Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
03/2002
03/13/2002EP1186129A1 Method and device for converting virtually concatenated data streams into contiguously concatenated data streams
03/13/2002EP0916213B1 Method and apparatus for transmitting lan data over a synchronous wide area network
03/13/2002EP0856214B1 A method for compensating for time dispersion in a communication system
03/13/2002EP0667069B1 Arrangement in mobile telecommunications systems for providing for synchronization of the transmitters of the base stations
03/13/2002CN1340255A Header compression in real time services
03/13/2002CN1340254A In-band signalling for synchronization in a voice communications network
03/13/2002CN1339921A Multiway transmission device and method, image output device and method and its recording medium
03/13/2002CN1339890A System and method for transfering multiple protocol formats in optical wave communication network
03/13/2002CN1339887A Ratio Eb/I method and communication system in equalizing service multiple CDMA system
03/13/2002CN1339881A Time-space processing of radio system with multiple transmit-receive antennas
03/13/2002CN1080960C Perameter sampling apparatus
03/12/2002US6356610 System to avoid unstable data transfer between digital systems
03/12/2002US6356607 Preamble code structure and detection method and apparatus
03/12/2002US6356567 Embedded clock recovery and difference filtering for an MPEG-2 compliant transport stream
03/12/2002US6356566 Clock signal generating apparatus for data communication channel
03/12/2002US6356555 Apparatus and method for digital data transmission using orthogonal codes
03/12/2002US6356551 Method and network switch having dual forwarding models with a virtual lan overlay
03/12/2002US6356371 Method and a circuit for concatenating binary information, and use in optical packet transmission
03/12/2002US6356156 Method and system for managing reference signals for network clock synchronization
03/12/2002US6356127 Phase locked loop
03/12/2002US6355886 Undersea trunk-and-branch logical ring networks
03/12/2002CA2234129C Two-way communication system, and delay and transmission level setting methods
03/07/2002WO2002019751A1 Base station device and wireless communication method
03/07/2002WO2002019618A2 Base element for a multiplexer structure and corresponding multiplexer structure
03/07/2002WO2002019605A2 Method and apparatus for gated ack/nak channel in a communication system
03/07/2002WO2002019584A1 Multiplexer, receiver, and multiplex transmission method
03/07/2002WO2002019582A2 Techniques and architectures for implementing a data skew equalizer
03/07/2002WO2002019569A1 Data transmitting apparatus, radio communication system and radio communication method
03/07/2002WO2002019550A2 Digital-data receiver synchronization method and apparatus
03/07/2002WO2001052417A3 Phase lock loop system and method
03/07/2002US20020029368 Method for ensuring error-free transmission of a telecommunication signal including temporary data channels
03/07/2002US20020029363 Coding system and decoding system
03/07/2002US20020029271 Method to control a network device in a network comprising several devices
03/07/2002US20020027966 Digital PLL device and digital PBX using the same
03/07/2002US20020027929 System and method for mapping signals to a data structure having a fixed frame size
03/07/2002US20020027928 Apparatus and method for facilitating data packet transportation
03/07/2002US20020027923 IP gateway apparatus
03/07/2002US20020027905 Method for transmitting data packets and network element for carrying out the method
03/07/2002US20020027904 Conditionally nonblocking switch of the unimodal-circular type
03/07/2002US20020027903 Transmission apparatus
03/07/2002US20020027886 Method of controlling data sampling clocking of asynchronous network nodes in a frame-based communications network
03/07/2002US20020027883 Method for balancing the ratio Eb/I in a service multiplexing CDMA system and telecommunication systems using same
03/07/2002DE10123973A1 Jitter-reduzierte PLL-Schaltung mit einer mehrstufigen digitalen Verzögerungsleitung Reduced jitter PLL circuit having a multi-stage digital delay line
03/07/2002CA2420681A1 Digital-data receiver synchronization method and apparatus
03/07/2002CA2317824A1 Bus interface for transfer of sonet/sdh and otn data
03/06/2002EP1185131A2 An adaptive cell scheduling algorithm for wireless asynchronous transfer mode (ATM) systems
03/06/2002EP1185124A1 Mobile station apparatus and radio communication method
03/06/2002EP1185122A1 Radio communication system and channel allocation method in time division multiplex connection communication method
03/06/2002EP1185120A1 Base station apparatus and handover control method
03/06/2002EP1185037A2 Radio network, relay node, core node, relay transmission method used in the same and program thereof
