Patents for H04J 1 - Frequency-division multiplex systems (15,293) |
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05/25/2005 | CN1620777A Data communication method for use between single carrier system and multiple carrier system |
05/25/2005 | CN1203610C Frequency changing device |
05/24/2005 | US6898207 Techniques for communicating information using Hermite-Gaussian basis functions |
05/24/2005 | US6898188 Gatekeeper simulator in a LAN telephony system |
05/19/2005 | WO2005045689A2 Methods and systems for network coordination |
05/19/2005 | WO2004081745A3 Methods and systems for dynamic, rules-based peg counting |
05/19/2005 | US20050105477 Network for telephony and data communication |
05/19/2005 | US20050105472 Test access matrix (TAM) protector module and associated circuitry for a telecommunications system |
05/18/2005 | EP1531558A1 Transmitting apparatus, receiving apparatus, radio communication method, and radio communication system |
05/18/2005 | CN2701176Y Radio code-division multi-access user equipment |
05/17/2005 | US6895059 Method and apparatus for data transfer using a time division multiple frequency scheme |
05/17/2005 | US6894987 Method and apparatus for integrating video, voice and computer data traffic in a single, conferencing system using existing telephone and CATV connections |
05/17/2005 | US6894973 Fair bandwidth sharing for video traffic sources using distributed feedback control |
05/17/2005 | US6894972 Intelligent collaboration across network system |
05/12/2005 | WO2005043780A1 Method of downlink resource allocation in a sectorized environment |
05/12/2005 | US20050100043 Network combining wired and non-wired segments |
05/12/2005 | US20050099955 Ethernet OAM fault isolation |
05/12/2005 | US20050099948 Automated path tracing through switching mesh |
05/11/2005 | EP1344335B1 Sub-channels for the random access channel in a time division duplex system |
05/11/2005 | EP1116351A4 Method and apparatus for multiple access communication |
05/11/2005 | CN1614966A Radio communication device |
05/11/2005 | CN1614919A DSL system for transferring mixed DSL signals through user access wire |
05/10/2005 | US6891858 Dynamic modulation of modulation profiles for communication channels in an access network |
05/10/2005 | US6891812 Method and apparatus for data rate control in a communication system |
05/05/2005 | US20050095986 Spectrum sharing in the unlicensed band |
05/05/2005 | US20050094673 Signal generator for digital broadcasting |
05/05/2005 | US20050094556 Multi-link network architecture, including security, in seamless roaming communications systems and methods |
05/04/2005 | EP1527646A1 System and method for retransmission of data |
05/04/2005 | EP1527523A2 Channel switching for support of multimedia broadcast and multicast services |
05/04/2005 | EP1495567A4 Software parameterizable control blocks for use in physical layer processing |
05/04/2005 | EP1271894B1 Packet transmitter unit, packet receiver unit and packet transmission system |
05/04/2005 | CN1613205A 多信道宽带内容分配系统 Multichannel broadband content distribution system |
05/04/2005 | CN1612553A Method of initializing equalizer of digital television receiver and equalizer using the same |
05/04/2005 | CN1612496A Spectrum sharing in the unlicensed band |
04/28/2005 | WO2005039082A1 Frequency combining apparatus and frequency combining method |
04/28/2005 | US20050089114 Dynamic allocation of frequency spectrum |
04/28/2005 | US20050088958 Crosstalk reduction in a backplane employing low-skew clock distribution |
04/27/2005 | EP1526674A1 Method for subcarrier allocation and for modulation scheme selection in a wireless multicarrier transmission system |
04/27/2005 | EP1526660A1 User equipment for communicating using a physical random access channel |
04/27/2005 | EP1525704A1 Time-frequency interleaved mc-cdma for quasi-synchronous systems |
04/27/2005 | EP1525690A1 Methods and apparatus for network signal aggregation and bandwidth reduction |
04/27/2005 | EP1525689A1 Software fault tolerance between nodes |
04/27/2005 | EP1525688A1 Centralized buffer architecture for an orthogonal frequency division multiplexing (ofdm) receiver |
04/27/2005 | EP0883940B1 Subtractive multicarrier cdma access methods and systems |
04/27/2005 | CN1611026A Apparatus and method for generating preamble sequence in an OFDM communication system |
04/27/2005 | CN1611025A Methods and communications terminals for increasing capacity CDMA communications networks |
04/27/2005 | CN1610333A Method for subcarrier allocation and for modulation scheme selection in a wireless multicarrier transmission system |
04/26/2005 | US6885670 Method and apparatus for fault tolerant, software transparent and high data integrity extension to a backplane or bus interconnect |
