Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
01/2003
01/08/2003EP1274213A2 Synchronizing clocks across sub-nets
01/08/2003EP1274207A2 Method and apparatus for interfacing a parallel connection
01/08/2003EP1274191A1 Method and apparatus for obtaining a scalable and managed bandwidth for connections between asynchronous level and synchronous hierarchy level in a telecommunication network
01/08/2003EP1274190A2 Time synchronisation system and method
01/08/2003EP1274186A2 Control system using a mini slot signal in a passive optical network
01/08/2003EP1274182A1 Radio base station and program recorded medium
01/08/2003EP1274180A1 Radio
01/08/2003EP1273185A2 Reducing radio link supervision time in a high data rate system
01/08/2003EP1273120A2 Frame-based communication with variable rate payload
01/08/2003EP1273116A2 Clock recovery in a packet-based data network
01/08/2003EP1273112A1 Synchronization of timing advance and deviation
01/08/2003EP1118055B1 Spike-free clock switching
01/08/2003EP0990365B1 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (cdma) radio link
01/08/2003EP0801868B1 Method for the adaptive assignment of the transmission capacity of a transmission channel
01/08/2003EP0668667B1 Interoffice phase synchronizing system
01/08/2003CN1390402A Apparatus and method for gating data on control channel in CDMA communication system
01/08/2003CN1390051A Flow changing device for changing data flow to output correct data flow
01/08/2003CN1098586C TDMA channel switching-ini system and central station far-end station used thereby
01/08/2003CN1098578C Self-interference cancellation method and system for two-party relayed communication
01/07/2003US6504921 Apparatus and method for network-initiated real-time multi-party communications
01/07/2003US6504855 Data multiplexer and data multiplexing method
01/07/2003US6504853 Reallocation procedure
01/07/2003US6504850 Encoded signal transmission method and encoded signal transmission apparatus
01/07/2003US6504848 Binary-tree method and system for multiplexing scheduling
01/07/2003US6504838 Voice and data exchange over a packet based network with fax relay spoofing
01/07/2003US6504836 Communication system
01/07/2003US6504834 Wireless network
01/07/2003US6504822 Device and method for detecting and/or measuring the misconnection time in telecommunication networks
01/07/2003US6504636 Optical communication system
01/07/2003US6504576 Digital signal coding method and apparatus, signal recording medium, and signal transmission method for recording a moving picture signal and an acoustic signal
01/07/2003CA2268406C Optical cross-connect restoration technique
01/07/2003CA2254960C System and method for determining end-to-end characteristics of a data communication channel
01/03/2003WO2003001820A1 Radio network control
01/03/2003WO2003001801A1 Data transmitting device and method
01/03/2003WO2003001761A1 Method and apparatus for transmitting data in a time division duplex system
01/03/2003WO2003001737A2 Method and system for processing upstream packets of an optical network
01/03/2003WO2003001728A1 Transmission method
01/03/2003WO2002089375A3 A transmission method
01/03/2003WO2002085032A3 System and method for inserting video and audio packets into a video transport stream
01/03/2003CA2426813A1 Method and system for processing upstream packets of an optical network
01/02/2003US20030005165 Protection switching in ring-configured networks
01/02/2003US20030003951 Method of switching from a first mobile radio mode to a second mobile radio mode and an associated multimode mobile terminal
01/02/2003US20030002859 Method and circuit for data transmission
01/02/2003US20030002609 Method and apparatus for frame-based buffer control in a communication system
01/02/2003US20030002539 Method of and system for packet communication, and computer readable recording medium having program for making computer execute the method recorded thereon
01/02/2003US20030002538 Transporting variable length ATM AAL CPS packets over a non-ATM-specific bus
01/02/2003US20030002537 Method and apparatus for controlling the timing of a communication device
01/02/2003US20030002533 Coding method
01/02/2003US20030002530 Method and apparatus for obtaining a scalable and managed bandwidth for connections between asynchronous level and synchronous hierarchy level in a telecommunication network
01/02/2003US20030002528 Disposable menstrual undergarment
01/02/2003US20030002525 Base station synchronization for handover in a hybrid GSM/CDMA network
