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| Number | Title | Issue Date |
| 7349381 | Synchronization technique for spread spectrum frequency hopped data links and radios using the same A method of obtaining coarse synchronization in a frequency hopped/direct sequence spread spectrum (FH/DSS) time division multiple access (TDMA) data link network includes tuning the receiver to a first frequency used in the data link network. Then, signal strength ... | 03/25/2008 |
| 7075895 | System and method for facilitating discovery of network addresses and selected charateristics of computer systems and the like which are connected in digital data networks A system for use by a computer to determine which network addresses are being used by other computers or other devices in a network includes an address inquiry message packet generator module configured to enable the computer to transmit address inquiry message pack... | 07/11/2006 |
| RE39103 | Timing reference for scheduling data traffic on multiple ports Data traffic such as cell streams in an ATM communication network frequently contain data destined for multiple output ports having different transmission data rates. In order to accurately schedule such traffic a clocking signal unique to each output data rate is r... | 05/23/2006 |
| 7042846 | Restrictive costs in network systems Methods and apparatus are provided for generating a set of restrictive costs associated with directional paths between selected nodes in a group of nodes of a network system wherein each node in the group is connected by a link to at least one other node in the grou... | 05/09/2006 |
| 6973070 | System and method for transmitting subscriber data in a narrowband advanced messaging system using unscheduled message time slots There is disclosed for use in a narrowband wireless messaging network, a subscriber communication unit that uses a miscellaneous ALOHA message to transmit predefined messages and/or formatted telemetry data to a base station. The subscriber communication unit compri... | 12/06/2005 |
| 6959016 | Method and apparatus for adjusting the timing of signals over fine and coarse ranges A variable delay circuit is formed by a fine delay circuit and a coarse delay circuit. The fine delay circuit adjusts the delay of a delayed clock signal in relatively small phase increments with respect to an input clock signal. The coarse delay circuit adjusts the... | 10/25/2005 |
| 6944150 | Method and system for providing services in communications networks A method and system for providing services in communications networks. A gateway layer determines information about a communication session and responsively sends a signaling message to a session manager, providing the information. The session manager may then send ... | 09/13/2005 |
| 6882653 | Gateway system having controller and signal processor for interconnecting IP network and telephone network and method for controlling alternative routing at the time of fault of gateway system To detect network faults or congestion of traffic at an interface of a gateway system for connecting an IP network and a telephone network on the side of the IP network and to allow the IP network to control alternative routing at the telephone network, network faul... | 04/19/2005 |
| 6870860 | Semi-transparent time division multiplexer/demultiplexer A semi-transparent time division multiplexer/demultiplexer that transmits low rate tributaries from one location to another using a high rate aggregate connection, while preserving substantially all of the TOH and payload for each tributary signal. Transparency of t... | 03/22/2005 |
| 6870857 | Communication system for dedicated and switched communications The communication system comprising a dedicated processing system, a call processing system, and an interworking system. The dedicated processing system is configured to generate and transfer a first call setup message. The call processing system is configured to re... | 03/22/2005 |
| 6870854 | Packet switching device and cell transfer method Cells are discarded in conformity with the order of priority when congestion occurs by discarding cells of a traffic class without any special contract for a transfer rate at the time of setting up a connection. A node stores priority information concerning cell dis... | 03/22/2005 |
| 6865172 | Receiving method and receiver The invention relates to a receiving method and a receiver to be used in a cellular radio system. The received signal is FFT transformed and the spreading code of the receiver is FFT transformed in transform means (30). A transformed signal (36) and sp... | 03/08/2005 |
| 6865183 | F5-to-F4 OAM alarm notification and cell generation in multiple connection ATM switches A method of identifying a segment and end-to-end OAM flow VPC context table for one of a plurality of VCCs corresponding to the VPC. Each VCC has a context table. Each VCC context table has a pointer. The pointer contains the address of the context table for the seg... | 03/08/2005 |
