
10/22/2000CA2305104A1 Pseudo-random frequency assignment
10/19/2000DE19913086A1 Verfahren und Einrichtung zur Kanalzuweisung für eine breitbandige Funk-Übertragung Method and apparatus for channel allocation for broadband wireless transmission
10/18/2000EP1045561A2 Frequency correction in multicarrier receivers
10/18/2000EP1045541A2 Multiresolution transmission and error correction coding with multicarrier signals
10/18/2000EP1044509A2 Transmitter of multiple frequency radio communication system
10/17/2000US6134281 Method and apparatus for calibration of a signal processing system utilizing digital down converters
10/17/2000US6134227 Secondary channel for radio frequency communications
10/10/2000US6130876 Method and apparatus for restoring a network
10/10/2000US6130875 Hybrid centralized/distributed precomputation of network signal paths
10/04/2000EP1041766A2 Apparatus for communicating multiple digital representations of a signal
10/04/2000EP1041756A2 Multistream-in-band-on-channel transmission system
10/03/2000US6128335 Software rate adaptable modem with forward compatible and expandable functionality and method of operation
10/03/2000US6128277 Reliable array of distributed computing nodes
09/2000
09/29/2000CA2302608A1 Multistream in-band-on-channel systems
09/28/2000WO2000057660A1 Method and base station for allocating a channel required for a radio transmission
09/27/2000EP1039682A2 Multiresolution transmission, in particular with multicarrier singals
09/27/2000EP1039681A2 Mutliresolution transmition and error correction coding, with multicarrier signals
09/27/2000EP1039680A2 Multiresolution transmission and error correction coding with multicarrier modulation
09/27/2000EP1039679A2 Multiresolution transmission with multicarrier signals
09/27/2000EP1039678A2 Multiresolution transmission, particularly with multicarrier signals
09/27/2000EP1039677A2 Multiresolution transmission and error correction coding, with multicarrier modulation
09/27/2000EP1039676A2 Multiresolution transmission, in particular with multicarrier signals
09/27/2000EP1039675A2 Multiresolution transmission with multicarrier signals
09/27/2000EP1039674A2 Multiresoltion transmission and error correction coding with multicarrier signals
09/27/2000EP1039673A2 Multiresolution transmission and error correction coding with multicarrier signals
09/27/2000EP1039667A2 Variable transmission rate digital modem with multi-rate filter bank
09/20/2000EP0916200B1 Testing facility for a broadband communications system
09/20/2000CN1267416A Metropolitan wide area network
09/14/2000WO2000054501A1 An upconverter for a television signal headend distribution center handling analog and digital signals and method of making and using the same
09/13/2000EP0660983A4 Method and apparatus for separating channels from a radio frequency transmitter
09/13/2000CN1266568A Transmitter
09/13/2000CN1266558A Activation of multiple XDSL modems with implicit channel probe
09/12/2000US6118794 Digital signal processing apparatus for frequency demultiplexing or multiplexing
09/12/2000US6118758 Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture
09/06/2000EP1033006A1 Apparatus and method for concurrent voice and data transmission
09/06/2000CN1265797A Methods and apparatus for joint demodulation of adjacent channel signals in digital communications system
09/05/2000US6115390 Bandwidth reservation and collision resolution method for multiple access communication networks where remote hosts send reservation requests to a base station for randomly chosen minislots
08/2000
08/31/2000WO2000051350A1 Video transmission system and method utilizing phone lines in multiple unit dwellings
08/31/2000WO2000051273A1 Method and system for conveying multiple calls on a single telephone line
08/31/2000WO2000051059A2 Architecture and method for high bandwidth data transmission in a 'last mile' telecommunications system
08/30/2000EP1032156A2 Windowed presummation calcualtor for digital channeliser
08/30/2000EP1032155A2 Cyclic shifting for a digital channeliser
08/30/2000EP1032154A2 Configurable multi-rate channelizer for use in multiple data rate applications
08/30/2000EP1032149A2 Efficient digital channelizer system and method of operation thereof
08/30/2000EP1032136A1 Nyquist band frequency translation
08/30/2000EP1032124A2 Digital channelizer having efficient architecture for presum discrete fourier transformationselectively of real or complex data and method of operation
08/30/2000EP1031933A2 Digital channelizer having efficient architecture for discrete fourier transformation and operation thereof
08/30/2000EP1031932A2 DFT channelizer