01/02/2003US20030002520 Method for internet-protocol-based transmission of communication data
01/02/2003US20030002518 Slot assignment algorithm
01/02/2003US20030002514 Short cell multiplexer
01/02/2003US20030002505 Apparatus and method for packet-based switching
01/02/2003US20030002491 Broadband telecommunications system
01/02/2003US20030002483 Method for transmitting time information via a data packet network
01/02/2003US20030002474 Multi-stream merge network for data width conversion and multiplexing
01/02/2003US20030002459 Base station transceiver sub-system and frame offset allocation method thereof
01/02/2003US20030002450 Method and apparatus for transmitting data in a time division duplexed (TDD) communication system
01/02/2003US20030002106 Cross-connect switch and network
01/02/2003US20030001633 Master slave frame lock method
01/02/2003EP1271977A1 Method for switching from a first radio communication mode to a second radio communication mode and a multimode mobile terminal therefor
01/02/2003EP1271973A1 Dispatch call origination and set up in a cdma mobile communication system
01/02/2003EP1271894A1 Packet transmitter unit, packet receiver unit and packet transmission system
01/02/2003EP1271888A1 Method for transferring of Internet protocol based communication data
01/02/2003EP1271853A2 Communication device, method and system for interference reduction
01/02/2003EP1271829A2 Radio communications system, radio communications method, radio relay, and radio terminal
01/02/2003EP1271825A1 Method and system for multiplexed optical information transport
01/02/2003EP1271823A1 Wireless communication transmitter and receiver
01/02/2003EP1271822A2 Failure determination in an optical communication network
01/02/2003EP1271821A2 Protection switching in ring-configured networks
01/02/2003EP1271803A1 Method and device for frame construction in a TDMA system
01/02/2003EP1269743A2 Demultiplexing devices and process for at least two transport streams and a corresponding digital stream
01/02/2003EP1269654A2 Method and apparatus for controlling transmissions of a communications system
01/02/2003EP1125184B1 Network subscriber station
01/02/2003EP1050120A4 Method and apparatus for a talkgroup call in a wireless cdma system
01/01/2003CN1389079A 基站装置及无线通信方法 The base station apparatus and radio communication method
01/01/2003CN1389049A Plural station memory data sharing system
01/01/2003CN1388955A Digital inter ference apparatus
01/01/2003CN1388714A Radio communication system and frame synchronous method of base station
01/01/2003CN1388690A Fixed user unit for telecommunication
01/01/2003CN1388675A Tree service distribution method for transmission products
01/01/2003CN1388662A Interference detecting method and interference avoiding system for radio communication line
01/01/2003CN1097968C Program for determining time delay of transmission
01/01/2003CN1097917C Communication method, system and apparatus for providing virtual connection
01/01/2003CN1097913C ATM throttling
01/01/2003CN1097899C Configuration method of multiplex conversion unit and multiplex conversion unit
01/01/2003CN1097889C Radio telephone apparatus for performing space diversity technique in radio communication system
01/01/2003CN1097776C Method for connecting serial data transfer to recognize fixed mode
12/2002
12/31/2002US6502197 Method and architecture for synchronizing a transport and path overhead generator and/or extractor to an path overhead transport and path processor
12/31/2002US6502155 Radio network and method of establishing time synchronization among a plurality of buses
12/31/2002US6502131 Directory enabled policy management tool for intelligent traffic management
12/31/2002US6501809 Producing smoothed clock and data signals from gapped clock and data signals
12/31/2002US6501786 Direct spread spectrum communication system corresponding to delayed multiplex mode, and method of communication using the system
12/31/2002US6501771 Delay compensation
12/31/2002US6501769 Package having facility for performing mutual conversion among different kinds of signaling signals, time-division multiplexer equipped with package, and speech handling network using time-division multiplexer
12/31/2002US6501758 Hybrid ATM/TDM transport over a common fiber ring
12/31/2002US6501748 Method for balancing the ratio Eb/I in a service multiplexing CDMA system and telecommunication systems using same
12/31/2002CA2235083C Transparent transport