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)
11/2003
11/12/2003EP1360780A1 Satellite communication system with multiple variable data rate carrier
11/11/2003US6647068 Variable state length initialization
11/11/2003US6647066 Method of determining a frequency offset between a set frequency and a desired frequency for synchronization with a multicarrier signal
11/11/2003US6647024 System and method for an all digital communication system with a life line
11/11/2003CA2206311C Multiple access digital transmitter/receiver and method
11/06/2003WO2003092235A1 Method and apparatus for reducing peak to average power ratio of a multi-carrier signal
11/06/2003WO2003061143A3 Coding a masked data channel in a radio signal
11/06/2003US20030208655 Multisection memory bank system
11/04/2003US6643339 Receiver and receiving method
11/04/2003US6643333 Method and transmitting device for transmitting data symbols from subscriber signals via a radio interface of a mobile communications system
11/04/2003CA2299021C Digital channelizer having efficient architecture for discrete fourier transformation and operation thereof
10/2003
10/30/2003WO2003090467A1 Full-service broadband cable modem system
10/30/2003WO2003090391A1 Rlp logical layer of a communication station
10/30/2003WO2003090390A1 Method and apparatus for communication
10/30/2003WO2003090011A2 Software parameterizable control blocks for use in physical layer processing
10/30/2003US20030204618 Using virtual identifiers to process received data routed through a network
10/30/2003US20030202611 Method and apparatus for reducing peak to average power ratio of a multi-carrier signal
10/30/2003US20030202536 Integrated analysis of incoming data transmissions
10/30/2003US20030202535 Parallel analysis of incoming data transmissions
10/30/2003US20030202472 Method and apparatus for preserving flow order across links of a multi link trunk
10/30/2003CA2482816A1 Method and apparatus for broadband shared medium networks
10/30/2003CA2482616A1 Software parameterizable control blocks for use in physical layer processing
10/30/2003CA2482495A1 Rlp logical layer of a communication station
10/29/2003EP1356544A1 Carrier interferometry coding and multicarrier processing
10/29/2003EP1262019B1 Apparatus for splitting the frequency band of an input signal
10/29/2003CN1126301C Method and apparatus for generating plural quadrature modulated carriers
10/28/2003CA2310812C Apparatus and method of searching for pn sequence phase in multi-carrier cdma mobile communication system
10/21/2003US6636569 Nyquist band frequency translation
10/21/2003US6636525 Destination dependent coding for discrete multi-tone modulation
10/16/2003WO2003005740A3 Burst configuration with single carrier and multicarrier sections
10/16/2003US20030193969 Method and apparatus for communication
10/15/2003EP1352335A1 Method and system for implementing ospf redundancy
10/15/2003CN1124714C Method and apparatus for receiving orthogonal frequency division multiplexed signal
10/09/2003WO2003084117A1 Dmt system for reducing far end crosstalk
10/09/2003US20030189927 Method and system for multiframe buffering in a routing device
10/08/2003EP1351420A1 TDMA receiver
10/08/2003CN1124000C Signal light outputting appts. and optical transmission system having signal light outputting appts.
10/08/2003CN1123985C Transmitter of multiple frequency radio communication system
10/07/2003US6631255 Multi-carrier receiver for a wireless telecommunication system
10/02/2003WO2003081906A1 Signal receiver for reveiveg simultaneously a plurality of broadcast signals
10/02/2003WO2003081820A1 Method of mobile communication system with smart antenna
10/02/2003WO2003081817A1 METHOD AND APPARATUS PROVIDING MULTIPLE TEMPORARY BLOCK FLOW (TBF) MAPPING TO UPPER LAYER WHEN OPERATING IN GSM/EDGE RADIO ACCESS NETWORK (GERAN) A/Gb MODE
10/02/2003WO2001097412A3 Optical communications system utilizing frequency division multiplexing
10/02/2003US20030185228 TDMA receiver
10/01/2003CN1446012A Method for transmitting high speed down stream packet switched data in intelligence antenna mobile communication system
10/01/2003CN1123265C Method and apparatus for frequency planning in multi-system cellular communications network
10/01/2003CN1123134C Multiple-band communication receiver and method for receiving communication signal
09/2003
09/30/2003US6628960 Multi-mode radio receiver
09/30/2003US6628738 Method of arrangement to determine a clock timing error in a multi-carrier transmission system, and a related synchronization units
09/30/2003US6628606 Coarse frequency offset estimator in orthogonal frequency division multiplexing receiver and method thereof
09/25/2003WO2003050991A3 System and method for improving data transmission
09/25/2003US20030179766 Method and apparatus for cross-talk cancellation in frequency division multiplexed transmission systems
09/25/2003US20030179726 Method and apparatus providing multiple temporary block flow (TBF) mapping to upper layer when operating in GSM/EDGE radio access network (GERAN) A/Gb mode
