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| Number | Title | Issue Date |
| 6944161 | Method and device for assigning cell data units to sequential storage positions of data frames using a pointer position estimation In a communication system (SYS) circuit switched data frames (DF) are disassembled into ATM cells (CL), routed through an ATM routing network (RN) and cell data is reassembled into data frames (DF) by a frame assembly device (FAD). Second type cells including a poin... | 09/13/2005 |
| 6771612 | Full duplex interface apparatus for a high performance serial bus using a port switch A full duplex interface apparatus for a high performance serial bus is provided. More particularly, an IEEE 1394 interface apparatus is provided which includes a port switch having two ports coupled to a source generator device and a display device and separately re... | 08/03/2004 |
| 6721267 | Time and bandwidth scalable slot for mobile data system A scalable slot format defining positions of synchronization symbols, pilot symbols and data symbols for various numbers of sub-channels and various lengths of time in a multi-carrier communication system. An initial pattern (500) and one or more follow-on pa... | 04/13/2004 |
| 6704296 | Optimized MII for 802.3u (100 BASE-T) fast ethernet PHYs A media independent interface for interconnecting an integrated repeater front-end with one or more integrated interface devices, each having several physical layer devices for operation in conformance with IEEE 802.3u. The media independent interface, in... | 03/09/2004 |
| 6704277 | Testing for digital signaling In an electronic system having logic agents that communicate with each other through one or more signal lines, a method for testing high speed digital signaling on the signal lines is disclosed. The method involves sensing a first crosstalk signal induced... | 03/09/2004 |
| 6704300 | Method and system for acquisition of a time stamped signal The invention is directed to a method and system for acquisition of a time stamped signal burst while preserving timing information. A system for acquisition of a time stamped signal burst while preserving timing information. The system includes a first f... | 03/09/2004 |
| 6678265 | Local number portability database for on-net IP call A method for connecting a call in an IP telephony system is disclosed. A dialed unique identifier is routed to a network device. The network device determines whether the dialed unique identifier has been ported. If the dialed unique identifier has not be... | 01/13/2004 |
| 6674743 | Method and apparatus for providing policy-based services for internal applications A packet-forwarding device for providing policy-based services has at least a first interface, a second interface, and a packet forwarder for forwarding external packets between the first and second interfaces. The packet-forwarding device also runs inter... | 01/06/2004 |
| 6674741 | High speed data transmission in mobile communication networks The invention relates to high speed data transmission in digital mobile communication systems. In multichannel data transmission, a single data connection is allocated a plurality of parallel traffic channels (Ch1, Ch2, Ch3) via which the data units (1, 2... | 01/06/2004 |
| 6667963 | Cellular radio synchronization A cellular radio network based positioning system for determining the position of a mobile station (16). For each base transceiver station (1 to 5) or cell of the network, a fixed list of base transceiver stations is stored by a Mobile Positioning Centre ... | 12/23/2003 |
| 6665263 | VP protection system and VP protection method The present invention provides a VP protection system and a VP protection method which forward messages quickly to nodes on an ATM network when an error occurs on the ATM network and reduce an error recovery time. The VP protection system, for use on an A... | 12/16/2003 |
| 6665314 | Wireless printer adjunct A method and system for managing the transmission of data having variable priority over a transmission link are disclosed. Higher and lower priority data share a common transmission link such as a wireless communications network. Lower priority data such ... | 12/16/2003 |
| 6661781 | Multicarrier demux/demod (MCDD) wireless network architecture An apparatus and method for providing bandwidth on demand service in a wireless communication system having at least one user station, including a frequency divider for dividing a selected bandwidth into a plurality of frequency subdivisions. Also include... | 12/09/2003 |
| 6657992 | System and method for providing service control to a single telephone end terminal from multiple service providers A system and method of using multiple service providers to provide subscriber services on a per call basis achieved by using H.323 capability in a gatekeeper to identify call signaling transfer addresses used for each call. Service subscription data is ba... | 12/02/2003 |
| 6657956 | Method enabling secure access by a station to at least one server, and device using same A process for protecting accesses to at least one server (30) is characterized in that it makes it possible to protect accesses originating from user stations (2) whose destination is at least one application server through a network (42) using a multises... | 12/02/2003 |
| 6654341 | Virtual line switching ring At least one protection line is shared among SONET rings. Identification and availability information of the shared protection line is distributed among the switches of the SONET rings using K-byte data in the SONET overhead.... | 11/25/2003 |
| 6650631 | Public IP transport network A system and method for providing IP transport and Internet services using a public switched telephone network and providing equal access. The system provides a wide area communications network serving a plurality of defined geographic areas (LATAs) serve... | 11/18/2003 |
| 6647008 | Method and system for sharing reserved bandwidth between several dependent connections in high speed packet switching networks A method for establishing a network connection through a link issuing from a physical port is disclosed. The link has an aggregation of connections. The network connection has a required capacity. The method first computes, from mean bit rates of the aggr... | 11/11/2003 |
| 6647009 | Broadcast address server with physical address discrimination for broadcasting packets A broadcast address server which can be implemented by slightly modifying an existing address server to make it possible to distribute broadcast packets in a reduced time period. A connection set-up unit establishes, in advance, a broadcast connection ext... | 11/11/2003 |
| 6636500 | Medium allocation method In a system in which the modulation scheme employed may change on a per-time-slot basis, a user's available data rate may change even if the user maintains the same number of time slots, because the capacity of the user's time slots may change. If one or ... | 10/21/2003 |
