Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 12 - Data switching networks
Patents for H04L 12 - Data switching networks (448,999)
08/2003
08/26/2003US6611231 Wireless packet switched communication systems and networks using adaptively steered antenna arrays
08/26/2003US6611147 Apparatus with interchangeable modules for measuring characteristics of cables and networks
08/26/2003US6611134 Open type electricity meter
08/26/2003US6609316 Node device and packet transfer method using priority in plural hierarchical levels
08/26/2003CA2256817C A network server platform for a hybrid fiber twisted pair loop network service architecture
08/21/2003WO2003069947A1 A server for initiating a group call in a group communication network
08/21/2003WO2003069946A1 A server for joining a user to a group call in a group communication network
08/21/2003WO2003069945A1 A communication device for initiating a group call in a group communication network
08/21/2003WO2003069943A1 A method and an apparatus for registering a user in a group communication network
08/21/2003WO2003069942A1 Wireless communication device operable on different types of communication networks
08/21/2003WO2003069938A1 Management method for radio resources in a radio telecommunication system
08/21/2003WO2003069937A1 Apparatus, method, and computer program product for wireless networking using directional signaling
08/21/2003WO2003069935A1 Device for testing packet-switched cellular radio network
08/21/2003WO2003069934A1 Adaptive state transition control
08/21/2003WO2003069926A1 A method and an apparatus for removing a member from an active group call in a group communication network
08/21/2003WO2003069924A2 Distributed message transmission system and method
08/21/2003WO2003069920A2 Transmission and flow control
08/21/2003WO2003069906A1 Cable television system and method for providing cable television service using the system
08/21/2003WO2003069886A2 Clock-based time slicing
08/21/2003WO2003069885A2 Time-slice signaling for broadband digital broadcasting
08/21/2003WO2003069872A1 Discovery of an agent or a server in an ip network
08/21/2003WO2003069871A1 Method and apparatus for conserving home agent resources in a wireless communication system supporting mobile ip
08/21/2003WO2003069870A2 Modifications to tcp/ip for broadcast or wireless networks
08/21/2003WO2003069869A1 A method for distributing information in a presence service system
08/21/2003WO2003069867A1 Gaussian fsk modulation with more than two modulation states
08/21/2003WO2003069861A1 Method and apparatus for reserving and releasing bandwidth for a packet-switched telephony connection established over an hfc cable network
08/21/2003WO2003069859A1 Multi-stream jitter buffer for packetized voice applications
08/21/2003WO2003069858A2 Connectionless internet traffic engineering framework
08/21/2003WO2003069857A1 Method for determining media qualities
08/21/2003WO2003069856A1 System and method for a communication network
08/21/2003WO2003069855A1 Method and device for connecting set of devices
08/21/2003WO2003069854A1 Port label switching
08/21/2003WO2003069853A1 Method for controlling data transmission, and data transmission system
08/21/2003WO2003069851A1 System and method for a communication network
08/21/2003WO2003069850A1 Data communication system, data communication management device and method, and computer program
08/21/2003WO2003069849A1 Systems and methods for packet filtering
08/21/2003WO2003069848A1 System for estimating network traffic characteristics of executable software applications
08/21/2003WO2003069847A2 Network management agent on a connector
08/21/2003WO2003069846A1 Method and system for adjusting the control parameter values of a network in an optimal manner
08/21/2003WO2003069845A1 Method and apparatus for integrated network planning and business modeling
08/21/2003WO2003069844A2 Voip telephone location system
08/21/2003WO2003069843A2 Clock synchronisation in a time triggered protocol (ttp) environment
08/21/2003WO2003069842A1 Filtering of data packets in a communication network according to interface identifiers
08/21/2003WO2003069838A1 Adaptive measurement of round-trip time in automatic retransmission request (arq) protocols and using an abort timer started at receipt of a negative acknowledgement (nak)
08/21/2003WO2003069837A1 Method and arrangement for retransmission of packets in the base station sub-system
08/21/2003WO2003069835A1 Method for controlling the data rate of transmitting data packets in a wireless communications system, receiver and transmitter therefor
08/21/2003WO2003069828A2 System and methods for protecting network sites from denial of service attacks