08/26/2000CA2298872A1 Digital channelizer having efficient architecture for presum discrete fourier transformation selectively of real or complex data and method of operation
08/26/2000CA2298862A1 Digital channelizer having efficient architecture for window presum operation and method of operation thereof
08/24/2000WO2000049749A1 Communication device and communication method
08/24/2000CA2329178A1 Communications apparatus and a communications method
08/23/2000EP1030522A1 Method for transmitting upstream signals to a satellite from a video communication signals distribution network
08/23/2000EP1030488A2 Coherent detection system for multicarrier signals
08/23/2000CN1264234A Priority enhanced information transfer device and its method
08/23/2000CA2299034A1 Configurable multi-rate channelizer for use in multiple data rate applications
08/22/2000US6108517 Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems
08/17/2000WO2000048331A1 A method and arrangement for reducing cyclo-stationary cross-talk noise
08/17/2000WO2000048318A1 Circuit for the frequency multiplication of an angle modulated signal using a pll and method
08/17/2000DE10004886A1 Receiver for modulated wave, carrying data with number of multiplexed intermediate carriers, with high precision for adaptive phase synchronisation
08/16/2000EP1028558A1 A method and apparatus for reducing cyclo-stationary cross-talk noise
08/16/2000EP1027782A2 Telecommunication system for wireless telecommunication with a cdma, fdma and tdma multiple access component
08/15/2000US6104848 WDM optical transmitter
08/10/2000WO1999053666A8 Coarse frequency synchronisation in multicarrier systems
08/09/2000CN1262829A Transmitting/receiving device and transmitting/receiving method
08/08/2000US6101169 Method and apparatus for unambiguous topological determinancy in an unpowered stack configuration
08/02/2000CN1261996A Multiple mode direct conversion receiver
08/02/2000CN1261757A Coarse frequency deviation estimate device in orthogonal frequency-diviion multiple receiver
08/01/2000US6098103 Automatic MAC control frame generating apparatus for LAN flow control
08/01/2000US6097762 Communication system
08/01/2000US6097738 Multi-speed retainer
08/01/2000US6097737 Method and apparatus for control of carrier frequency and modulation and for quantizing block data
07/2000
07/27/2000WO1998047252A3 Personal audio message processor and method
07/26/2000EP1021879A1 Full-duplex communication processor
07/26/2000EP1021870A2 Method and apparatus for wireless communication employing control for confidence metric bandwidth reduction
07/25/2000US6094444 Point-to-points signal transmission system
07/25/2000US6094285 All optical RF signal channelizer
07/25/2000CA2151375C A wireless packet data communications modem and method of use therein
07/25/2000CA2142661C Radio station apparatus and signal transmission method thereof
07/20/2000WO2000042727A1 Optical communications networks utilizing frequency division multiplexing
07/20/2000WO2000042725A1 Method and apparatus for the generation of analog telephone signals in digital subscriber line access systems
07/20/2000CA2360873A1 Optical communications networks utilizing frequency division multiplexing
07/19/2000EP1021012A1 Communications network system for multiple access
07/19/2000EP1020999A1 Mobile communication system with compressed mode operation and method of operating the same
07/19/2000EP1019841A1 A reliable array of distributed computing nodes
07/19/2000CN1260924A Personal audio massage processor and method
07/18/2000US6092093 Multiplexer device for frequency bands
07/18/2000US6091705 Method and apparatus for a fault tolerant, software transparent and high data integrity extension to a backplane bus or interconnect
07/18/2000US6091704 Digital multi-channel demultiplexer/multiplexer (MCD/M) architecture
07/13/2000WO2000018142A3 Apparatus and method of searching for pn sequence phase in multi-carrier cdma mobile communication system
07/13/2000WO2000018051A9 Method and apparatus for multiple access communication
07/12/2000EP1018228A1 Wireless fdd/tdma communications system with a fixed radio station, and mobile stations
07/12/2000CN1260098A Data transmission method, reception method and receiver
07/11/2000US6088406 Reception method, reception apparatus and timing detecting apparatus
07/11/2000US6088403 Signal extraction method and apparatus
07/11/2000US6088381 System for transporting frequency hopping signals
07/11/2000US6088330 Reliable array of distributed computing nodes
07/06/2000WO2000039920A1 Multi-frequency transmitter using predistortion and a method of transmitting
07/05/2000EP1016303A2 Channel structure for communication systems
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