Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
07/2000
07/12/2000EP1018228A1 Wireless fdd/tdma communications system with a fixed radio station, and mobile stations
07/12/2000EP0638216B1 Cross-connection architecture for sdh-signals comprising time- and space division switch groups
07/12/2000CN1260098A Data transmission method, reception method and receiver
07/12/2000CN1259838A System and method for radio channel communication in CDMA communication system
07/12/2000CN1259827A Advanced top terminal for cable TV transmission system
07/12/2000CN1259826A Advanced top terminal for cable TV transmission system
07/12/2000CN1259814A Multiple transmission mode bus communication
07/12/2000CN1259803A Special interface for point-to-multiple point communication business
07/11/2000US6088736 Joint flow control mechanism in a telecommunications network
07/11/2000US6088601 Sound encoder/decoder circuit and mobile communication device using same
07/11/2000US6088590 Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
07/11/2000US6088413 Apparatus for reducing jitter in a desynchronizer
07/11/2000US6088412 Elastic buffer to interface digital systems
07/11/2000US6088411 Method and apparatus for a unique word differential detection and demodulation using the unique word differential detection
07/11/2000US6088372 Time division multiplexing system for digital exchange
07/11/2000US6088366 Device and method for converting a data transfer rate in communication of digital audio and video data
07/11/2000US6088364 Interface apparatus connecting between multimedia network and music network
07/11/2000US6088354 System for, and method of, providing a header and a trailer in data packets
07/11/2000US6088352 Bit sliced digital cross connect switching system controlled by port units
07/11/2000US6088334 System and method for determining end-to-end characteristics of a data communication channel
07/11/2000US6088332 Data bus system with resource control compensating for limited transmission capacity
07/11/2000US6088330 Reliable array of distributed computing nodes
07/11/2000US6088141 Self-healing network
07/11/2000US6088051 System and method for user-server telecommunication in accordance with performance capabilities of a controller
07/06/2000WO2000039946A1 Handset time synchronisation to a wireless telephone base station
07/06/2000DE19962242A1 Einrichtung und Verfahren zur Messung der Bitfehlerrate eines Telekommunikationskanals Apparatus and method for measuring the bit error rate of a telecommunication channel
07/06/2000DE19860465A1 Method of coding functional units for performing different program routines based on installation location by storing physical parameter of functional unit such as impedance as digital address
07/06/2000DE19856043A1 Data transfer device for centrally controlled mobile radio systems with broadcast control channel divided into data field for permanent broadcast information and data field for flexible broadcast information
07/05/2000EP1017245A2 Transmission system, and station unit and remote units to be used therein
07/05/2000EP1017194A2 2.048 MHz clock converter to line signal at 2.048 Mbit/s
07/05/2000EP1017193A2 Multiplexer
07/05/2000EP1017190A2 Radio channel multiplex communication method, a mobile unit, and a base station in CDMA mobile communication system
07/05/2000EP1016233A1 Constant phase crossbar switch
07/05/2000EP1016232A1 Method and apparatus for splicing complete transport streams from multiple sources
07/05/2000EP1016225A2 Mobile station assisted timing synchronization in a cdma communication system
07/05/2000EP1016024A2 System and method for detecting and managing fraud
07/05/2000EP0637414B1 Synchronization of sdh signals
07/05/2000CN1258995A Request mechanism and communication system between interactive terminal and main station
07/05/2000CN1258972A Transmission system and used station unit and long-distance unit in it
07/05/2000CN1258964A Burst transmission output power controller capable of lowering phase error
07/05/2000CN1054244C Interoffice phase synchronizing system
07/05/2000CA2293115A1 Scaleable bandwidth interconnect
07/05/2000CA2257753A1 Scaleable bandwidth interconnect
07/04/2000US6084891 Bi-directional channel analysis
07/04/2000US6084889 ATM multiplexing apparatus, ATM demultiplexing apparatus, and communication network with the apparatus
07/04/2000US6084887 Signaling protocol conversion system
07/04/2000US6084865 Dual mode satellite/cellular terminal
07/04/2000US6084863 Method and system for controlling a radio communication repeater
07/04/2000US6084861 Radio communication system
07/04/2000US6084853 Method of managing digital signal carrying facilities
07/04/2000US6084852 Burst mode preamble
07/04/2000CA2252807C Bundled protection switching in a wide area network
07/04/2000CA2125277C Controllable multiplexer for a digital switch
