Sign up


Match Document Document Title
7903579 Self-optimization and self-healing of voice quality problems utilizing service oriented architecture  
A method and system for automatically resolving a voice transmission problem in real time in a communication system. Service oriented architecture (SOA)-based reporter services report voice...
7903540 Method and device for synchronization in wireless networks  
A method and device are provided for synchronizing data transmission of multicasting/broadcasting services (MBS) by a plurality of Base Stations. The method disclosed includes providing...
7903541 Ethernet switch with configurable alarms  
According to one embodiment, an Ethernet switch includes a plurality of ports operable to receive and transmit Ethernet traffic. The Ethernet switch also includes system monitoring software...
7903539 Electronic control unit  
An electronic control unit includes an input interface having multiplexer circuits, each of which circuits is supplied with input signals supplied from an outside of the electronic control unit,...
7903564 Method and apparatus for increasing survivability in IP networks  
A method and apparatus for increasing the capability of a network topology model having a plurality of nodes connected by existing links to maintain service continuity in the presence of faults....
7903542 Path changeover method and device  
Path changeover method and device are provide in which a communication interruption time caused by occurrence of a transmission failure is shortened. On a frame receiving side, address information...
7899027 Automatic route configuration in hierarchical wireless mesh networks  
Methods, apparatuses and systems directed to routing configuration in a hierarchical wireless mesh network. In one implementation, the present invention uses neighbor messages to allow routing...
7898938 Transmitting apparatus and transmitting method  
A transmitting apparatus obtains cross-connect information on an input side and an output side, reserves the information as a cross-connect for management shift, adds object information formed of...
7898937 Voting to establish a new network master device after a network failover  
Embodiments of the invention can resolve conflicts between candidate master network devices such as may be encountered in a failover condition. In a common type of failover protocol, two or more...
7898940 System and method to mitigate physical cable damage  
Method, system and computer-readable medium for handling a dig ticket to mitigate physical cable damage are disclosed. In accordance with the method, a network alarm indicating a logical circuit is...
7898939 Scalable and robust mechanism for remote IP device monitoring with changing IP address assignment  
A method is provided for monitoring devices with changing IP addresses. SNMP trap is received from a device at a first IP address to notify that a connection is up, and a SNMP poll is transmitted...
7894335 Redundant routing capabilities for a network node cluster  
Graceful/hitless restart features from a routing/signaling protocol may be utilized along with synchronization between cluster members in order to provide routing capabilities in a clustering...
7894333 Method and apparatus for use in carrier recovery in a communications system  
A receiver includes a digital phase locked loop (PLL) for performing carrier recovery. The digital PLL further includes a phase error estimator driven by hard decisions and an integrator, which...
7894509 Method and system for functional redundancy based quality of service  
Certain embodiments of the present invention provide for a system and method for preserving bandwidth in data networks. The method includes determining whether to perform functional redundancy...
7894091 Communication apparatus and control method  
An apparatus is capable of executing a facsimile communication using an Error Correction Mode (ECM) function based on a facsimile procedure with a communication partner connected via an Internet...
7889636 System and method for implementing a mid-call policy in a RSVP environment  
A communication system includes a call agent that coordinates and supervises communications between endpoints. The call agent allocates a QoS agent for each endpoint involved in a call. The QoS...
7889654 Loss tolerant transmission control protocol  
Provided are apparatuses and methods for transmitting or receiving data packets in a data block in a communication network with a transport protocol. In one example, a loss tolerant TCP protocol is...
7889637 Redundancy in voice and data communications system  
Apparatus is used in communicating in a data and voice communication system. The apparatus includes a line card and a crosspoint switch in communication with the line card. The apparatus also...
7890618 Method and system for provisioning and maintaining a circuit in a data network  
A method and system are provided for provisioning a circuit in a data network without manual intervention. A network management module receives an order for provisioning the circuit and then, based...
7885262 Method and an apparatus for resource admission control process  
A method for resource admission control process, an Access-Resource and Admission Control Function entity and a Service-based Policy Decision Function entity, wherein the method includes: sending...
7885179 Method and apparatus for constructing a repair path around a non-available component in a data communications network  
A method of constructing a repair path around a non-available component in a data communications network is described. The data communications network has, as components, nodes and links...
7881183 Recovery from control plane failures in the LDP signalling protocol  
The invention provides a distributed back-up mechanism and a two-step method for facilitating fast control plane recovery in a switched network. In a preferred embodiment, a Label Information...
7881184 Reverse notification tree for data networks  
Recovery time upon the failure of a link or switching system in an asynchronous data network can be minimized if downstream data switches provide upstream messages indicating to upstream switching...
7882224 Method and system for automatic network connection establishment in case of network address renewal  
A method and system for maintaining a connection in a communication network is provided. One implementation involves activating a first network interface for obtaining a first network address for...
7881185 Switch failover for aggregated data communication links  
A network device includes a first plurality of ports and a first plurality of communication links. Each port of the first plurality of ports communicates with a corresponding communication link of...
7877654 Selectable JTAG or trace access with data store and output  
An addressable interface selectively enables JTAG TAP domain operations or Trace domain operations within an IC. After being enabled, the TAP receives TMS and TDI input from a single data pin....
