"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 6697370 | Bandwidth control method of packet data in packet switching network and packet switching network system Efficient use of an ATM transmission path becomes possible by multiplexing, into a bandwidth in the bandwidth-assured individual VP, a plurality of users whose traffic volumes are beyond a predetermined value. Installing a bandwidth-unassured common VP fo... | 02/24/2004 |
| 6667972 | Method and apparatus providing multi-service connections within a data communications device A method and apparatus provide a data communication device that can process a number of streams of data according to a plurality of services. A host device such as a network access server which may include a router and a number of carrier cards hosts a nu... | 12/23/2003 |
| 6661804 | Methods and apparatus for providing quality-of-service guarantees in computer networks An arbitration mechanism provides quality of service guarantees for time-sensitive signals sharing a local area computer network with non-time-sensitive traffic. Device adapters are placed at all access points to an Ethernet network. The device adapters l... | 12/09/2003 |
| 6661812 | Bidirectional bus for use as an interconnect routing resource A bidirectional bus structure includes a first multiplexer path propagating signals in a first direction and a second multiplexer path propagating signals in a second direction. For one embodiment, the bus structure further includes a circuit for selectiv... | 12/09/2003 |
| 6658008 | Method and apparatus for removal of dataless frames when transporting private line traffic over an ATM network A method and apparatus are provided to remove dataless TDM frames when transporting private line traffic over an ATM network. A number of TDM frames comprising a TDM private line circuit are received, and it is determined if a TDM frame contains data. The... | 12/02/2003 |
| 6654388 | Method and apparatus for automatically determining allocation of voice and data channels on T1/E1 line A device for combining voice and data into a single T1 line performs the functions of a channel bank, IP gateway, multiplexer, and firewall. The device includes automatic configuration capability which allows the device to be automatically and remotely pr... | 11/25/2003 |
| 6650628 | Combining QAM and QPSK to optimize license capacity in cellular, multipoint wireless access systems A system and method for combining multiplexing and modulation schemes to deliver high and low bandwidth services over a wireless link. The system includes a base station (BTS) with a transmitter for point to multipoint communications to a plurality of net... | 11/18/2003 |
| 6650633 | Monitor network with advanced intelligent network (AIN) for electronic surveillance In a public switched telephone network, interoffice call attempts to or from a line under surveillance generate a variety of query, response and release messages between the offices, as part of the normal procedures for setting up and tearing down the cal... | 11/18/2003 |
| 6636525 | Destination dependent coding for discrete multi-tone modulation Systems, methods and computer program products are provided for simultaneously transmitting data over a plurality of subscriber lines, such as twisted pair telephone wires, extending between a shared device and a respective plurality of remote devices usi... | 10/21/2003 |
| 6628668 | Crosspoint switch bandwidth allocation management A system for allocating bandwidth in a network element. The system determines whether a bandwidth allocation request is associated with a delay sensitive connection type. If so, the system selects a bandwidth allocation algorithm from a first set of bandw... | 09/30/2003 |
| 6621823 | Network appliance combining asychronous notification with interactive network transfer protocol server A network hub responds to network problems by generating traps in conformance with the Simple Network Management Protocol (SNMP). In generating a trap, the hub includes a Uniform Resource Locator (URL) as a text string incorporated in the trap. The networ... | 09/16/2003 |
| 6614804 | Method and apparatus for remote update of clients by a server via broadcast satellite The invention involves transmission download of data to plural, mass storage medium-based remote users of content or software upgrades or multiple versions. Optionally provided are pre-download scheduling of one or more future download sessions and post-d... | 09/02/2003 |
| 6594250 | Method of monitoring base stations with discontinuous control channel transmissions A method for monitoring with discontinuous BCCH carriers in GSM, in which a mobile station can monitor a neighboring base station in each frame, or one in each frame. i.e. once in 4.615 ms, even where the base stations do not transmit continuously on a be... | 07/15/2003 |
| 6594273 | Self-configuring radio network The invention is a radio terminal that co-ordinates with similar terminals around it to form a time division multiple access (TDMA) network. No base station or special devices are needed to manage the network. The terminals autonomously establish the crit... | 07/15/2003 |
| 6590900 | Time and space sliced non-blocking network switching fabric A method and apparatus for switching n data streams for input and output of the data streams by an n input, n output data store without data loss. The data store is divided into n separate storage arrays and each data stream is divided into n equal-sized ... | 07/08/2003 |
| 6587446 | Handoff in a wireless communication system A mobile station transmits a plurality of channels including a pilot channel and at least one information channel. In the exemplary embodiment, the base station determines the adequacy of the transmission energy of the reverse link signal in accordance wi... | 07/01/2003 |
| 6584112 | Exchange guaranteed to have same terminal identifier information as that of subscriber terminal equipment An exchange connects terminal equipment each having terminal identifier information. A layer 3 control unit of the exchange generates a pseudo layer 3 global reception call; and a layer 2 control unit of the exchange terminates the global reception call a... | 06/24/2003 |
| 6580711 | Serial interface circuit and signal processing method of the same To provide a serial interface circuit capable of converting a large volume of data into packets based on a predetermined standard for transmission and reception and capable of performing smooth transmission and reception processing, which comprises a tran... | 06/17/2003 |
| 6574240 | Apparatus and method for implementing distributed layer 3 learning in a network switch A network switch, configured for performing layer 2 and layer 3 switching in an Ethernet (IEEE 802.3) network without blocking of incoming data packets, includes a network switch port having a port filter configured for evaluating an incoming data packet ... | 06/03/2003 |
