Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
11/1999
11/02/1999US5978382 Adaptive random access protocol and fixed search tree expansion resolution for multiple station networks
11/02/1999US5978377 STM-based ATM cell physical layer processing circuit
11/02/1999US5978369 Efficient generation within a remote base station of a synchronization signal for a cordless communication system
11/02/1999US5978359 Allocated and dynamic switch flow control
11/02/1999US5978354 Optical transmission system and transmission line switching control method
11/02/1999US5978353 Multiplex terminal station apparatus
11/02/1999US5978123 Method for the transmission of a low-rate supplementary channel in high-rate coherent optical transmission systems
11/02/1999US5978113 Apparatus for remote loopback testing and isolation of loss of signal failures within synchronous optical networks
11/02/1999CA2130070C Ring interworking between path-switched ring transmission systems
11/02/1999CA2094541C Dual hubbing in a bidirectional line-switched ring transmission system
10/1999
10/28/1999WO1999055030A1 A wireless internet access method and system
10/28/1999WO1999055029A1 Method of balancing availability of communication links in communication systems
10/28/1999WO1999055028A1 Method for synchronisation in a communication network and implementing appliances
10/28/1999WO1999054805A2 Method and apparatus for management of communications over media of finite bandwidth
10/28/1999WO1999044323A3 Telecommunications system with wireless code and time-division multiplex based telecommuncation
10/28/1999WO1999043002A3 Preserving loop fairness with dynamic half-duplex
10/28/1999WO1999022547A3 Wireless communication system in which virtual links have a variable transmission capacity
10/28/1999WO1999022527A3 Method and arrangement for transmitting data over a radio interface in a radiocommunications system
10/28/1999WO1999005820A3 Wireless communications system and method
10/28/1999DE19818325A1 Operating method for radio communications system with TDD subscriber separation
10/28/1999CA2329194A1 Method and apparatus for management of communications over media of finite bandwidth
10/28/1999CA2328865A1 A wireless internet access method and system
10/27/1999EP0952710A2 Apparatus and method for interconnecting isochronous systems over packet-switched networks
10/27/1999EP0952694A2 Optical cross-connect restoration technique
10/27/1999EP0952693A2 Packet multiplexing apparatus
10/27/1999EP0951796A1 Method and apparatus for communicating engineering orderwire information over synchronous communications network
10/27/1999EP0951763A2 Method for frequency division duplex communications
10/27/1999EP0872056A4 Closed loop clock recovery for synchronous residual time stamp
10/27/1999EP0741933B1 Sdh add-drop multiplexer
10/27/1999EP0638223B1 A method and a cross-connection architecture for error-free change-over of a cross-connection matrix
10/27/1999CN1233382A Channel allocation method and radio system using a combination of TDMA and CDMA
10/27/1999CN1233369A System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network
10/27/1999CN1233363A Method for multiplexing of parallel information streams in a CDMA system
10/27/1999CN1233122A Radio receiving method and apparatus
10/27/1999CN1233117A CDMA/TDD mobile communication system and method
10/27/1999CN1233050A Auxiliary data insertion in transport datastream
10/27/1999CN1046071C Cell resequencing system for a telecommunication network
10/26/1999US5974368 Remote vehicle data interface tag system
10/26/1999US5974104 Data frame synchronizer for serial communication system
10/26/1999US5974103 Deterministic exchange of data between synchronised systems separated by a distance
10/26/1999US5974086 Method and apparatus in a communication receiver for adjusting an operating attribute at a predetermined boundary of a protocol
10/26/1999US5974058 System and method for multiplexing serial links
10/26/1999US5974057 Method and apparatus for correcting a measured round-trip delay time in a wireless communication system
10/26/1999US5974055 Data multiplexing and demultiplexing apparatus capable of simplifying hardware without reducing flexibility
10/26/1999US5974031 Automatic detection of a telecommunications fractional channel configuration
10/26/1999US5974030 Subscriber multiplexer, a telephone system and a method for communicating the condition of a subcriber interface
10/26/1999US5974027 Telecommunications network including a channel switching protection arrangement
10/26/1999US5973628 Parallel variable bit encoder
10/26/1999US5973609 Communication system with adaptive media access control
10/26/1999CA2188171C Data/voice/fax advanced priority statistical multiplexer
10/21/1999WO1999053641A1 Mismatch detection in sdh frame trace identifiers
10/21/1999WO1999053640A2 Method of transmitting synchronized channel in radio transmitter
