Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
11/2002
11/20/2002CN1381153A Radio communication system
11/20/2002CN1381152A Use of time offsets to encode information in random access channel
11/20/2002CN1381148A Methods and apparatus for making and replaying digital video recordings, and recordings made by such method
11/20/2002CN1381140A MPEG-4 binary shape transmission
11/20/2002CN1381121A Internode synchronizing device and internode synchronizing method
11/20/2002CN1094712C Providing filter data to transmitters of radio base station in radiocommunication system
11/19/2002US6483885 Frame synchronizer
11/19/2002US6483857 Method and apparatus for transmitting control information over an audio data stream
11/19/2002US6483856 GPS synchronized data communications link
11/19/2002CA2334738C Slave clock generation system and method for synchronous telecommunications networks
11/19/2002CA2231230C System for managing telecommunications
11/19/2002CA2228696C Method and system for data communications using synchronizing signals of different data length
11/19/2002CA2218626C Data communication scheme for variable length blocks of data
11/16/2002CA2347927A1 Centralized synchronization for wireless networks
11/14/2002WO2002091740A1 Medium data transmission system and medium data transmission method
11/14/2002WO2002091681A2 Protecting ring network data
11/14/2002WO2002091642A2 Communicating data between tdm and packet based networks
11/14/2002WO2002091633A1 Transmission apparatus and method for multimedia service in mobile communication system
11/14/2002WO2002091597A2 Method and apparatus for controlling uplink transmissions of a wireless communication system
11/14/2002WO2002091133A2 MINIMIZING JITTER IN QoS NETWORKED GATEWAY DEVICES
11/14/2002WO2002091112A2 Server-site response time computation for arbitrary applications
11/14/2002WO2002065458A3 Method and apparatus for interoperability between voice transmission systems during speech inactivity
11/14/2002WO2002058413A3 Apparatus and method for operating a subscriber interface in a fixed wireless system
11/14/2002WO2002017526A3 Optical communications network with protection paths
11/14/2002WO2001048735A3 Inband signalling within speech segments
11/14/2002WO1999067915A3 Method and system for avoiding data loss in communications systems
11/14/2002US20020168944 Dynamic channel quality measurement procedure for adaptive modulation and coding techniques
11/14/2002US20020168137 Wavelength multiplexing apparatus and signal conversion apparatus
11/14/2002US20020168015 Plural circuit selection using role reversing control inputs
11/14/2002US20020167972 Information transmitting apparatus and method, information receiving apparatus and method, information transmitting and receiving system and method, recording medium and program
11/14/2002US20020167971 System and method for time-domain multiplexed communication in ultrasound applications
11/14/2002US20020167966 Fiber optic synchronous digital hierarchy telecommunication network provided with a protection system shared on the network
11/14/2002US20020167964 Method and apparatus for egress channel architecture that supports protection within SONET/sdh based networks
11/14/2002US20020167962 Outer code for CSMA systems using an OFDM physical layer in contention-free mode
11/14/2002US20020167945 Method and system for packet ordering based on packet type
11/14/2002US20020167942 Server-site response time computation for arbitrary applications
11/14/2002US20020167934 Method and system for timebase synchronization
11/14/2002US20020167932 Method and apparatus for encapsulating universal serial bus messaging over link layer communication protocol
11/14/2002US20020167928 Physical channel configuration signaling procedures
11/14/2002US20020167912 Method and apparatus for identifying hierarchical data structures
11/14/2002US20020167911 Method and apparatus for determining jitter buffer size in a voice over packet communications system
11/14/2002US20020167902 Method and system for performing security via virtual addressing in a communications network
11/14/2002US20020167897 Redundant changeover apparatus
11/14/2002US20020167895 Method for restoring diversely routed circuits
11/14/2002CA2680290A1 Transmission apparatus and method for multimedia service in mobile communication system
11/14/2002CA2446766A1 Minimizing jitter in qos networked gateway devices
11/14/2002CA2414300A1 Transmission apparatus and method for multimedia service in mobile communication system
11/13/2002EP1257073A2 Method for operating a radio communication system
11/13/2002EP1257059A2 Method and apparatus for synchronizing slave network node to master network node
11/13/2002EP1256252A2 System and method for improving channel monitoring in a cellular system
11/13/2002EP1256207A2 Multi-portal bridge for providing network connectivity
11/13/2002EP1256198A1 Method and apparatus for transferring data between different network devices over an ip network