04/26/2005 | US6885637 Distributed determination of explicit rate in an ATM communication system |
04/26/2005 | CA2169787C Vehicle communications network with improved current sourcing |
04/21/2005 | WO2005036804A2 Apparatus, and associated method, for facilitating communication handoff in multiple-network radio communication system |
04/21/2005 | WO2005036789A1 Method of optimizing a network |
04/21/2005 | US20050085236 Method for subcarrier allocation and modulation scheme selection in wireless multicarrier transmission system |
04/21/2005 | US20050085196 Radio communication device |
04/21/2005 | US20050085190 Wireless communication system, wireless communication apparatus, wireless communication method and computer program |
04/21/2005 | US20050083837 Transmission system |
04/20/2005 | EP1523820A1 A fault-tolerant broadcast router |
04/20/2005 | EP1380115B1 Transmitting device limiting the out-of-band interferences |
04/20/2005 | CN1198441C Network for telephony and data communication |
04/14/2005 | WO2005034408A2 Wireless network system and method |
04/14/2005 | WO2005004370A3 Quality determination for packetized information |
04/14/2005 | WO2004114576A3 System for crosstalk noise reduction on twisted pair |
04/14/2005 | US20050081110 Hybrid agent-oriented object model to provide software fault tolerance between distributed processor nodes |
04/14/2005 | US20050078710 General interface control circuit |
04/14/2005 | US20050078709 Device and method for avoiding retraining processes in integrated voice and xdsl data transmission |
04/14/2005 | US20050078601 Hash and route hardware with parallel routing scheme |
04/13/2005 | EP1522151A2 System and method for a direct conversion multi-carrier processor |
04/13/2005 | CN2692925Y Code Division Multiplex channel access substation for estimating interference signal code power and noise deviation |
04/12/2005 | US6879626 Transmission/reception apparatus and modulation system estimation method |
04/12/2005 | US6879601 Method and system for conveying multiple calls on a single telephone line |
04/07/2005 | US20050074057 System and method for modulation on demand in a computing device |
04/07/2005 | US20050073973 Method of downlink resource allocation in a sectorized environment |
04/07/2005 | US20050073950 Method and apparatus for resolving deadlock of auto-negotiation sequence between switches |
04/06/2005 | EP1521399A1 Radio communication method, radio communication terminal, and radio lan system |
04/06/2005 | EP1520363A1 Mt-cdma using spreading codes with interference-free windows |
04/06/2005 | EP1520351A1 Ultra-wideband signal receiver using frequency sub-bands |
04/06/2005 | EP1097535A4 An improved wireless transceiver and frequency plan |
04/06/2005 | EP0920757B1 Signal transformation method and apparatus |
04/06/2005 | CN1604543A Method and apparatus for resolving deadlock of auto-negotiation sequence between switches |
04/06/2005 | CN1604510A New access preamble generating method in OFDM communication system |
04/06/2005 | CN1196366C Communication network with improved access protocol |
04/06/2005 | CN1196294C Method for determining gains of different carriers, radio transmission units and modules for such units |
04/06/2005 | CN1196287C Satellite direct radio broadcast system |
03/31/2005 | WO2005029744A2 Ultra-wideband communication protocol |
03/31/2005 | US20050068994 Variable bandwidth signal multiplexer and demultiplexer |
03/31/2005 | US20050068983 Policy and attribute based access to a resource |
03/31/2005 | US20050068930 Method of allocating frequency subband and apparatus adopting the same |
03/31/2005 | US20050068910 Method of optimizing a network |
03/31/2005 | US20050068886 Multi-symbol encapsulated OFDM transmission |
03/30/2005 | CN1601940A Phase annoying method of signal peak even power rate suppressed quadrature frequency division complex |
03/29/2005 | CA2483117A1 Multi-symbol encapsulated ofdm system |
03/29/2005 | CA2477907A1 Variable bandwidth signal multiplexer and demultiplexer |
03/24/2005 | WO2005008392A3 Network span protection using span identifiers |
03/24/2005 | US20050063496 Method of selecting a receiving path and receiving device comprising sereral receiving paths |
03/24/2005 | US20050063330 Method for uplink bandwidth request and allocation based on a quality of service class in a broadband wireless access communication system |
03/24/2005 | US20050063298 Synchronization in a broadcast OFDM system using time division multiplexed pilots |
03/23/2005 | EP1517458A1 Sub-channels for the random access channel in a time division duplex system |
03/23/2005 | CN1599988A Method of selecting a receiving path and receiving device comprising several receiving paths |
03/23/2005 | CN1599298A OFDM frequence synchronous method at multi-path channel |
03/22/2005 | US6871046 Radio transmitting apparatus and radio transmitting method |