| 6856624 | Temporary unique private address A communication network providing mobile IP services to mobile nodes sharing the same private IP address. A mobile node visits a foreign network from its home network and transmits a registration request including its private IP address to a foreign agent on the for... | 02/15/2005 |
| 6853641 | Method of protecting traffic in a mesh network Method and apparatus for protection of traffic in a mesh network are disclosed. A source node sends duplicate copies of data packets of the protected traffic on physically diverse paths through the network. The data packets include a sequence number for determining ... | 02/08/2005 |
| 6847643 | Scalable data network, and router for a scalable data network A network comprises routers, wherein at least some of the routers are configured to receive a number of datastreams and to output an aggregated datastream. Subject to the precondition that a limiting bit rate ri and a number of burst bits bi ca... | 01/25/2005 |
| 6847613 | Method of monitoring quality of communication for each flow A packet switch identifies a communication flow carried across an IP network, observes the communication flow, and acquires statistics data thereof, such as the number of packets that passed through the switch, the number of discarded packets, time at which the pack... | 01/25/2005 |
| 6847653 | Protocol for voice and data priority virtual channels in a wireless local area networking system The present invention is a communications protocol which provides for voice and data priority channels in order that both voice and data information have equal opportunity to transmit over a communications network. This is achieved by splitting the 25 millisecond FC... | 01/25/2005 |
| 6842439 | Free space optical terminal with ad hoc network back-up and associated methods A communication system includes a pair free space optical (FSO) terminals. The FSO terminals switch from a first operating mode to a second operating mode wherein the traffic is carried by an ad hoc network. The switching may be based upon a quality of service (QoS)... | 01/11/2005 |
| 6842445 | Retransmission method with soft combining in a telecommunications system An automatic repeat request mechanism (such as Type II/III hybrid ARQ) which includes (soft or hard) combining of initially transmitted and retransmitted versions of a packet, is provided for retransmission of erroneous packets. According to the present invention, i... | 01/11/2005 |
| 6842452 | Method for switching data streams A method of placing a first call to a designated number to retrieve a voice message over a packet switched network. The voice message is retrieved from a computer and a specific code is entered to prompt the computer to call an originator of the retrieved voice mess... | 01/11/2005 |
| 6839321 | Domain based congestion management The Domain-based Congestion Management method and apparatus detects and regulates congestion in a Diff-serv network. It use an improvRED method for congestion detection at the core routers and token bucket filters for traffic regulation at the ingress nodes. In addi... | 01/04/2005 |
| 6839349 | Mirroring in a stacked network switch configuration A method of mirroring data to a mirrored to port in a plurality of switches. The method has the steps of determining if data was sent to all of said plurality of switches; determining if said data was sent to a mirrored to port (MTP); and resending said data to all ... | 01/04/2005 |
| 6831929 | Multistage PN code aquisition circuit and method A circuit for detecting a serial signal comprises a first circuit (400) coupled to receive the serial signal (200) during a predetermined plurality of time periods of substantially equal duration. The first circuit is coupled to receive a first code ( | 12/14/2004 |
| 6829223 | Computer network physical-layer analysis method and system A method and system for computer network physical layer analysis is describe using signal analysis techniques and beginning with time-domain responses to yield highly quantitative analysis of the computer network's physical layer. Specifically, multiple transmission... | 12/07/2004 |
| 6826170 | Method for forming a data transfer connection, terminal equipment and a data transfer system The object of the invention is a method for controlling a data transfer connection, terminal equipment and a data transfer system wherein at least two subscriber stations are connected to one subscriber connection of the data transfer system. The invention can be pr... | 11/30/2004 |
| 6826198 | Signaling transport protocol extensions for load balancing and server pool support To achieve an improved support for introduction of server pools in packet networks and further to achieve transparency for applications the present invention provides a communication apparatus running a protocol stack implementation for interworking between a signal... | 11/30/2004 |