| 6574194 | Architecture of data communications switching system and associated method A system for facilitating packet data flow among stations on a data network and the associated method are disclosed. The system comprises queue managers that further comprise a free queue manager, an enqueue controller, a multicast queue manager, and a po... | 06/03/2003 |
| 6570883 | Packet scheduling using dual weight single priority queue A packet scheduling system for a packet switching network is disclosed which supports quality of service features including real-time priority, bandwidth reservation and excess bandwidth sharing. A dual frame approach is used to control the bandwidth dist... | 05/27/2003 |
| 6570852 | Relay communication system In a case where a receiving station is performing a relay transmission by uniquely identifying a transmission data on a network on the basis of an identifier of a communication terminal of a transmitting station and an identifier of the data, the transmit... | 05/27/2003 |
| 6570875 | Automatic filtering and creation of virtual LANs among a plurality of switch ports In a method and apparatus for performing multiprotocol switching and routing, incoming data packets are examined and the flow (i.e., source and destination) with which they are associated is determined. A flow table contains forwarding information that ca... | 05/27/2003 |
| 6567426 | Preemptive timer multiplexed shared memory access The present invention is directed to a method and system for sharing a data memory among a plurality of processors in a computer system. In the system and method of the present invention, a plurality of processors are coupled to a data memory for accessin... | 05/20/2003 |
| 6567387 | System and method for data transmission from multiple wireless base transceiver stations to a subscriber unit The invention includes an apparatus and a method for scheduling wireless transmission of data blocks between multiple base transceiver stations and multiple receiver (subscriber) units. A scheduler unit receives the protocol data units from a network and ... | 05/20/2003 |
| 6563786 | Orthogonal frequency division multiplexing system with selectable rate An OFDM system uses a normal mode which has a symbol length T, a guard time TG and a set of N sub-carriers, which are orthogonal over the time T, and one or more fallback modes which have symbol lengths KT and guard times KTG where K is an integer greater... | 05/13/2003 |
| 6563842 | Communications system A transmission device on the side of subscriber terminals that have been divided into groups multiplexes, on a per-group basis, signals from the subscriber terminals, further time-division multiplexes the multiplexed data in each group and sends the time-... | 05/13/2003 |
| 6560237 | Packet order assurance mechanism Packets received by a network device such as a switch are queued to either a multicast or unicast queue depending on whether a valid mapping of the packet destination address to an output port of the device exists. Each queued packet is marked with a serv... | 05/06/2003 |
| 6553010 | Coverage detection and indication in multimedia radiocommunication system Whether a service is available for use by a mobile station in a radiocommunication system is ascertained by determining a quality value that represents the mobile station's transmission power capability that is above an amount of transmission power that w... | 04/22/2003 |
| 6553033 | Process for optimized transmission of ATM cells over connection elements The inventive process prevents a loss of ATM cells when processing ATM cells processed in accordance with the WEIGHTED FAIR QUEUEING SCHEDULING process by applying a peak bit rate limiting.... | 04/22/2003 |
| 6553029 | Link aggregation in ethernet frame switches Data packets containing source and destination addresses are received on one or more incoming ports for distribution on one or more outgoing ports. An address look-up table stores previously processed source and destination addresses, together with source... | 04/22/2003 |
| 6549515 | Method for managing varying traffic loads in a telecommunication network In a telecommunication network, a method for managing varying traffic load by establishing an instantaneous demand for bandwidth at a pre-defined location of the telecommunication network. The total number of bits required is compared with a number of bit... | 04/15/2003 |
| 6546000 | Method for channel use in TDMA system, and TDMA system A method for using channels in a time-division multiple access radio system which includes at least one base station and at least one mobile station and which operates on one or more carrier frequencies per base station. The carrier frequencies are divide... | 04/08/2003 |
| 6542462 | Method and apparatus for overload control of multimedia communications in a hybrid switching system A system is disclosed for overload control in a hybrid switching system that separately transports each monomedia stream, such as video, voice and data, of a composite multimedia signal. The overload control is based on the time delay for completion of ca... | 04/01/2003 |
| 6535530 | Apparatus and method for demultiplexing multiplexed data Disclosed is an apparatus for demultiplexing multiplexed data. This apparatus comprises a demultiplexer for receiving a multiplexed packet stream in which a plurality of object data are multiplexed, and demultiplexing the multiplexed data with reference t... | 03/18/2003 |
| 6535516 | Shared memory based network switch and the network constructed with the same A shared memory based network having a transferring network switch and a receiving network switch. In this network, each network switch has a stack, queues corresponding to output ports and a dared control port. The stack stores available buffer addresses... | 03/18/2003 |
| 6535479 | Hitless switching system of ATM switch apparatus in which discard priority control is stopped A hitless switching system in an asynchronous transfer mode (ATM) apparatus, includes a first system switch section and a second system switch section. The first system switch section has a first cell buffer, and sequentially stores a sequence of cells in... | 03/18/2003 |
| 6535482 | Congestion notification from router In a router in a network comprising a source node, and a receiver node, and other nodes, a congestion monitor determines a degree of congestion, which is sent back to the source node, using an OSI network layer protocol. This enables the flow of packets f... | 03/18/2003 |
| 6535515 | TCP communication speed improving system A TCP gateway terminates TCP flow control and retransmission control of TCP packets which are input from a transmitter side terminal, in place of a receiver side terminal. Also, the TCP gateway transfers the packet to the TCP gateway which is located on t... | 03/18/2003 |
| 6529529 | Multiplexing device having a digital 1-link relay capability A multiplexing device with small circuitry, which reduces a time period during which a signal format mismatch state is continued within a communications system due to a difference of the time point at which switching to a relay exchange mode is performed,... | 03/04/2003 |