Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
02/1999
02/18/1999WO1999008412A1 Device and method for transmitting digital data, device and method for demodulating digital data, and transmission medium
02/18/1999WO1999008410A2 Method for modelling and realising connections in an sdh digital cross-connect
02/18/1999WO1999008409A1 A method and an apparatus for the clock recovery in the transport of constant bit rate services over asynchronous transfer mode
02/18/1999WO1999008407A2 Device for transmitting data to mobile radio telephone networks
02/18/1999DE19733336A1 Verfahren und Funkstation zur Datenübertragung Procedures and radio station for data transmission
02/17/1999EP0897237A2 TDMA communication device and method
02/17/1999EP0896783A1 Channel allocation method for a packet network
02/17/1999EP0896762A1 Multiple input frequency locked loop
02/17/1999EP0700600B1 Digital controlled crystal oscillator
02/17/1999EP0674824B1 Television program delivery system
02/17/1999EP0673580B1 An operation center for a television program packaging and delivery system
02/17/1999EP0673570B1 Multiplexer and demultiplexer
02/16/1999US5873058 Voice coding-and-transmission system with silent period elimination
02/16/1999US5873044 Method and apparatus in a radio communication system for synchronizing transmissions while maintaining full user traffic
02/16/1999US5872854 Device and method for multi-processing EVR adjustment
02/16/1999US5872823 Reliable switching between data sources in a synchronous communication system
02/16/1999US5872821 Arrangement for generating digital signals
02/16/1999US5872820 Synchronization in TDMA systems in a non-realtime fashion
02/16/1999US5872789 Method for reducing jitter of ATM cells
02/16/1999US5872780 Method for transferring data in a synchronous optical network element
02/16/1999US5872774 Mobile station assisted timing synchronization in a CDMA communication system
02/16/1999US5872769 For use in a communications network
02/16/1999US5872645 Telecommunications network
02/16/1999US5872477 Multiplexer with CMOS break-before-make circuit
02/16/1999CA2109877C Clock recovery circuit
02/16/1999CA2109131C Digital loop carrier system
02/16/1999CA2104753C Bandwidth allocation, transmission scheduling, and congestion avoidance in broadband atm networks
02/16/1999CA2096717C Sonet tributary ambiguity resolution for elastic store control
02/16/1999CA2079010C Data transfer system including exchange
02/11/1999WO1999007107A1 Method and apparatus for inserting/extracting sets of signals into/from a signal stream
02/11/1999WO1999007085A2 Method and radio station for transmitting data
02/11/1999WO1998052312A3 Method and apparatus for superframe bit allocation in a discrete multitone (dmt) system
02/11/1999DE19733860A1 Einrichtung zur Datenübertragung in Mobilfunknetzen Means for transmitting data in mobile communications networks
02/10/1999EP0896447A2 WDM transmitter for optical networks using a loop-back spectrally sliced light emitting device
02/10/1999EP0895680A1 Synchronous transmission system with fault location function and monitoring device therefor
02/10/1999EP0895620A1 Multiple parallel digital data stream channel controller architecture
02/10/1999CN1207851A Method and apparatus for recovering clock of MPEG signals
02/10/1999CN1207843A Method for reducing transients in clock signal generating system
02/10/1999CN1207839A Wireless packet data distributed communications system
02/10/1999CN1207838A Method of improving efficiency of radio channel usage in overlapping coverage areas
02/10/1999CN1207632A Method to provide information concerning frequency band, head-end and terminal realizing such method
02/10/1999CN1207625A Manual adjacent alternate routing for international standard
02/10/1999CN1207624A RAP alternate routing for ISO 10589
02/09/1999US5870675 In reception in a digital cellular mobile communication system
02/09/1999US5870594 Data transfer system and method
02/09/1999US5870538 Switch fabric controller comparator system and method
02/09/1999US5870444 Computer-implemented method
02/09/1999US5870441 Distributed clocking system
02/09/1999US5870440 Data-link processing equipment and apparatus for subscriber terminal office using same
02/09/1999US5870427 In a multi-channel communication system
02/09/1999US5870403 Apparatus and a method for establishing signal synchronization between lines
02/09/1999US5870401 I/O module for a serial multiplex data system with a programmable input voltage level selector
02/09/1999US5870390 Statellite direct radio broadcast receiver for extracting a broadcast channel and service control header from time division multiplexed transmissions
