Patents
Patents for H04J 3 - Time-division multiplex systems (63,408)
12/2009
12/08/2009US7630357 Synchronization of distributed cable modem network components
12/08/2009US7630349 Antenna division multiple access
12/08/2009US7630328 SIP-based session control
12/08/2009US7630303 Communication control method and network system
12/08/2009US7630301 Method and apparatus for line and path selection within SONET/SDH based networks
12/08/2009US7630297 Trail/path protection for SDH/SONET networks
12/08/2009US7630293 Redundant packet selection and manipulation in wireless communications systems
12/03/2009WO2009146217A2 Systems and methods for transmitting and receiving additional data over legacy satellite digital audio radio signals
12/03/2009WO2009145066A1 Optical communication system, optical communication method, and relay device
12/03/2009WO2009145021A1 Clock reproduction signal generation method and clock reproduction circuit
12/03/2009WO2009144537A1 Apparatus and methods for time synchronization of wireless audio data streams
12/03/2009WO2009143893A1 Method for localizing an optical network termination in an optical access network
12/03/2009US20090297163 Reference-clock selection circuit and reference-clock selection method
12/03/2009US20090296794 System and Method for Performing Ranging in a Cable Modem System
12/03/2009US20090296742 Close proximity communication device and methods
12/03/2009US20090296740 Providing a prefix for a packet header
12/03/2009US20090296739 Communication device and communication method thereof
12/03/2009US20090296738 Method and apparatus for frame relay
12/03/2009US20090296736 Method for transferring data in an automation system
12/03/2009US20090296734 End-To-End Service Quality for Latency-Intensive Internet Protocol (IP) Applications in a Heterogeneous, Multi-Vendor Environment
12/03/2009US20090296717 Vlan protocol
12/03/2009US20090296684 Packet synchronizing for communications over a wireless communication system
12/03/2009US20090296683 Transmitting a protocol data unit using descriptors
12/03/2009US20090296682 Wireless communication system, wireless terminal, management apparatus, and session control method
12/03/2009US20090296681 Use of out-of-band signaling for wireless communication network to enhance search and entry
12/03/2009US20090296680 Wireless Communication Method in Traffic System, Wireless Base Station, and Wireless Terminal
12/03/2009US20090296667 Communication Method In Mobile Communication System, And Mobile Station And Base Station In The Same System
12/03/2009US20090296666 Multiplexing arrangements for multiple receive antennas
12/03/2009US20090296665 Method of Indicating Mobile Station Capability to a Network
12/03/2009US20090296664 Detection and Mitigation of Temporary (Bursts) Impairments in Channels Using SCDMA
12/03/2009US20090296649 Base station and wireless communication method
12/03/2009US20090296614 System for wireless ofdm communications
12/03/2009US20090296611 Broadband Network for Coaxial Cable Using Multi-carrier Modulation
12/03/2009US20090296587 Method and apparatus for packet error detection
12/03/2009DE102005042334B4 Synchronisationsvorrichtung und Halbleitervorrichtung Synchronization device and semiconductor device
12/03/2009DE102004045527B4 Konfigurierbare Logikschaltungsanordnung Configurable logic circuitry
12/02/2009EP2129070A1 Digital data transmitting device and digital data receiving device
12/02/2009EP2129062A2 Personalized multimedia messaging system
12/02/2009EP2129046A1 Packet round trip time measuring method
12/02/2009EP2129016A2 Method and equipment for delay measurements in a communication system
12/02/2009EP1468514B1 Digital frame determination method and apparatus
12/02/2009EP1344323B1 Discontinuous reception for user equipment
12/02/2009CN101595669A Server time protocol messages and methods
12/02/2009CN101595668A Method and system for establishing a logical path between servers in a coordinated timing network
12/02/2009CN101595667A Facilitating synchronization of servers in a coordinated timing network
12/02/2009CN101594646A Wireless communication system, wireless terminal, management apparatus, and session control method
12/02/2009CN101594206A Method and device for synchronizing forward error correction coding and decoding modes
12/02/2009CN101594192A Fault on-line detection method and fault on-line detection device for signal processing equipment and optical interface board
12/02/2009CN101594191A Method and system for protecting shared link interlinking ring network and interlinking nodes
12/02/2009CN101594190A Power system time synchronization method and device and power system thereof
