Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
12/2002
12/31/2002CA2189253C Method, system and apparatus for telecommunications control
12/28/2002CA2391706A1 Protection switching in ring-configured networks
12/27/2002WO2002104050A1 Synchronization of a multi-mode base station using a common system clock
12/27/2002WO2002103999A2 Bit stream conversion system
12/27/2002WO2002103956A1 Error-correction multiplexing apparatus, error-correction demultiplexing apparatus, optical transmission system using them, and error-correction multiplexing transmission method
12/27/2002WO2002103945A2 Communication system, communication station, data input/output unit
12/27/2002WO2001097420A3 Multiplexing digital communication system
12/27/2002WO2001073988A8 Transport of isochronous and bursty data on a sonet ring
12/27/2002CA2443626A1 Bit stream conversion system
12/26/2002US20020197994 Dispatch call origination and set up in a CDMA mobile communication system
12/26/2002US20020196811 Transmission of data frames using low-overhead encapsulation and multiple virtual tributaries in a synchronous optical network
12/26/2002US20020196808 Signaling for reserving a communications path
12/26/2002US20020196805 Method for operating and apparatus for a back-plane supporting redundant circuit cards
12/26/2002US20020196804 Radio communications system, radio communications method, radio relay, and radio terminal
12/26/2002US20020196801 Communication protocol for passive optical network topologies
12/26/2002US20020196784 Transport network with circuitry for monitoring packet path accommodated in STM path
12/26/2002US20020196772 Method and device for synchronizing a mobile radio receiver with a time slot structure of a received radio signal
12/26/2002US20020196749 Radio network control
12/26/2002US20020196743 Apparatus and method for enhancing performance in a packet data system
12/26/2002US20020196499 Method and system for multiplexed optical information transport
12/26/2002US20020196491 Passive optical network employing coarse wavelength division multiplexing and related methods
12/25/2002CN1387707A Methods and apparatus for allocating resources in hybrid TDMA communications systems
12/25/2002CN1387337A Small time slot control system in passive optical network
12/25/2002CN1387189A Receiving apparatus and its stream control method, and sending apparatus and its stream control method
12/25/2002CN1097401C Communication method, transmitting apparatus and receiving apparatus
12/25/2002CN1097349C Method for control of transmission power in terminal of cellular wireless system
12/25/2002CA2382241A1 Method and system for multiplexed optical information transport
12/24/2002US6498936 Methods and systems for coding of broadcast messages
12/24/2002US6498934 Channel allocation using enhanced pathloss estimates
12/24/2002US6498798 Priority-based statistical multiplexer-hub
12/24/2002US6498794 Transmitter with cell switching function
12/19/2002WO2002102102A1 Network and methof for connecting antennas to base stations in a wireless communication network using space diversity
12/19/2002WO2002102095A1 Transmittal of heartbeat signal at a lower level than heartbeat request
12/19/2002WO2002101997A1 Binary-tree method and system for multiplexing scheduling
12/19/2002WO2002101961A1 Stm-1 to stm-64 sdh/sonet framer with data multiplexing from a series of configurable i/o ports
12/19/2002WO2002101922A1 System and method for performing ranging in a cable modem system
12/19/2002WO2002023790A3 Methods and apparatuses for synchronizing data conversion of sonet framed data
12/19/2002US20020194519 Programmable interface controller suitable for spanning clock domains
12/19/2002US20020193945 Communication apparatus
12/19/2002US20020193106 Transmission apparatus and method for multimedia service in mobile communication system
12/19/2002US20020191724 Method and apparatus for transmitting and receiving multiplex tributary signals
12/19/2002US20020191721 Data transmission system
12/19/2002US20020191719 Differential signal-delaying apparatus, receiver employing the apparatus, and communication system
12/19/2002US20020191684 System and method for performing ranging in a cable modem system
12/19/2002US20020191682 Initial acquisition and frame synchronization in spread spectrum communication system
12/19/2002US20020191648 Method for manifesting alarms in a telecommunication network
12/19/2002US20020191645 Digital clock recovery
12/19/2002US20020191642 Apparatus, method and limited set of messages to transmit data between components of a network processor