| 6822940 | Method and apparatus for adapting enforcement of network quality of service policies based on feedback about network conditions A method and apparatus for adaptively enforcing Quality of Service (QoS) policies for one or more flows of packets in a packet-switched network based on network feedback information. In one aspect, packets of a first group of flows are assigned to a first service le... | 11/23/2004 |
| 6822966 | Allocating buffers for data transmission in a network communication device A network communication device for directing data units over a communication network includes at least one input and/or output port arranged to receive and/or transmit data units, a plurality of buffer units divided into several sub-pools, and a buffer allocator for... | 11/23/2004 |
| 6817090 | Truss fabrication method and apparatus A truss assembly apparatus and a method for assembling a truss utilizing the apparatus, the apparatus comprising a truss table having a work surface divided into a first and second assembly zone. The apparatus further includes first and second clamping assemblies fo... | 11/16/2004 |
| 6819678 | Interworking of dissimilar packet networks for telephony communications An Interworking Gateway enabled to provide continuous conversion of Protocol Data Units (PDUs) of any one of a provisioned set of transport protocols to any other member of the set is disclosed. Each transport protocol is associated with at least one transport proto... | 11/16/2004 |
| 6819662 | Method for protecting a telecommunications network A method of connecting a telecommunications network, in which the network is formed of plural nodes connected by plural spans. Each node has a nodal switching device for making connections between adjacent spans meeting at the node. Method steps A-F are followed. A)... | 11/16/2004 |
| 6819683 | Communications system and associated deskewing and word framing methods A communications system includes N parallel communications channels connecting first and second devices. The N channels may include N−1 channels for carrying information symbols, and an Nth channel for facilitating deskewing and word framing. The first device may ... | 11/16/2004 |
| 6819673 | Method and system for establishing SNA sessions over wide area networks A method and system for establishing a Systems Network Architecture (SNA) session between SNA resources through a packet/cell switching network. The packet/cell switching network includes an origin access node that provides client access services, and at least one d... | 11/16/2004 |
| 6816492 | Resequencing packets at output ports without errors using packet timestamps and timestamp floors Methods and apparatus are disclosed for propagating timestamp floors throughout a packet switching system and using the timestamp floors received at a first component of the packet switching system to determine when a packet may be sent from a packet switching syste... | 11/09/2004 |
| 6813265 | Method and system for controlling the order of departure of temporarily stored information or objects A system for determining an order of service of temporarily stored objects, at least one priority flag being attached to certain objects, includes a set of storage units disposed in a matrix organized into C subsets of elements, where C is the number of objects stor... | 11/02/2004 |
| 6813274 | Network switch and method for data switching using a crossbar switch fabric with output port groups operating concurrently and independently A network switch and a method for data switching using a crossbar switch fabric with output port groups operating concurrently and independently that increases throughput and reduces scheduling complexity. The network switch includes a crossbar switch fabric, plural... | 11/02/2004 |
| 6813241 | Network architecture and method of providing link protection in a bidirectional data traffic network A network architecture for use in a data traffic network that includes a plurality of nodes and a plurality of data links coupling the nodes. The network architecture includes a working data link(220) that forms a signal pathway between a first router (200... | 11/02/2004 |
| 6810045 | Method and device for processing data packets which have been received or are to be transmitted on a data channel The invention relates to a way of implementing the so-called “late” check according to IEC 61883 in a link layer IC for the IEEE 1394 Serial Bus in a way which is favourable in terms of expenditure. According to the invention, a specific time model is used which... | 10/26/2004 |
| 6807174 | Method and apparatus for transporting DS-X signals through a packet network A method and apparatus for efficiently transporting DS-X traffic in packet form over an ATM or other packet network. Specifically, virtual connection or slot provisioning and/or cell concentration techniques are used to compact the amount of DS-X traffic broadcast b... | 10/19/2004 |
