Patents for H04L 12 - Data switching networks (448,999)
03/2009
03/25/2009CN101394273A Multichannel ciphered information transmission method
03/25/2009CN101394271A Method for simultaneously establishing pair cipher key and group cipher key in sensor network
03/25/2009CN101394270A Wireless mesh network link layer ciphering method based on modularized routing
03/25/2009CN101394265A Ciphering mode switching method for G bit passive optical fiber network system
03/25/2009CN101394264A Monitoring method and device for periodically packet transmission
03/25/2009CN101394263A Uplink channel measurement reference signal and mapping method for bandwidth range frequency domain position
03/25/2009CN101394261A State transition method and network node device
03/25/2009CN101394260A Method and apparatus for realizing main standby inverting and load sharing
03/25/2009CN101394249A Transmission control method, transmission method and device
03/25/2009CN101394240A Internet service processing method and system based on network television
03/25/2009CN101394220A Time slot uniform distribution method oriented to MF-TDMA system
03/25/2009CN101394209A Macrodiversity incorporating method, system and equipment
03/25/2009CN101394199A Method for data transmission in large bandwidth system
03/25/2009CN101394192A Power management method and corresponding device
03/25/2009CN101393442A CEMS monitoring method based on OPC communication technology
03/25/2009CN100473237C Wireless unit-in network, wireless communication method, controlling servo and data servo
03/25/2009CN100473226C Radio packet communication method and radio packet communication apparatus
03/25/2009CN100473219C Error estimate concerning a target device's location operable to move in a wireless environment
03/25/2009CN100473218C Sequence-based positioning technique
03/25/2009CN100473217C Communication network system and network device thereof and method of providing communication
03/25/2009CN100473213C Radio communication system and transmission mode selecting method
03/25/2009CN100473212C Device, system and method for channel scanning
03/25/2009CN100473208C Handover decision for IP services broadcasted on a DVB network
03/25/2009CN100473200C Method for remote switch-in base station of operating maintenance terminal and mobile communication system
03/25/2009CN100473199C Method of implementing alarm for power-off of base station
03/25/2009CN100473192C Method and apparatus for encrypting transmissions in a communication system
03/25/2009CN100473188C Voice calling handling method and system at whole IP framework
03/25/2009CN100473186C Apparatus, method and system for a remote-page device
03/25/2009CN100473183C Method (II) for providing calling indication for GSM1X user
03/25/2009CN100473182C Method for sending and receiving MBMS using single-slot network in TD-SCDMA
03/25/2009CN100473163C Method and system for projecting dynamic static hybrid picture
03/25/2009CN100473146C Device and method for outputting data of a wireless terminal to an external device
03/25/2009CN100473113C Image pick-up device and method
03/25/2009CN100473110C TV-set top box for supporting multi-customer use simultaneouslly
03/25/2009CN100473095C A method for implementing speech interaction application scene
03/25/2009CN100473075C One push business terminal for wiring system and method for carrying out it
03/25/2009CN100473072C 网络地址服务器 The network address of the server
03/25/2009CN100473071C Data reception device and data distribution system
03/25/2009CN100473069C Layer-2 VPN equipment supporting pseudo line tag reflection and networking method
03/25/2009CN100473067C Device, method and system for object exchanging bridge
03/25/2009CN100473066C Reduced hardware network adapter and communication method
03/25/2009CN100473060C Relay device, data packet filtering method
03/25/2009CN100473059C Method for switching media stream code/decode format
03/25/2009CN100473058C Generating and implementing a communication protocol and interface for high data rate signal transfer
03/25/2009CN100473057C Data transmission and processing method
03/25/2009CN100473056C Transmission of secure electronic mail formats and transmission device
03/25/2009CN100473055C E-mail telecommunicating method and system
03/25/2009CN100473054C Network device and method for disposing grouping
03/25/2009CN100473053C Method of group transmission Ethernet passive light notwork uplink data
03/25/2009CN100473052C ACL-based service converging method