06/2000
06/30/2000CA2293201A1 Bit error rate tester
06/29/2000WO2000038473A1 System and method for connecting calls with a time division multiplex matrix
06/29/2000WO2000038472A1 System and method for connecting a call in a tandem architecture
06/29/2000WO2000038464A2 A method and arrangement concerning speech quality in radio communication
06/29/2000WO2000038362A1 Method for transmitting data in frame between data transmission units
06/29/2000WO2000038361A2 Clock synchronization in telecommunications network using system frame number
06/29/2000WO2000038357A1 Digital broadcasting receiver
06/29/2000WO2000038354A2 Signalling method and telecommunication system
06/29/2000WO2000038353A1 Method of mac synchronization in tdma-based wireless networks
06/29/2000WO2000038349A1 Mobile communication system and method of operating the same having compressed mode operation
06/29/2000DE19859835A1 Anwendungsspezifische Halbleiterschaltung (ASIC) für den Einsatz in Übertragungseinrichtungen eines digitalen Netzwerks Application specific semiconductor circuit (ASIC) for use in transmission equipment of a digital network,
06/29/2000DE19858149A1 Verfahren zum Übertragen eines digitalen Breitbandsignals durch Aufteilen in mehrere virtuell verkettete Signale Method for transmitting a wideband digital signal by dividing into a plurality of virtually concatenated signals
06/29/2000CA2358098A1 System and method for connecting calls with a time division multiplex matrix
06/29/2000CA2356352A1 System and method for connecting a call in a tandem architecture
06/29/2000CA2353598A1 Clock synchronization in telecommunications network using system frame number
06/29/2000CA2352096A1 Mobile communication system and method of operating the same having compressed mode operation
06/28/2000EP1014750A2 Method, system and apparatus for transmitting coded telecommunication signals
06/28/2000EP1014745A1 Method and arrangement to generate data cells and data cells receiving arrangement
06/28/2000EP1014612A2 Universal optical network unit for use in narrowband and broadband access networks
06/28/2000EP1014611A2 Method and apparatus for optimizing, in the presence of failure, the availability of low-priority channels in a transmission fiber optic transoceanic MS-SP ring
06/28/2000EP1014610A2 Application specific integrated circuit (ASIC) for use in transmission devices in a digital network
06/28/2000EP1014603A2 Method for detecting and locating a break in a synchronous digital hierarchy (SDH) optical link system
06/28/2000EP1014601A1 Synchronization method in a telecommunication system
06/28/2000EP1014570A2 Burst-type transmission output power control apparatus capable of reducing phase errors
06/28/2000EP1013133A2 Radio communication system
06/28/2000EP1013098A1 Bit stream splicer with variable-rate output
06/28/2000EP1013032A1 Method and apparatus for inserting/extracting sets of signals into/from a signal stream
06/28/2000EP1013019A2 Method for modelling and realising connections in an sdh digital cross-connect
06/28/2000EP1013010A1 Indoor communication system and synchronisation for a receiver
06/28/2000EP1013001A1 Method and apparatus for wireless communication employing aggregation for digital signals
06/28/2000CN1258153A Synchronous data transmitting protocol through high-voltage interface
06/28/2000CN1258146A Time-division multiplex buffering
06/28/2000CN1258145A 1 : N redundance in communication system
06/28/2000CN1258142A Circuit, system and method for detecting synchronous character in bit stream communication equipment
06/28/2000CN1258140A Radio communication with multiple transmitting modes
06/28/2000CN1258137A Demand assignment multiple access technique
06/27/2000USRE36751 ATM switching system connectable to I/O links having different transmission rates
06/27/2000US6081721 Communication method, base station and terminal apparatus
06/27/2000US6081570 Parallel integrated frame synchronizer chip
06/27/2000US6081569 Method and apparatus for determining the change in frequency of a reference signal
06/27/2000US6081567 Method and apparatus for synchronizing a data communication system to a periodic digital impairment
06/27/2000US6081561 Method and apparatus for receiving and reconstituting a data signal employing oversampling and selection of a sampled data signal remote from transitions in the data signal
06/27/2000US6081550 Method of testing clock paths and network elements for carrying out the method
06/27/2000US6081538 Resynchronization of data
06/27/2000US6081536 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
06/27/2000US6081535 STM-16 network-node interface in an ATM switch and the fault diagnosing method thereof
06/27/2000US6081526 Apparatus and methods for transmitting an MPEG information signal, and a method for reproducing that signal