02/09/1999US5870381 Method for transmitting signals from a plurality of transmitting units and receiving the signals
02/09/1999US5870377 Satellite communications systems using a cross-connect switch
02/09/1999US5870032 Restoration network architecture
02/09/1999US5870001 Apparatus, and associated method, for calibrating a device
02/04/1999WO1999005880A2 Method and radio communication system for transmitting information via atm cells
02/04/1999WO1999005854A1 Digital transport stream processing
02/04/1999WO1999005832A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems
02/04/1999WO1999005825A1 Ring circuit with transport loop and card protection
02/04/1999WO1999005820A2 Wireless communications system and method
02/04/1999WO1999005810A1 Method and apparatus for aligning sub-stream splice points in an information stream
02/04/1999WO1999005809A1 System for reducing bus overhead for communications with a network interface
02/04/1999WO1998049799A3 Method for transmitting data securely in the synchronous digital hierarchy
02/04/1999CA2297843A1 Digital transport stream processing
02/04/1999CA2297700A1 Methods and apparatus for canceling adjacent channel signals in digital communications systems
02/03/1999EP0895437A2 Wireless communication system, apparatus and method to communicate using a plurality of communication slots in time division multiple access technique
02/03/1999EP0895431A2 Alternate routing
02/03/1999EP0895380A2 Reachable Address Prefix alternative routing for iso 10589
02/03/1999EP0895378A1 Method and system for transmitting data
02/03/1999EP0895371A2 Time multiplexed oriented interface between a central and decentral components of communication devices
02/03/1999EP0895370A2 Method and device for compensation of fluctuations of frequency and phase
02/03/1999EP0894413A1 Method and apparatus for tdma wireless communication employing collector arrays for range extension
02/03/1999EP0894381A1 Process for controlling access to a transmission channel used in common by several data sources
02/03/1999EP0894371A1 System and method for reducing interference generated by a digital communication device
02/03/1999CN1206999A Method for interfacing local station with control station by modem
02/03/1999CN1206974A Method for determing swtiching on frequency band and first and last end of realized said method
02/02/1999US5867663 Method and system for controlling network service parameters in a cell based communications network
02/02/1999US5867545 Phase-locked loop circuit
02/02/1999US5867543 Multi-rate transmission system
02/02/1999US5867492 Radio unit and method of communicating between radio units over a communications channel
02/02/1999US5867490 Direct radio broadcast receiver for providing frame synchronization and correlation for time division multiplexed transmissions
02/02/1999US5867489 Method and apparatus for TDMA slot synchronization with precision ranging
02/02/1999US5867484 Switchable multi-drop video distribution system
02/02/1999US5867041 Clock signal testing apparatus for use in a synchronous transmission system
02/02/1999CA2095350C Phase locking circuit for jitter reduction in a digital multiplex system
02/02/1999CA2090664C Inter-network transport element of sonet overhead
02/02/1999CA2090663C Sonet overhead server
01/1999
01/31/1999CA2241455A1 Pointer processor and method which requires a zero-length buffer
01/28/1999WO1999004526A1 Method for transmitting overhead information for wavelength division multiplex networks for fibre-optic information transmission
01/28/1999WO1999004522A1 Method and apparatus for adaptive loss-less compression of cell/packet headers
01/28/1999WO1999004521A2 A method and apparatus for segmentation and reassembly of packets/cells over satellite/wireless networks
01/28/1999WO1999004520A1 Method and apparatus for transmitting data in a high speed, multiplexed data communication system
01/28/1999WO1999004515A1 Method and apparatus for fast acquisition and synchronization of transmission frames
01/28/1999WO1999004512A1 Wireless telecommunications system with a cdma, fdma and tdma multiple access component, especially a 'jd-cdma' telecommunications system with hybrid multiple access techniques
01/28/1999WO1999004509A1 Method and apparatus for minimizing delay variance via time divided transmissions
01/28/1999WO1999004508A1 Multicarrier demux/demod (mcdd) wireless network architecture
01/28/1999WO1999004340A1 A frame format and frame assembling/disassembling method for the frame format
01/28/1999WO1999004339A2 Method and apparatus for improving asynchronous transfer mode operation over noisy, high speed wireless links