09/25/2003US20030179723 Satellite signal distribution systems
09/24/2003EP1347644A2 Satellite signal distribution systems
09/23/2003US6625427 Radio transmission apparatus
09/21/2003CA2421690A1 Satellite signal distribution systems
09/17/2003EP1344335A2 Sub-channels for the random access channel in a time division duplex system
09/16/2003CA2289480C Unified access platform distributing atm cells and telephony signals to subscriber premises over twisted wire pairs
09/12/2003WO2003075496A2 Authenticated change of media provided over a dsl connection
09/11/2003US20030169724 Method and system for authenticated fast channel change of media provided over a DSL connection
09/11/2003US20030169189 Robust system for transmitting and receiving map data
09/10/2003CN1442004A System and process for return channel spectrum manager
09/09/2003US6618355 Service tariffing based on usage indicators in a radio based network
09/09/2003CA2270774C Multi-carrier transmission with bit rate variation in a noise environment
09/04/2003WO2003028255A3 Method and apparatus for data transfer using a time division multiple frequency scheme
09/04/2003US20030167425 System and method for transmitting audio or video data using multiple levels of protection
09/04/2003US20030165200 Method and apparatus for simultaneously retrieving portions of a data stream from different channels
09/04/2003US20030165183 Method and system for increased bandwidth efficiency in multiple input - multiple output channels
09/04/2003US20030165163 System and method for transmitting, distributing and mixing audio or video data over a network system having multiple input modules and control surfaces, without data degradation and delay
09/03/2003EP1341340A2 Activation of multiple xDSL modems with implicit channel probe
09/03/2003EP1341339A2 Activation of multiple xDSL modems with implicit channel probe
09/03/2003EP1341338A2 Activation of multiple xDSL modems with implicit channel probe
09/03/2003EP1341337A2 Activation of multiple xDSL modems with implicit channel probe
09/03/2003CN1440135A Method for reducing interferes between sub-carriers in multi-carrier communication system and receiver therefor
09/03/2003CN1120602C Method and device for fine frequency synchronization in multi-carrier demodulating system
09/03/2003CN1120580C Method and device for reserving resources
09/02/2003US6615044 Method of WCDMA coverage based handover triggering
09/02/2003US6615043 Efficient carrier raster scanning
08/2003
08/28/2003WO2003071728A2 Method and apparatus for adapting multi-band ultra-wideband signaling to interference sources
08/28/2003WO2003071682A2 Flexible method and apparatus for encoding and decoding signals using a time division multiple frequency scheme
08/28/2003US20030161354 System and method for transmitting and distributing audio or video data over a network system having multiple receivers
08/28/2003US20030161347 System and method for transmitting audio and video data over an asynchronous link that provides a synchronous recreation of the transmitter's data clock at a receiver
08/28/2003US20030161324 System and method for transmitting and reconstructing audio or video data using intelligent sample interleaving of transmitted data requiring fewer orders of interpolation to accurately reconstruct audio or video data at the receiver in the event of data lost
08/27/2003EP1095478A4 Optimized integrated high capacity digital satellite trunking network
08/27/2003EP0620959B1 Frequency synchronized bidirectional radio system
08/27/2003CN1438780A Frequency selection method and receiver
08/26/2003US6611507 System and method for effecting information transmission and soft handoff between frequency division duplex and time division duplex communications systems
08/21/2003US20030156602 Asynchronous digital signal combiner and method of combining asynchronous digital signals in cable television return path
08/21/2003US20030156570 Method for frequency division duplex communications
08/20/2003EP1337085A2 Reduction of interference between subcarriers in multicarrier communication systems
08/20/2003EP1337041A1 Frequency selection method and receiver
08/20/2003CN1118976C Transmission apparatus capable of damping peak power level before singnal output
08/19/2003US6608863 Coherent detection system for multicarrier modulation
08/14/2003US20030153290 Frequency selection method and receiver
08/14/2003US20030153285 Methods for determining the gains of different carriers, radio transmission units and modules for such units
08/14/2003US20030152050 Method of reducing inter-subcarrier interference in multicarrier communication systems and receiver using it
08/13/2003CN1436412A Method for determining gains of different carriers, radio transmission units and modules for such units
08/12/2003US6606485 Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system
08/12/2003CA2328169C Coarse frequency synchronisation in multicarrier systems
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