12/19/2002US20020191641 Multiplexing process and multiplexer optimizing management of digital transmission channel bandwidth
12/19/2002US20020191640 Multi-protocol agile framer
12/19/2002US20020191638 Universal impedance matching network for the subscriber line integrated circuits
12/19/2002US20020191633 Data communication device data communication method
12/19/2002US20020191617 System and method for transporting channelized ethernet over SONET/SDH
12/19/2002US20020191608 System for and method of providing a header and a trailer in data packets
12/19/2002US20020191603 Method and system for dynamic segmentation of communications packets
12/19/2002US20020191579 Physical channel configuration signaling procedures
12/19/2002US20020191569 Multi-dimensional orthogonal resource hopping multiplexing communications method and apparatus
12/19/2002US20020191537 Method and apparatus for diagnosing FC-AL system link
12/19/2002US20020191475 Communications architecture for memory-based devices
12/19/2002US20020191255 Method for synchronizing the phase of optical return-to-zero (rz) data signals
12/19/2002US20020191242 Failure determination in an optical communication network
12/19/2002US20020190764 Digital PLL with conditional holdover
12/19/2002CA2450008A1 Binary-tree method and system for multiplexing scheduling
12/18/2002EP1267525A2 Network interface using programmable delay and frequency doubler
12/18/2002EP1267507A1 A method and apparatus for transmitting and receiving multiplex tributary signals
12/18/2002EP1267506A2 Network synchronization technique
12/18/2002EP1267347A1 Method and device for data transmission
12/18/2002EP1266476A1 Hybrid data transport scheme over optical networks
12/18/2002EP1266470A1 Method and apparatus for mobile platform reception and synchronization in direct digital satellite broadcast system
12/18/2002EP1266466A1 Method and apparatus for accessing a tdma channel using two incompatible protocols
12/18/2002EP1266465A1 Method for transmitting voice data packets
12/18/2002EP1145559B1 Method and apparatus for delivering reference signal information within a specified time interval
12/18/2002CN1386386A Method for allocating secondary synchronization codes to a base station of a mobile telecommunication system
12/18/2002CN1386332A Coding a data stream
12/18/2002CN1386329A Coding a data stream
12/18/2002CN1386326A Digital signal encoding apparatus and method digital signal decoding apparatus and method, and digital signal transmission system
12/18/2002CN1385360A SDH pointer treatment method and circuit
12/18/2002CN1096778C Communication controlling device
12/18/2002CN1096776C Digital radio data phase shifting apparatus
12/18/2002CN1096766C Method and apparatus for organizing and recovering information communicationed in a radio communication system
12/18/2002CA2390464A1 Failure determination in an optical communication network
12/17/2002US6496699 Method for self-calibration of a wireless communication system
12/17/2002US6496522 ATM communication terminal and ATM communication system
12/17/2002US6496519 Frame based data transmission over synchronous digital hierarchy network
12/17/2002US6496518 SDH transmission system, and frame transmission method in SDH transmission system and SDH transmission unit
12/17/2002US6496512 System and method for connecting calls with a time division multiplex matrix
12/17/2002US6496504 Smart allocation of bandwidth for multiple independent calls on a digital network
12/17/2002US6496495 Cellular communication system
12/17/2002US6496490 Method for dynamically allocating carriers in a wireless packet network, with reuse of carriers
12/17/2002US6496489 Method and apparatus for distinguishing between a digital control channel and a digital traffic channel in a radiocommunication system
12/17/2002US6496488 Modularly clustered radiotelephone system
12/17/2002US6496476 System and method for restricted reuse of intact portions of failed paths
12/17/2002US6496474 Spread encoding device and method
12/17/2002CA2287954C Method and apparatus for transmission and reception of a transmission rate in a cdma communication system
12/17/2002CA2261007C Subrate voice switching over switching and telecommunication networks
12/17/2002CA2222734C Cdma transmission employing clipping function
12/15/2002CA2381834A1 A method and apparatus for transmitting and receiving multiplex tributary signals
12/12/2002WO2002100073A2 Concurrent switching of synchronous and asynchronous traffic
12/12/2002WO2002100024A2 System and method for transporting channelized ethernet over sonet/sdh
12/12/2002WO2002100021A2 System and method of multiplexing tdm and packet data