7872964 File transmission terminal  
A file transmission technique that does not make retransmission control complex even in a case in which a transmission error occurs is provided. A communication terminal executes a transmission job...
7869348 Determining rerouting information for single-link failure recovery in an Internet protocol network  
For a survivable portion of a network, a backup port for a first router of the survivable network, to reach a destination node in the event of a single link failure, may be determined by (a)...
7869343 Field programmable gate array architectures and methods for supporting forward error correction  
A field-programmable gate array (“FPGA”) or programmable logic device (“PLD”) includes relatively general-purpose PLD core circuitry and relatively specialized high-speed serial interface (“HSSI”...
7869438 Pre-authentication across an 802.11 layer-3 IP network  
A method for pre-authentication in a wireless network is disclosed. The method begins by receiving, from a mobile client device, an Ethernet pre-authentication frame having an Ethernet address...
7869346 Methods and apparatus for cluster licensing in wireless switch architecture  
Wireless switch licenses are assigned on a cluster basis rather than being limited to individual switches. A switch cluster is made up of two or more wireless switches that each having an assigned...
7869375 Method for predicting a fault in a security system  
A method for predicting a fault in a wireless communication path between at least one transmitter and a receiver. The method comprises detecting an initial value of a characteristic of a reception...
7869433 Home network connection management system using UPnP and VLAN multicast  
Provided is a home network connection management system using UPnP (Universal Plug and Play) and VLAN (Virtual LAN) multicast. The home network connection management system includes a UPnP-VLAN...
7869344 1+N network protection for mesh networks: network coding-based protection using P-cycles and protection paths  
A method and system for providing protection of multiple communication sessions using the bandwidth resources on the order of those required to protect a single communication session. This is...
7864665 Methods and systems for detecting IP route failure and for dynamically re-routing VoIP sessions in response to failure  
Methods and systems for detecting IP route failure using a request-reply protocol, such as address resolution protocol (ARP), and for dynamically re-routing VoIP sessions in a VoIP device in...
7864687 Methods and apparatus for fault identification in border gateway protocol networks  
Systems and techniques for fault analysis in a data communication system. A fault analysis console in a provider network serving one or more customer networks responds to a reported loss of...
7864666 Communication control apparatus, method and program thereof  
A communication apparatus communicably connects a network of a plurality of apparatuses and a data relay apparatus to another network of the same manner as that of the network by detecting a...
7864688 Communication system, method of providing information therein and communication device  
A communication system for a plurality of devices performing communications through a network is provided. The communication system includes a transmitter/receiver, a reception status detector, and...
7864789 Signaling methods for telecommunicaton system for exchanging frames over ethernet interfaces and devices for implementing such methods  
A platform is connected over a synchronous network using a GFP encapsulation scheme to a provider device having a first Ethernet interface with a customer device, said platform being arranged for...
7859992 Router redundancy in data communication networks  
A method of providing router redundancy within a distributed network of routers, wherein messages are routed within the network based on virtual router identifiers, involves organizing the routers...
7859994 Method and apparatus to switch data flows using parallel switch fabrics  
A low-cost, high-speed data switching system and method uses several parallel switching systems or fabrics. In one of various embodiments, for example, the constituent data flows in a data stream...
7860087 Distinguishing between protocol packets in a wireless communication system  
The present invention is directed to distinguishing between protocol packets in a wireless communication system. A transmitting side receives an IP packet comprising a User Datagram Protocol (UDP)...
7860491 System and methods for on-demand document provisioning using ad hoc networking  
A method of providing data content obtained from one or more network-connected nodes to a mobile computing device is provided. The method includes determining whether a previously-established...
7855949 Method and apparatus for bundling signaling messages for scaling communication networks  
Method and apparatus for bundling signaling messages to provide better circuit connection performance and scalability in circuit restoration during a network failure of communication networks.
7855950 Congruent forwarding paths for unicast and multicast traffic  
A mechanism that provides congruent forwarding paths for unicast and multicast data traffic over a service provider core network includes issuing, by a receiver edge node, a request to join a...
7855951 Signal transmission scheme for efficient management of common enhanced dedicated channel  
A signal transmission scheme for efficient management of a common E-DCH is provided. In the case of a common E-DCH that a UE in an idle mode or in a CELL_FACH status uses within a limited period of...
7852974 Plural circuit selection using role reversing control inputs  
Data is communicated through two separate circuits or circuit groups, each having clock and mode inputs, by sequentially reversing the role of the clock and mode inputs. The data communication...
7852747 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Method and apparatus for constructing a repair path around a non-available component in a data communications network
 
A method of constructing a repair path around a non-available component in a data communications network having, as components, nodes having a network address and links there between comprises the...
7848642 Method and apparatus for capacity-efficient restoration in an optical communication system  
A method and system provide capacity-efficient restoration within an optical fiber communication system. The system includes a plurality of nodes each interconnected by optical fibers. Each optical...
7848225 Service protecting switching method, system and device in a connectionless network  
A method for service protection switching in a connectionless network is provided. The method includes detecting if there is any failure which may have occurred on the respective path in the...