03/06/2002EP1185015A2 Method of managing time-slot interchange in transoceanic MS-spring networks
03/06/2002EP1185014A2 Method of managing time slot interchange in classic MS-Spring networks
03/06/2002EP1185013A2 System and method for clock synchronization for USB sink device
03/06/2002EP1183902A1 Method and apparatus for bandwidth allocation
03/06/2002EP1183835A1 Architecture for a hybrid stm/atm add-drop multiplexer
03/06/2002EP1183812A1 Single header encoding for multiple packets in a packet switched network
03/06/2002EP1183804A1 Method for retransmitting a data packet in a packet network
03/06/2002EP1183616A1 Method and apparatus for providing a distributed architecture digital wireless communication system
03/06/2002EP0908036B1 Cdma communication system which selectively suppresses data transmissions during establishment of a communication channel
03/06/2002EP0770237B1 Method and system for automatic compensation of line delay in a clock distribution system
03/06/2002EP0695487B1 Composite clock signal
03/06/2002CN1339211A Cell disassembly device, cell disassembly method and computer-readable recording medium in which program for making computer execute the method is recorded
03/06/2002CN1339200A Communication protocol between a communication device and an external accessory
03/06/2002CN1080505C Synchronous transmission systems
03/06/2002CN1080488C Radio communication apparatus and method
03/05/2002US6353666 System and method for providing an enhanced audio quality telecommunication session
03/05/2002US6353604 Apparatus and method for synchronizing an SCDMA upstream or any other type upstream to an MCNS downstream or any other type downstream with a different clock rate than the upstream
03/05/2002US6353598 Asymmetric multiple access protocol for a communication system
03/05/2002CA2247890C Hybrid analog/digital method and apparatus for controlling the transmission power level of a radio transceiver
03/05/2002CA2214743C A frame synchronization circuit and communications system
02/2002
02/28/2002WO2002017666A1 Radio base station and program for radio base station
02/28/2002WO2002017552A1 Apparatus and method for facilitating data packet transportation
02/28/2002WO2002017526A2 Optical communications network with protection paths
02/28/2002WO2002017525A1 Cross-connect device
02/28/2002WO2002017302A2 Transcoder for sampling frequency conversion and synchronization of audio signals
02/28/2002WO2001022768A3 Communications system
02/28/2002WO2001018790A8 Method and apparatus in a telecommunications system
02/28/2002US20020026616 Coding system and decoding system
02/28/2002US20020026568 Serial data mapping apparatus for synchronous digital hierarchy
02/28/2002US20020026523 Method for distributing sets of collision resolution parameters in a frame-based communications network
02/28/2002US20020026255 Digital interface device
02/28/2002US20020025014 Jitter reducing apparatus using digital modulation technique
02/28/2002US20020025000 Method of transcoding and apparatus of transcoding for video coded bitstream
02/28/2002US20020024973 Hardware time stamping and registration of packetized data method and system
02/28/2002US20020024971 System and method for assigning time slots in communication system and network-side apparatus used therefor
02/28/2002US20020024970 Transmitting MPEG data packets received from a non-constant delay network
02/28/2002US20020024969 Method and system for transmitting at least one client signal within a server signal
02/28/2002US20020024968 Method of random access to a ressource shared between several users
02/28/2002US20020024961 Method of managing time-slot interchange in transoceanic MS-SPRING networks
02/28/2002US20020024951 General self-routing mechanism for multicasting control over bit-permuting switching networks
02/28/2002US20020024939 Private base stations
02/28/2002US20020024935 Radio network, relay node, core node, relay transmission method used in the same and program thereof
02/28/2002US20020024930 Method of manageing time slot interchange in classic MS-SPRING networks
02/28/2002US20020024699 Optical transmission system constructing method and system
02/28/2002US20020024696 Wavelength division multiplexing transmission system and transmitter and receiver therefor
02/28/2002US20020024694 Control channel for an optical communications system utilizing frequency division multiplexing
02/28/2002CA2419910A1 Optical communications network with protection paths
02/28/2002CA2356238A1 Method of managing time-slot interchange in transoceanic ms-spring networks
02/28/2002CA2355997A1 Method of managing time-slot interchange in classic ms-spring networks
02/28/2002CA2352655A1 An adaptive cell scheduling algorithm for wireless asynchronous transfer mode (atm) systems