Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
04/1999
04/08/1999WO1999017584A2 A method and apparatus for real time communication over packet networks
04/08/1999WO1999017513A1 Priority-scheduled parallel message delivery method and apparatus
04/08/1999WO1999017500A1 Method for radio communication and device for radio communication
04/08/1999WO1999017494A1 Method for frame-synchronising a receive signal
04/08/1999WO1999017483A1 System and circuit for telecommunications data conversion
04/08/1999WO1999017482A2 Channel allocation methods in a communication network and corresponding system
04/08/1999WO1999017481A1 Method and apparatus for correcting a measured round-trip delay time in a wireless communication system
04/08/1999WO1999017480A1 Accurate synchronising device
04/08/1999WO1999017479A1 Communications system
04/08/1999WO1999017478A1 Method for causal ordering in a distributed network
04/08/1999WO1999017468A1 Method and communication system for wireless tdma information transfer between base stations and mobile stations with randomly controlled selection of uplink channels
04/08/1999WO1999017217A1 A reliable array of distributed computing nodes
04/08/1999WO1999005880A3 Method and radio communication system for transmitting information via atm cells
04/08/1999WO1999004521A3 A method and apparatus for segmentation and reassembly of packets/cells over satellite/wireless networks
04/08/1999WO1999004339A3 Method and apparatus for improving asynchronous transfer mode operation over noisy, high speed wireless links
04/08/1999DE19740935A1 Schaltungsanordnung und Verfahren zur Vorwärtsfehlerkorrektur Circuit arrangement and method for forward error correction
04/08/1999CA2306013A1 Method for causal ordering in a distributed network
04/08/1999CA2304649A1 Method and apparatus for correcting a measured round-trip delay time in a wireless communication system
04/08/1999CA2304547A1 Priority-scheduled parallel message delivery method and apparatus
04/07/1999EP0907302A2 A control architecture using embedded signal information
04/07/1999EP0907301A2 A control architecture for a homogeneous routing structure
04/07/1999EP0906695A1 System and method for associating multimedia objects
04/07/1999EP0906675A1 Method and apparatus of providing bit count integrity and synchronous data transfer over a channel which does not preserve synchronization
04/07/1999EP0906673A1 Wireless communication system with dynamic channel allocation
04/07/1999EP0895620A4 Multiple parallel digital data stream channel controller architecture
04/07/1999CN1213483A Method and apparatus for communicating engineering orderwire information over synchronous communications network
04/07/1999CN1213473A Channel selection in optical TDMA network
04/07/1999CN1213469A High power short message service using dedicated carrier frequency
04/06/1999US5892910 CATV communication system for changing first protocol syntax processor which processes data of first format to second protocol syntax processor processes data of second format
04/06/1999US5892771 System for establishing a TDM information protocol over a communications path
04/06/1999US5892770 Process for converting digital data streams having an ATM cell structure
04/06/1999US5892756 Portable telecommunication network testing device
04/06/1999US5892469 Time division multiplexing transmitter and decoding circuit used for said transmitter and method for time division multiplexing transmission
04/01/1999WO1999016275A1 Optimised operations for research in adjacent channels and for allocating optimised time slots for mobile stations transmitting in a plurality of time slots
04/01/1999WO1999016197A1 Adaptive multiplexing/demultiplexing method and multiplexer/demultiplexer therefor
04/01/1999WO1999016196A1 Device and method for generating encoded stream, system and method for transmitting data, and system and method for edition
04/01/1999WO1999016188A1 Wireless fdd/tdma communications system with a fixed radio station, and mobile stations
04/01/1999WO1999016183A2 Mobile station assisted timing synchronization in a cdma communication system
04/01/1999WO1999000779A3 Method of routing and bundling demands with low utilization in a telecommunications network
04/01/1999DE19838294A1 Digital synchronization method for asynchronous data sources
04/01/1999DE19743170A1 Kommunikationssystem Communication system
04/01/1999DE19743169A1 Verfahren zur Rahmensynchronisation eines Empfangssignals Method for frame synchronization of a received signal
03/1999
03/31/1999EP0905996A1 Bit sliced digital cross connect switching system
03/31/1999EP0905949A1 Priority-scheduled parallel message delivery method and apparatus
03/31/1999EP0905941A1 Frame synchronizing circuit
03/31/1999EP0905935A1 Coded signal transmission method and device
03/31/1999EP0905934A2 Method and device for operating attached network devices of a connection network connected to a ring network of a communications network
03/31/1999EP0905922A2 Resource assigning method, communication resource assigning method, and base station and terminal unit
03/31/1999EP0905916A2 Method and system for data transmission
