Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
03/2002
03/28/2002US20020036704 Method for providing variable bit rate in streaming service
03/28/2002DE10046240A1 Method for measuring the unidirectional transmission properties such as packet transmission time and transmission time fluctuations in a telecommunication network
03/28/2002DE10042233A1 Takt-und Datenregenerator mit Demultiplexerfunktion Clock and data regenerator with Demultiplexerfunktion
03/27/2002EP1191800A2 Apparatuses and mobile stations for providing packet data communication in digital TDMA cellular systems
03/27/2002EP1191733A1 Automatic retransmission request (ARQ) mode transaction, where a base station determines the status of frames sent to a mobile station
03/27/2002EP1191725A2 Transportation module for SDH/SONET
03/27/2002EP1191724A2 Method for transmitting opticall SDH or SONET signals
03/27/2002EP1190594A1 Use of time offsets to encode information in a random access channel
03/27/2002EP1190589A1 Resource management and traffic control in time-division-duplex communication systems
03/27/2002EP1190516A1 Circuit for generating clock pulses in a communications system
03/27/2002EP1190515A1 Method and system for adaptive voice buffering
03/27/2002EP1190302A2 Splitting and mixing streaming-data frames
03/27/2002CA2321015A1 Method and apparatus for determining a bit rate need parameter in a statistical multiplexer
03/26/2002US6363073 Circuit and method for service clock recovery
03/26/2002US6363061 Data transmission device, reception device, data transmission system, and data transmission method
03/26/2002US6363055 Control channel determiner
03/26/2002US6363054 Device for outputting communication-line data to terminal
03/26/2002US6362670 Controlled slew reference switch for a phase locked loop
03/26/2002CA2358058A1 Transport module for sdh/sonet
03/26/2002CA2357342A1 Method of optically transmitting sdh or sonet signals
03/26/2002CA2223793C Multicarrier reverse link timing synchronization system, device and method
03/26/2002CA2201805C Synchronization message reception processing apparatus
03/21/2002WO2002023943A2 Methods and apparatuses for providing multiple services from any slot in a sonet system having multiple slots
03/21/2002WO2002023900A2 N-way demultiplexer
03/21/2002WO2002023897A1 Recording/reproducing system
03/21/2002WO2002023841A1 Method for optimal estimation of a propagation channel relying solely on pilot symbols and corresponding estimator
03/21/2002WO2002023834A1 Method and system for delivering a synchronized stream of broadcast event data, live event data, and static event data over a hybrid fiber coax network
03/21/2002WO2002023790A2 Methods and apparatuses for synchronizing data conversion of sonet framed data
03/21/2002WO2002023779A2 Method and apparatus for partitioning sonet frames into logical channels to optimize bandwidth utilization
03/21/2002WO2002023777A2 Methods and apparatuses for jitter protection in an integrated circuit receiving an external synchronization signal
03/21/2002WO2002023775A2 Method of synchronising data
03/21/2002WO2002023774A2 Methods and apparatuses for time and space switching of sonet framed data
03/21/2002WO2001078311A3 Autoconfiguration for an access network
03/21/2002US20020035714 Coding system and decoding system
03/21/2002US20020035420 Method of checking vehicle mounted electronic units
03/21/2002US20020034291 Communication network and method for installing the same
03/21/2002US20020034273 System and method for clock synchronization for USB sink device
03/21/2002US20020034259 Transmitter for automatically changing transmission data type within specified band
03/21/2002US20020034225 Coding of a data stream
03/21/2002US20020034197 High speed linking module
03/21/2002US20020034195 Method for compensating for clock signal difference between a switch and a peripheral device, and associated apparatus
03/21/2002US20020034194 Voice-over IP communication without echo cancellation
03/21/2002DE10044700A1 Network element for synchronous digital transport network has two pointer processors for adapting pointers, multiplex structure detector for selecting pointer processor according to structure
03/21/2002CA2421649A1 Method of synchronising data
03/20/2002EP1189454A1 MPEG video elementary stream extraction device and elementary stream extraction method used for the same
03/20/2002EP1189374A1 Frame synchronisation in data communication system
03/20/2002EP1189366A1 Channel sharing by diverse multiframes in a wireless communications network
03/20/2002EP1189140A1 Synchronization control device
03/20/2002EP1188285A2 Gateway with voice
03/20/2002EP1188276A2 High speed ethernet based on sonet technology
03/20/2002EP1188267A1 Method of associating a training code to a channelisation code in a mobile telecommunication system