08/21/2003WO2003069823A2 Method and system for multimedia tags
08/21/2003WO2003069806A1 Method for relocating srns
08/21/2003WO2003069798A1 Communication system and method
08/21/2003WO2003069795A1 System and associated suppression assembly for limiting electromagnetic emissions in network devices communicating via a network bus
08/21/2003WO2003069794A2 Method for defining a group from among bi-directional objects
08/21/2003WO2003069792A1 Radio communication method and system for performing communication among a plurality of radio communication terminals
08/21/2003WO2003069573A1 Method for matching bidirectional objects
08/21/2003WO2003069530A1 Methods and systems for communicating with service technicians in a temecommunications system
08/21/2003WO2003069507A1 A system and a method relating to communication of data
08/21/2003WO2003069494A1 System for providing continuity of a broadcast between clients and mehthod therefor
08/21/2003WO2003069493A1 Initiating connections through firewalls and network address translators
08/21/2003WO2003069487A2 Data bus for electrically controlling the installation of modules
08/21/2003WO2003069482A2 System for preventing a computer virus accessing email addresses
08/21/2003WO2003069449A2 Computer virus control
08/21/2003WO2003069443A2 Method and system for forwarding smtp traffic
08/21/2003WO2003069440A2 Network processor with high-speed transceiver
08/21/2003WO2003069438A2 Message accessing
08/21/2003WO2003069426A2 End-to-end network communication
08/21/2003WO2003069372A2 Method and system for remotely servicing a detection device
08/21/2003WO2003069364A2 Presence tracking and name space interconnection techniques
08/21/2003WO2003067954A2 Short-range rf access point design enabling services to master and slave mobile devices
08/21/2003WO2003067953A2 Physical layer packet retransmission handling in wcdma in soft handover
08/21/2003WO2003058473A8 Interactive spatalized audiovisual system
08/21/2003WO2003051081A3 System and method for data exchange in a high data rate wireless communication system
08/21/2003WO2003051001A3 Method and device for data transmission
08/21/2003WO2003049385A3 Method and arrangement for data processing in a communication system
08/21/2003WO2003048957A8 Method and system for allowing multiple service providers to serve users via a common access network
08/21/2003WO2003045035A3 Dialog recovery and acknowledgement accumulation in a multi-computer system
08/21/2003WO2003043301A3 Handheld wireless conferencing technology
08/21/2003WO2003043280A3 A method for sending multiple voice channels over packet networks
08/21/2003WO2003041362A3 System and method for routing voice over ip calls
08/21/2003WO2003036902A3 Method and apparatus for a packet classifier using a two-step hash matching process
08/21/2003WO2003036832A3 Method for operating an end-user of an isochronous cyclical communication system
08/21/2003WO2003036438A3 System and method for session control in a mobile internet protocol network
08/21/2003WO2003034676A3 Change of sampling rate with single carrier and multicarrier waveforms
08/21/2003WO2003034635A3 Field technician communicator
08/21/2003WO2003032609A3 Method and apparatus for compressing packet headers
08/21/2003WO2003030468A3 Method and device for adapting label-switched paths in packet networks
08/21/2003WO2003021874A3 Method for sending access data to a subscriber station located, in particular, inside a motor vehicle for a special access mode
08/21/2003WO2003017690A3 Method and system for utilization of an outer decoder in a broadcast services communication system
08/21/2003WO2003007556A3 Routing for a communications network
08/21/2003WO2003005246A3 Method and apparatus for peer-to-peer services
08/21/2003WO2003003146A3 Message delivery system billing method and apparatus
08/21/2003WO2002098056A3 Method and apparatus for communications bandwidth allocation
08/21/2003WO2002089402A3 Loop-free multipath routing algorithm using distance vectors
08/21/2003WO2002088884A3 In-line power tap device for ethernet data signal
08/21/2003WO2002065708A3 Multipoint short range radio frequency system
08/21/2003WO2002056530A3 Method and system for tracking and providing incentives for time and attention of persons and for timing of performance of tasks
08/21/2003WO2002043323A3 Device and method for limiting tunnel traffic in a communication network
08/21/2003WO2002039681A9 Unified communications client
08/21/2003WO2002039667A3 Switch-based network processor
08/21/2003WO2002037280A3 Method of and apparatus for remote monitoring
08/21/2003WO2002033894A3 Method and apparatus for performance and cost optimization in an internetwork
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