| 6633544 | Efficient precomputation of quality-of-service routes The present invention provides a method and system for computing and storing minimum-cost routes to all destination nodes in a network. According to one embodiment, the present invention is applied in the context of computing quality of service routes usi... | 10/14/2003 |
| 6618374 | Method for inverse multiplexing of ATM using sample prepends A single ATM traffic stream is carried over a plurality of lower bandwidth media, such as T-1 or E-1 interfaces, using inverse multiplexing assisted by a prepended byte at the beginning of each ATM cell, the byte containing a key to permit recovery of the... | 09/09/2003 |
| 6611531 | Method and apparatus for routing integrated data, voice, and video traffic A Multiservice Access Concentrator (MAC) receives information comprising at least one data stream, at least one voice channel, at least one video stream, Local Area Network (LAN)-based traffic, and facsimile traffic. The received data stream is packetized... | 08/26/2003 |
| 6611519 | Layer one switching in a packet, cell, or frame-based network A system and method are described for synchronizing store-and-forward networks and for scheduling and transmitting continuous, periodic, predictable, time-sensitive, or urgent information such as real-time and high-priority messages over those networks. T... | 08/26/2003 |
| 6600731 | Method and base station system for calling mobile stations for the transmission of packet data In order to call mobile'stations, mobile stations are, according to the invention, allocated to time slots for calling on the basis of subscriber-specific profiles. The number of time slots allocated for calling within a macroframe can be set individually... | 07/29/2003 |
| 6594252 | Locating control signals in a mobile communications system A mobile communications system includes a first link and a second link (e.g., a circuit-switched link and a packet-switched link). When a mobile unit is initialized in the mobile communications system, it identifies a first control signal, such as the dig... | 07/15/2003 |
| 6590861 | Combining virtual local area networks and load balancing with fault tolerance in a high performance protocol A method to send and receive data packets over a network of computer systems (e.g., a plurality of virtual local area networks [VLANs] compliant with the IEEE 802.1Q standard) using a server computer system adapted to have a plurality of network interface... | 07/08/2003 |
| 6587434 | TCP/IP communications protocol The present invention includes an intelligent router and method for improving the routing of datagrams, resulting in increased effective bandwidth over networks of high latency. The intelligent router can be used alone or in combination with a second inte... | 07/01/2003 |
| 6587470 | Flexible cross-connect with data plane A flexible cross-connect with a data plane is presented which allows the establishment of connections between network interfaces at any network interface card to another network interface on any other network interface card. The system can cross-connect c... | 07/01/2003 |
| 6584108 | Method and apparatus for dynamic allocation of multiple signal processing resources among multiple channels in voice over packet-data-network systems (VOPS) A Multiservice Access Concentrator (MAC) establishes a representation among at least one signal processing device and multiple logical channels. The signal processing devices comprise digital signal processors (DSPs). The logical channels are placed into ... | 06/24/2003 |
| 6584075 | Efficient caching of routing information for unicast and multicast connections A routing engine for a node controller of a switch or for a router provides enhanced routing for unicast and multicast connections by representing preferred routing trees, associated with different bandwidths and quality of service indications, as tables ... | 06/24/2003 |
| 6580717 | Packet communication method and apparatus and a recording medium storing a packet communication program A packet communication method and a packet communication system capable of making an IPv4-compatible application operating on an information processing apparatus communicate with another information processing apparatus connected to an IPv6 network withou... | 06/17/2003 |
| 6574216 | Packet data network voice call quality monitoring The quality of service existing in a data packet network during the course of communication of a voice call through a data network, such as the Internet, is monitored. A minimum acceptable level of service may be predefined with a threshold quality level ... | 06/03/2003 |
| 6574207 | Method for subscriber unit compressing and transmitting high speed data Two related voiceband compression techniques are employed in order to enable an RF telecommunications subscriber unit to accommodate data signals of high speed voiceband modems and FAX machines. A High Speed Codec enables the subscriber unit to pass voice... | 06/03/2003 |
| 6570850 | System and method for regulating message flow in a digital data network A system includes a plurality of computers interconnected by a network including one or more switching nodes. The computers transfer messages over virtual circuits established thereamong. A computer, as a source computer for one or more virtual circuit(s)... | 05/27/2003 |
| 6570879 | Communications system and method of controlling same In order to make it possible for communications quality required for communication to be selected optimally in conformity with the states of a plurality of networks, which network is to be used for communication is selected based upon a plurality of commu... | 05/27/2003 |
| 6570888 | Using a receiver model to multiplex variable-rate bit streams having timing constraints Techniques for determining an output rate for a bit stream, the output rate being determined by applying information read from the bit stream to a model of a receiver for the bit stream. The techniques are employed to construct a statistical multiplexer t... | 05/27/2003 |
| 6556544 | Method and system for provisioning network resources for dynamic multicast groups A system for provisioning a dynamic multicast group over a differentiated services (DS) network includes an a plurality of edge nodes, each of which includes a respective multicast traffic engineering entity. An ingress node is adapted to serve as a sourc... | 04/29/2003 |
| 6553006 | Resource allocation in packet-format data transmission The invention relates to a method for allocating resources for a data transmission connection between a wireless communication device and a mobile communication network. In the method, the information to be transmitted is divided into at least a first and... | 04/22/2003 |
| 6546013 | Method and apparatus for delivering reference signal information within a specified time interval Variable rate multiplexer devices have, by definition, a variable output rate for bits of information encoded therein. As a result necessary time sync information such as program clock reference information cannot be guaranteed to be delivered within the ... | 04/08/2003 |