03/20/2002EP1188260A1 Cell search procedure for time division duplex communication systems using code division multiple access
03/20/2002EP1188259A1 Multi-user time slots for tdma
03/20/2002EP1188256A1 Method for adjusting transmission power in a radio system and corresponding radio system
03/20/2002EP1023787B1 A method of and a system for voice and data radio communication providing improved interference diversity
03/20/2002CN1341340A Method and system for reducing synchronization time in CDMA wireless communicaltion system
03/20/2002CN1341339A Method and system for handoff between asynchronous CDMA base station and synchronous CDMA base station
03/20/2002CN1341336A Time sharing of communications resources in cellular communicaltions systems
03/19/2002US6360271 System for dynamic jitter buffer management based on synchronized clocks
03/19/2002US6359927 Method and apparatus for allocating a bandwidth of a video signal having variable bit rates
03/19/2002US6359908 Frame synchronous circuit contributing to SDH signal
03/19/2002US6359907 Method to provide information concerning a frequency band, a head-end and a terminal realizing such a method and a communication access network including such a head-end and such a terminal
03/19/2002US6359902 System for translation and delivery of multimedia streams
03/19/2002US6359898 Method for performing a countdown function during a mobile-originated transfer for a packet radio system
03/19/2002US6359887 Transparent circuit emulation for packet switching network
03/19/2002US6359870 Receiving apparatus with intermittent receiving
03/19/2002US6359859 Architecture for a hybrid STM/ATM add-drop multiplexer
03/19/2002US6359789 Heterogeneous functions-integrated communication device
03/14/2002WO2002021775A1 Plural station memory data sharing system
03/14/2002WO2002021724A1 Radio device
03/14/2002WO2001095057A3 Voice-over ip communication without echo cancellation
03/14/2002WO2001061898A3 Reference time distribution over a network
03/14/2002US20020031330 Storage and reproduction system, transport stream storage method, and transport stream reproduction method
03/14/2002US20020031199 Method and apparatus for distributed synchronous clocking
03/14/2002US20020031196 Synchronisation
03/14/2002US20020031146 Method of communicating data in communication systems
03/14/2002US20020031145 Telecommunications apparatus, system, and method with an enhanced signal transfer point
03/14/2002US20020031144 Method and apparatus implementing a multimedia digital network
03/14/2002US20020031124 Multistage interconnection networks of multicast concentrators with self-routing control mechanism
03/14/2002US20020031121 Conditionally nonblocking switch of the compressor type
03/14/2002US20020031118 Configuring equivalent multi-stage interconnection networks in the bit-permuting style
03/14/2002US20020031117 Conditionally nonblocking switch of the upturned decompressor type
03/14/2002US20020031114 Priority packet transmission system for telephony, latency-sensitive data, best-effort data and video streams in a shared transmission media such as passive coax distribution
03/14/2002US20020031110 Conditionally nonblocing switch of the upturned expanded type
03/14/2002US20020031105 Downlink power control for multiple downlink time slots in TDD communication systems
03/14/2002US20020031100 Asynchronous interference avoiding method and asynchronous interference avoiding system
03/14/2002US20020031087 Intensive management apparatus for checking path validity in time-sharing multiplexing network
03/13/2002EP1187488A2 Apparatus, method and program for picture transmission and a recording medium
03/13/2002EP1187389A2 Clock and data regenerator with demultiplexing function
03/13/2002EP1187387A1 Multicarrier GSM receiver
03/13/2002EP1187383A2 Timing circuitry for muxing/demuxing of optical communication signals
03/13/2002EP1187382A2 Multiplexer with channel sectioning, selectively actuated current sources, and common-base amplifiers
03/13/2002EP1187368A1 Demodulation method and apparatus in high speed time division multiplexed packet data transmission
03/13/2002EP1187364A1 Pilot signal transmission in a multi-transmit antenna wireless communication system
03/13/2002EP1187363A1 Space-time processing for wireless systems with multiple transmit and receive antennas
03/13/2002EP1187134A2 Storage and reproduction system, transport stream storage method, and transport stream reproduction method
03/13/2002EP1186967A2 Clock synchronisation method
03/13/2002EP1186179A1 Signal processing circuit
03/13/2002EP1186131A2 Method and system for increasing a number of information channels carried by optical waveguides
03/13/2002EP1186130A1 Method for providing dispatch service to dispatch