12/02/2009CN101594189A Transmission method and receiving device of frame synchronizing signal
12/02/2009CN101594169A Method and equipment for measurements
12/02/2009CN100566445C Systems and methods for multiplexing control information onto a physical data channel
12/02/2009CN100566439C A method of reducing or compensating for delays associated with PTT and other real time interactive communication exchanges
12/02/2009CN100566377C Method of processing data of at least one data stream, data storage system and method of use thereof
12/02/2009CN100566307C Synchronous data transfer system for time-sensitive data in packet-switched network
12/02/2009CN100566267C Method and apparatus for synchronizing a data communications network
12/02/2009CN100566234C Method for synchronizing and processing data, customer terminal equipment and servo
12/02/2009CN100566220C Time-division synchronization radio modem apparatus
12/02/2009CN100565401C Implementing method of SCM system receiving IRIG-B code compare time signal
12/01/2009US7627348 Point to multipoint device for communication with a plurality of telecommunications units
12/01/2009US7627070 Method of detecting the relative positioning of two signals and corresponding device
12/01/2009US7627005 Multiplexing system
12/01/2009US7627004 Transporting synchronization channel information across a packet network
12/01/2009US7627003 Automatic clock synchronization and distribution circuit for counter clock flow pipelined systems
12/01/2009US7627000 Using an external router to manage foreign data communication channel traffic
12/01/2009US7626999 Apparatus and methods for circuit emulation of a point-to-point protocol operating over a multi-packet label switching network
12/01/2009US7626995 Method and apparatus for scalable virtual private network multicasting
12/01/2009US7626991 Clearinghouse for messages between disparate networks
12/01/2009US7626990 Packet counters and packet adders for traffic profiling in a multiprocessor router
12/01/2009US7626978 Method for diverting an ISUP talkpath to an IP talkpath
12/01/2009US7626975 Method of synchronizing broadcast streams in multiple soft handoff sectors
12/01/2009US7626974 Frame synchronisation in a radio access network
12/01/2009US7626971 Mobile communication system and method of controlling operation thereof
12/01/2009US7626960 Use of signaling for auto-configuration of modulators and repeaters
12/01/2009US7626958 Serial port multiplexing protocol
12/01/2009US7626955 System and method for providing a fast and optimized uplink and downlink scheduling algorithm for use in FDD communication systems with half-duplex stations
12/01/2009US7626953 Communications networks
12/01/2009US7626952 Device for aggregating, translating, and disseminating communications within a multiple device environment
12/01/2009US7626950 SIP-based session control among a plurality of multimedia devices
12/01/2009US7626946 Communication system with timing cycle simulation
12/01/2009US7626945 System and method for designing a network
12/01/2009US7626924 Transmission device and label allocation method
12/01/2009US7626916 Method and system for crosstalk cancellation
12/01/2009CA2526926C Method for selectively allocating a limited number of bits to support multiple signaling types on a low bit rate channel
12/01/2009CA2341341C Method and system for mapping channels into a convolutional encoded time division multiplex in the downlink
11/2009
11/26/2009US20090291698 Transmission frame and radio unit with transmission frame
11/26/2009US20090290603 Multiple e-carrier transport over dsl
11/26/2009US20090290602 Apparatus and method for frequency translation
11/26/2009US20090290598 Method and apparatus for supporting rlc re-segmentation
11/26/2009US20090290597 Downscaling system bandwidth
11/26/2009US20090290589 Method and apparatus for establishing metazones across dissimilar networks
11/26/2009US20090290583 System and method for multiplexing fractional tdm frames
11/26/2009US20090290582 Signal transmission method, transmission/reception device, and communication system
11/26/2009US20090290581 Broadcast-content transmitting apparatus, broadcast-content receiving apparatus, broadcast-content transmitting method, broadcast-content receiving method, and program
11/26/2009US20090290572 System and method for time synchronization in a wireless network
11/26/2009US20090290571 Method and system for calculating a local time for a user equipment in an intelligent network
11/26/2009US20090290560 Method and base station for uplink resource allocation in time-sharing channel mode
11/26/2009US20090290559 Method and apparatus for harq autonomous retransmissions
11/26/2009US20090290558 Bandwidth allocation in ad hoc networks