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)
05/2003
05/08/2003US20030087616 Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system
05/08/2003US20030086380 Method and apparatus for interference signal code power and noise variance estimation
05/07/2003EP1307986A2 Priority packet transmission system for a shared transmission media
05/07/2003EP0783804B1 Multiple band radio
05/06/2003US6560209 Method for frequency division duplex communications
05/01/2003US20030083054 Multi-channel broadband content distribution system
05/01/2003CA2464317A1 Method and apparatus for transient suppression in an integrated pots/dsl line card
04/2003
04/30/2003CN1107389C Satellite direct broadcast system
04/29/2003US6556631 RDS data demodulator capable of precisely attenuating ARI signal
04/29/2003CA2238641C Satellite direct radio broadcast system
04/24/2003WO2003005623A3 Protection path resources allocating method and system
04/24/2003WO2002075486A3 Credit management for data flow between two networks
04/24/2003US20030078018 Radio frequency tuner front end and tuner
04/23/2003EP1304843A2 Peak suppression method and data transmission apparatus
04/23/2003EP1303907A2 Frequency converter for multi-channel systems
04/23/2003CN1413031A Method for testing transmission channel and receiver using said method
04/23/2003CN1106777C Cellular multicarrier wireless communication system
04/23/2003CN1106722C Frequency division multiplexed transmission of sub-band signal
04/22/2003US6553011 Cellular multicarrier wireless communication system
04/22/2003US6553004 Method and device to reduce the peak factor of digital radio or television broadcasting signals
04/17/2003WO2003032272A1 Method of operating a remote control system and a remote control system comprising an rf transmission and receiving system
04/17/2003WO2002051048A3 Sub-channels for the random access channel in time division duplex system
04/17/2003WO2002043319A8 Communications architecture for storage-based devices
04/17/2003US20030073459 Process for detecting transmission channels and reception device using the process
04/17/2003US20030072321 Communication network with improved access protocol
04/17/2003US20030072265 Traffic manipulation on a computer network - I
04/16/2003EP1303066A1 Process for detecting transmission channels and reception device using the process
04/16/2003EP0990334B1 Method for transferring data with a plurality of non-equidistant frequency bands
04/16/2003CN1411640A Multi-dimensional orthogonal resource hopping multiplexing communication method and apparatus
04/10/2003US20030069009 Cellular communications channelizer
04/09/2003EP1301030A2 Method and apparatus for simultaneously retrieving portions of a data stream from different channels
04/09/2003EP1300958A2 Cellular communications channelizer
04/09/2003EP1300941A2 Distortion compensator
04/09/2003CN1409906A Dynamic selection of medium access method in communication networks
04/09/2003CN1409497A 失真补偿装置 Distortion compensation device
04/08/2003US6546090 Apparatus and method for communicating voice and data between a customer premises and a central office
04/08/2003US6546061 Signal transformation method and apparatus
04/03/2003WO2003028255A2 Method and apparatus for data transfer using a time division multiple frequency scheme
04/03/2003WO2003028206A1 Multiband receiver and method associated therewith
04/03/2003US20030063679 Demodulation of multiple-carrier phase-modulated signals
04/03/2003US20030063570 Data-update apparatus, reproduction apparatus, data-addition apparatus, data-detection apparatus and data-removal apparatus
04/02/2003CN1407737A Method and apparatus for extracting multiple parts of data flow in different channels
04/01/2003CA2228260C Weak signal resolver
03/2003
03/27/2003WO2003026242A1 A digital implementation of multi-channel demodulators
03/27/2003WO2001089119A3 Variable rate high-speed input and output in optical communication networks
03/27/2003US20030060167 Method and device for determining the fading coefficients of paths of a multi-path transmission channel linking, in particular, a base station and a cellular mobile telephone
03/27/2003US20030060165 Multi-carrier communication apparatus
03/27/2003US20030058797 Path provisioning for service level agreements in differentiated service networks
03/26/2003EP1296460A1 Method and apparatus for determining the fading coefficients of a multipath transmission channel connecting in particular a base station and a mobile telephone
03/26/2003EP1296456A2 Radio frequency tuner front end and tuner