03/31/1999CN1212801A Process and device for improving utilization rate of telecommunications channels in locally in locally concentrated, asynchronous wireless telecommunications system
03/31/1999CN1212586A Providing timing to external system
03/31/1999CN1212544A Switching network providing multiple timing paths for port circuits
03/31/1999CN1212537A Shared time-division pilot synchronous orthogonal code division multiple access channel structure
03/31/1999CN1212536A Method and device of superimposing additional information signal on video signal and detecting said additional information from said video signal
03/30/1999US5889956 Hierarchical resource management with maximum allowable allocation boundaries
03/30/1999US5889781 Asynchronous timing generator
03/30/1999US5889767 Time-division multidirectional multiplex communication system capable of using message area in radio burst signals divided into a plurality of areas
03/30/1999US5889765 Bi-directional communications network
03/30/1999CA2083303C Digital block processor for processing a plurality of transmission channels in a wireless radiotelephony system
03/30/1999CA2064987C A synchronous control method in a plurality of channel units
03/30/1999CA2016497C Sonet transmit signaling translator
03/25/1999WO1999014905A1 Packet transmission method, packet transmission device, radio frame transmission method, mobile communication method, mobile communication system, and exchange
03/25/1999WO1999014899A1 Virtual path merging in a multipoint-to-point network tunneling protocol
03/25/1999WO1999014884A2 Circuit and method for forward error correction in a digital synchronous hierarchical system
03/25/1999WO1999014876A1 Constant phase crossbar switch
03/25/1999WO1999014872A1 Indoor communication system and synchronisation for a receiver
03/25/1999WO1999000928A3 Arrangement for synchronization of nodes in vdsl-systems
03/25/1999WO1998059523A3 Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (cdma) radio link
03/25/1999DE19741681A1 Base station e.g. for Cordless Telephone System
03/25/1999CA2304249A1 Circuit arrangement and method for forward error correction
03/25/1999CA2303939A1 Virtual path merging in a multipoint-to-point network tunneling protocol
03/24/1999EP0903959A2 Method for transmitting data packets and network elements suitable for the execution of this method
03/24/1999EP0903881A2 Detecting digital multiplexer faults
03/24/1999EP0903873A1 Frame synchronization system between base stations of mobile radio communication system and base station device employing this system
03/24/1999EP0903655A2 Control system with nodes
03/24/1999EP0903023A1 Transmission of signaling data in an adjustable rate wireless communication system
03/24/1999EP0903022A1 Digital communication system which eliminates cumulative jitter
03/24/1999CN1211876A Digital signal coding method and apparatus, signal recording medium, and signal transmission method
03/23/1999US5887039 Data transmission system using specific pattern for synchronization
03/23/1999US5887037 Introducing processing delay as a multiple of the time slot duration
03/23/1999US5887029 Method of scheduling spatially separated control events with an industrial controller
03/23/1999US5886999 Receiving apparatus and method of outputting received signal in multimedia communication
03/23/1999US5886996 Synchronous digital communication system with a hierarchical synchronization network
03/23/1999US5886994 Apparatus and method for mapping high density E1 signals into a digital cross-connect matrix space
03/23/1999US5886993 System, device, and method for sharing contention mini-slots among multiple priority classes
03/23/1999US5886983 Data bus system with resource control compensating for limited transmission capacity
03/23/1999US5886645 Method and apparatus for providing duplicate messages in an acknowledge-back communication system
03/23/1999CA2160823C A wavelength division multiplexing passive optical network with bi-dir ectional optical spectral slicing
03/23/1999CA2137587C Broadcast/multicast filtering by the bridge-based access point
03/18/1999WO1999013664A1 Method and arrangement for splitting signalling and speech in an analog mobile telephone system
03/18/1999WO1999013648A1 Bit stream splicer with variable-rate output
03/18/1999WO1999013604A1 Method and system for controlling speech encoding in a communication system
03/18/1999WO1999013603A2 Transmission method and communication system employing the method
03/18/1999WO1999013602A1 Method and system for controlling an encoding rate in a variable rate communication system
03/18/1999WO1999013427A2 System and method for detecting and managing fraud
03/18/1999WO1999000943A3 A method of transmitting data in a ring-shaped teletransmission network, such as a network and a network element therefor
03/18/1999WO1999000942A3 A method of transmitting data in a ring-shaped teletransmission network, such a network and a network element therefor
03/18/1999WO1998059441A3 Time division multiple access radio systems
03/18/1999CA2303107A1 System and method for detecting and managing fraud
03/18/1999CA2302279A1 Method and system for controlling speech encoding in a communication system