11/13/2002EP1256197A2 Reference time distribution over a network
11/13/2002EP1256195A1 System and method for adjusting pcm data frames for robbed bit signaling in a telephone network
11/13/2002EP1256190A1 Method and apparatus for power control of multiple channels in a wireless communication system
11/13/2002EP1057279B1 method for asynchronous cdma cellular communication
11/13/2002EP0799554B1 System for tdma mobile-to-mobile vselp codec bypass
11/13/2002CN1379937A Method and system for robust frame type protection in system employing variable bit rates
11/13/2002CN1094277C 通信网络的动态带宽分配 Dynamic bandwidth allocation of a communication network
11/12/2002US6480559 Frame synchronization with unique-word dependent filter coefficients
11/12/2002US6480533 Method and apparatus for receiving control signals in a data communication system having a fully digital communication channel
11/12/2002US6480511 Arrangement for synchronization of a stream of synchronous traffic delivered by an asynchronous medium
11/12/2002US6480509 Communication system using a compressed connection
11/12/2002US6480504 Paging channel configuration for efficient wake-up period utilization
11/12/2002US6480498 High speed network switch bus clock
11/12/2002US6480493 System for managing telecommunications
11/12/2002US6480483 Frame synchronization system between base stations of mobile radio communication system and base station device employing this system
11/12/2002US6480475 Method and system for accomodating a wide range of user data rates in a multicarrier data transmission system
11/12/2002US6480310 PDS structured optical subscriber system
11/12/2002US6480197 Transmitter, receiver and/or record carrier for use with an information signal including a coded text line having character codes and control codes for controlling display of characters defined by the character codes
11/12/2002US6480047 Reduced jitter phase lock loop using a technique multi-stage digital delay line
11/07/2002WO2002089433A2 Method for determining the gradients of signals transmitted via an asynchronous transmission link
11/07/2002WO2002089431A1 Architectures for a single-stage switch
11/07/2002WO2002089412A1 Data transmission apparatus, data reception apparatus, data transmission method, data reception method, and transfer system
11/07/2002WO2002089388A1 Timing recovery in receivers with antenna diversity using synchronization loops
11/07/2002WO2002089377A1 System, method, and article of manufacture for using a replaceable component to select a replaceable quality of service capable network communication channel component
11/07/2002WO2002089375A2 A transmission method
11/07/2002WO2002089374A2 Multiple low-speed into single high-speed sdh/sonet channel mapper / framer device and method
11/07/2002WO2001043334A9 Voice gateway with downstream voice synchronization
11/07/2002US20020164986 Wireless telecommunications apparatus in particular of UMTS or other third generation type and a method of wireless telecommunication
11/07/2002US20020164008 Apparatus and method for network - initiated real - time multi - party communications
11/07/2002US20020163939 Transporting a gigabit per second data stream over a SDH/SONET network
11/07/2002US20020163937 Dynamic bandwidth allocation system
11/07/2002US20020163932 Method of providing synchronous transport of packets between asynchronous network nodes in a frame-based communications network
11/07/2002US20020163930 Methods and systems for interleaving data from multi-rate channels into a single interface
11/07/2002US20020163900 Radio communication system and channel allocation method in time division multiplex connection method
11/07/2002US20020163898 Fast acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
11/07/2002US20020163893 Method for operating a radio-based communication system
11/07/2002US20020163890 Data communication device
11/07/2002US20020163695 Time slot scheduling for shared-medium communications networks
11/07/2002US20020163466 Method and apparatus for synchronization of clocks
11/06/2002EP1255375A1 Plural station memory data sharing system
11/06/2002EP1255363A1 Wireless telecommunications system and method for asymmetric data transmission
11/06/2002EP1254577A2 Base station synchronization for handover in a hybrid gsm/cdma network
11/06/2002EP1254531A1 Apparatus and method for generating a modulated clock signal including harmonics that exhibit a known sideband configuration
11/06/2002EP1254530A1 A receiver for the recovery of the clock in the transport of cbr services, originating both from dcti transmitters and from srts transmitters
11/06/2002EP1101296A4 Communication system with fast control traffic
11/06/2002EP1010257A4 Method and apparatus for synchronized communication over wireless backbone architecture
11/06/2002EP0948858B1 Method and apparatus for storing and retrieving performance data collected by a network interface unit
11/06/2002CN1378730A Transmission method with frequency and time spread at transmitter level