03/26/2003CN1406421A A modulation scheme for FDD/TDD transceivers
03/26/2003CN1406413A Apparatus for splitting the frequency band of an input signal
03/20/2003WO2003024078A2 Recommendation for a 1-bit z channel for drr
03/20/2003WO2003024047A2 Reception of a plurality of phase-modulated signals
03/20/2003WO2003024007A1 System and method for information object routing in computer networks
03/20/2003WO2003023639A1 System and method for directing clients to optimal servers in computer networks
03/20/2003WO2003023607A1 System and method for information object routing in computer networks
03/20/2003US20030056221 Digital implementation of multi-channel demodulators
03/20/2003US20030053552 Distortion compensator
03/20/2003CA2459260A1 Reception of a plurality of phase-modulated signals
03/19/2003EP1293056A1 Multi-dimensional orthogonal resource hopping multiplexing communications method and apparatus
03/19/2003EP1142121B1 Circuit for the frequency multiplication of an angle modulated signal using a pll and method
03/19/2003CN1404271A Apparatus and method for keeping frame synchronization in multi-carrier transmission system
03/19/2003CN1404230A Signal multiplexer and multiplexing method
03/18/2003US6535739 Method of handoff within a telecommunications system containing digital base stations with different spectral capabilities
03/18/2003US6535552 Fast training of equalizers in discrete multi-tone (DMT) systems
03/13/2003WO2003021914A2 System and method for enabling communication between video-enabled and non-video-enabled communication devices
03/13/2003US20030048155 Low pass for an adsl frequency filter
03/12/2003EP1292060A2 Data transmission with a signalling subchannel
03/12/2003EP1290819A2 System and process for return channel spectrum manager
03/12/2003EP1012962B1 Multi-carrier transmitting apparatus and method
03/12/2003CN1402926A Method for transmitting data to be transmitted using subscriber modem
03/12/2003CN1402569A Communication channel set-up method, communication controller and radio communication system
03/12/2003CN1103151C Network apparatus and method for providing two-way broadband communications
03/11/2003US6532249 Transmitter of multiple frequency radio communication system
03/11/2003US6532099 Optical communications apparatus
03/06/2003WO2003019835A1 Data transmission for mobile wireless communication devices
03/06/2003WO2003019832A1 Mobile body communication system, multi-carrier cdma transmission apparatus, and multi-carrier cdma reception apparatus
03/06/2003US20030046705 System and method for enabling communication between video-enabled and non-video-enabled communication devices
03/06/2003US20030045970 Signaling over noisy channels
03/06/2003US20030045282 Communication channel setting method, communication controller, and radio communication system
03/06/2003US20030045247 Amplifying device
03/06/2003US20030043850 Data transmission method and apparatus and data receiving method and apparatus
03/05/2003EP1289327A2 Communication channel setting method, communication controller, and radio communication system
03/05/2003EP0584248B1 Dual mode transmitter and receiver
03/05/2003CN1400783A User's exchange device and method with asymmetrical digital user line
03/04/2003US6529530 Multiplex communicating method
03/04/2003US6529488 Multiple frequency allocation radio frequency device and method
03/04/2003US6529303 Optical communications networks utilizing frequency division multiplexing
02/2003
02/27/2003WO2003017556A2 Remote module for a communications network
02/27/2003WO2003017541A1 Variable size first in first out (fifo) memory with head and tail caching
02/27/2003US20030040331 Data transmission for mobile wireless communication devices
02/27/2003US20030039314 Method of initializing a communication system with different bandwidth receivers and transmitters
02/27/2003US20030039204 Method and apparatus for walsh space assignment in a communication system
02/27/2003CA2452862A1 Remote module for a communications network
02/26/2003EP1285508A1 Methods for determining the gains of different carriers, radio transmission units and modules for such units
02/25/2003US6526068 Interface control of communication between a control processor and a digital signal processor
02/25/2003US6526030 Channel structure for communication systems
02/20/2003WO2003015335A1 Channel estimation in a multi carrier transmit diversity system
02/20/2003WO2002099590A3 Column-based reconfigurable switching matrix
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