03/25/2009CN100473051C Multicast forwarding route aggregating method
03/25/2009CN100473050C Forwarding device for realizing remote MODEM management
03/25/2009CN100473049C Method for realizing access device long-distance identification-dialing user service proxy authentication
03/25/2009CN100473048C Wireless network accessing apparatus capable of receiving video telecommunication
03/25/2009CN100473047C Method of transmission control for adaptation layer 2 in asynchronous transfer mode
03/25/2009CN100473046C Method for combined selecting transmission format of No.3 generation communication system
03/25/2009CN100473045C Transmitting multiple packets in a frame
03/25/2009CN100473044C Canceling interference signals in receivers for packets
03/25/2009CN100473043C User calling load control method in IP network
03/25/2009CN100473042C Transmission bandwidth control device
03/25/2009CN100473041C Method and system for searching seed for P2P system
03/25/2009CN100473040C VPN realizing method
03/25/2009CN100473039C Active switching star node and network of stations interconnected by such a star node
03/25/2009CN100473038C Method for supporting multiple Ethernet point-to-point protocol conversation by one Ethernet interface
03/25/2009CN100473037C Method for realizing distributed DHCP relay
03/25/2009CN100473036C Load balancing method of radio local network
03/25/2009CN100473035C Method and system for supporting Internet protocol mobility on a mobile node in a mobile communication system
03/25/2009CN100473034C Master-slave synchronization communication system
03/25/2009CN100473033C Radio access system and method
03/25/2009CN100473032C Peer-to-peer communication apparatus and communication method
03/25/2009CN100473031C Ethernet and ATM tier joined data vonversion and correction device and method
03/25/2009CN100473030C Point to point communicaton system based on internet and dynamic IP address acquiring method
03/25/2009CN100473029C Gigabit Ethernet data service access device
03/25/2009CN100473028C An internal memory management method
03/25/2009CN100473027C Network apparatus, method of self-testing network connectivity, and method of analyzing frequency spectrum
03/25/2009CN100473026C Method for controlling realtime monitor service
03/25/2009CN100473025C Methods and systems for coordinated monitoring of network transmission events
03/25/2009CN100473024C Dynamic multilevel service quality assurance dispatching system and method
03/25/2009CN100473023C Cleaning method of redundant data of the IPTV system
03/25/2009CN100473022C A method to determine the number of subscriber of multimedia broadcast by quasi-real-time statistic
03/25/2009CN100473021C System and method for autonomic system management through modulation of network controls
03/25/2009CN100473020C A switching method for master and slave background network administration
03/25/2009CN100473019C System and program for managing setting
03/25/2009CN100473018C Method for substituting switch system of spatially separated switching systems
03/25/2009CN100473017C Mechanism to allow dynamic trusted association between PEP partitions and PDPs
03/25/2009CN100473016C Method for automatic regulating virtual cascade group bandwidth
03/25/2009CN100473015C A method and system for distributing video advertisement via Internet
03/25/2009CN100473014C Data sending device and data sending method thereof
03/25/2009CN100473013C Method for establishing context in multicast service of mobile communication system
03/25/2009CN100473012C Message recording merging method and user terminal
03/25/2009CN100473011C Information providing method and system
03/25/2009CN100473010C Optical network unit activating method and device
03/25/2009CN100473009C Line card management method and system
03/25/2009CN100473008C Single-node-to-multi-node concurrent download system and method
03/25/2009CN100473007C Content exchange network
03/25/2009CN100473006C Motion composing method in network game
03/25/2009CN100473005C Method and apparatus for alert distribution and archive sharing
03/25/2009CN100473001C Content distribution service providing system and content distribution device and user terminal device thereof
03/25/2009CN100472986C Method of optical fiber coaxial mixed cut in network back transmission noise inhibition
03/25/2009CN100472981C Method for stealing power or Walsh-code for a data channel (e.g. shared data channel) from a dedicated channel (e.g. voice channel)