10/21/1999WO1999053639A1 Node control unit of an access node in a telecommunications network
10/21/1999WO1999053622A1 Methods and apparatus for exchanging data
10/21/1999WO1999035773A9 Virtual bearer channel platform for processing service requests received in the form of channel data
10/21/1999WO1999019988B1 Method and system for network access over a low bandwidth link
10/21/1999CA2328063A1 Mismatch detection in sdh frame trace identifiers
10/20/1999EP0951154A2 Method and apparatus enabling multiple acces on a broadband communication network
10/20/1999EP0950335A1 Connection device in a telecommunications network
10/20/1999EP0950334A2 Distributed digital cross-connect system and method
10/20/1999EP0950298A1 Method and device for network protection
10/20/1999EP0950225A2 Signal processing device and method of planning connections between processors in a signal processing device
10/20/1999EP0950224A1 Method in connection with serial data transfer to recognize a fixed pattern
10/20/1999CN1232587A Method and apparatus for optimizing medium access control protocol
10/20/1999CN1232586A Hierarchical synchronization method
10/20/1999CN1232585A Hierarchical synchronization system
10/20/1999CN1232583A Private branch exchange, telecommunication system and method of transmitting signals in subrate channels
10/20/1999CN1232328A 时分多址通信系统 Time division multiple access communication system
10/20/1999CN1045856C Over plug-in-substraction positive (or negative) code speed regulating method and apparatus
10/20/1999CN1045855C Digital positive/zero/negative code speed regulating method and apparatus
10/19/1999US5970107 Synchronous residual time stamp service clock regenerator phase locked loop phase comparator and loop filter
10/19/1999US5970071 Method and device for insertion of asynchronous data in a digital signal
10/19/1999US5970068 Telecommunication system with transport protocol device for mixing asynchronous signaling traffic with TDM traffic on a TDM backbone
10/19/1999US5970061 Transmission space diversity controlling method and transmission space diversity apparatus
10/19/1999US5970057 Method and apparatus for distinguishing between a digital control channel and a digital traffic channel in a radiocommunication system
10/19/1999US5970051 Reduction of errors in D4 channel bank by multiframe comparison of transmit enable lead to determine whether analog channel unit is installed in D4 channel bank slot
10/19/1999US5970049 Apparatus and method for template-based scheduling processes using regularity measures
10/19/1999CA2006936C Method for unblocking a multibus multiprocessor system
10/15/1999CA2265313A1 Method and apparatus enabling multiple access on a broadband communication network
10/14/1999WO1999052282A1 Bursty data transmission of compressed video data
10/14/1999WO1999052252A1 Frame synchronisation in multi-carrier transmission systems
10/14/1999WO1999052237A1 System and method for transmitting voice and data using intelligent bridged tdm and packet buses
10/14/1999WO1999052228A1 Demodulation method and apparatus in high speed time division multiplexed packet data transmission
10/14/1999WO1999052224A1 Method for updating forward power control in a communication system
10/14/1999WO1999044318A3 System and method of transmitting information
10/14/1999DE19815961A1 Elektronische Schaltung zur Mehrkanalverarbeitung von Grundfunktionen An electronic circuit for multi-channel processing of basic functions
10/13/1999EP0949830A2 Power control method and system using idle time in mobile communication system
10/13/1999EP0949823A1 Synchronization arrangement for a compressed video signal
10/13/1999EP0949778A2 Dummy bit elimination device and coding apparatus for FEC code word
10/13/1999EP0949777A2 Path switched shared protection
10/13/1999EP0949775A2 Method and device for adding and dropping audio signals at the network transition between differently normed telecommunication systems
10/13/1999EP0949774A1 Subscriber optical communications system using bit-interleaved downlink channels
10/13/1999EP0949773A2 Electronic circuit for multichannel processing of elementary functions
10/13/1999EP0949763A2 Digital transmission system for transmitting scale factors
10/13/1999EP0948858A2 Method and apparatus for storing and retrieving performance data collected by a network interface unit
10/13/1999EP0948850A1 A digital communications system having an automatically selectable transmission rate
10/13/1999EP0948848A2 Bandwidth allocation method and apparatus
10/13/1999EP0561891B1 Tdm communication system for a wide area site and a plurality of local sites
10/13/1999CN1231786A Method and apparatus for dynamic bandwidth allocation in a packet stream encoder
10/13/1999CN1231785A Transmission of signaling data in an adjustable rate wireless communication system