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Method and apparatus for performing speaker verification based on speaker
independent recognition of commands
A method and apparatus for performing speaker verification with speaker verification templates are disclosed. A verification unit receives an utterance from a...
Method and system for sharing over-allocated bandwidth between different
classes of service in a wireless network
A method and system for sharing over-allocated bandwidth between different classes of service in a wireless network. Traffic is transmitted for a first service...
Communication system with floating call anchor
A floating call anchor is used to improve the efficiency of utilization of wireless and backhaul resources in cellular communication systems. For conditions...
Autoprotected optical communication ring network
An autoprotected optical communication ring network is disclosed. The ring network includes two optical carriers that are arranged for bidirectional ...
Distributed network repeater system
A repeater, useable for connecting switches in a data communication network, is provided in a distributed and/or modular fashion. The repeater includes a...
System and method for stereo conferencing over low-bandwidth links
Systems and methods are disclosed for packet voice conferencing. An encoding system accepts two sound field signals, representing the same sound field sampled at...
OFDM interference cancellation based on training symbol interference
Systems and methods for optimally combining signals from multiple antennas to ameliorate the effects of noise and/or interference on OFDM communications are...
Switching fabric for interfacing a host processor and a plurality of
An information transport system includes a switching fabric that transfers information between network modules and between a host processor and the network...
Transmission of digitized voice, voiceband data, and phone signaling over a
priority-based local area network...
A method and apparatus for transmitting voice, voiceband data and phone signaling is described. Analog voice, voiceband data and phone signaling are converted...
High performance protocol for an interconnect system of an intermediate
An interconnect protocol enables encoding of packets for transmission over an interconnect system used to couple a plurality of line cards to at least one...
Efficient method for collecting statistics via a half-duplex serial bus
A system controller on a half-duplex communication bus architecture gathers statistical data from at least one line card. The line card automatically collects...
Hop by hop quality of service measurement system
Loopback interfaces are put into routers in a packet switched network. When an end to end Quality of Service (QoS) path is not performing adequately, the delay...
Path AIS insertion for concatenated payloads across multiple processors
In a data transmission network, such as SONET, a method and apparatus for the generation of a path Alarm Insertion Signal (AIS) at the output of each of a number...
Technique for collecting operating information from network elements, and
for controlling network element...
A feedback-based adaptive network is described wherein at least a portion of the network elements report operating information relating to network conditions to...
Selective backpressure control for multistage switches
A method and apparatus for applying selective backpressure to control a multi-stage interconnection network (MIN). At one or more stages in the MIN, local...
SONET ring map generation method and system
A method for generating a ring map for a bi-directional line switched ring. The method includes identifying a change in a provisioned bi-directional line...
System and method for maintaining a communication session over gatekeeper
The present invention provides a method for maintaining a communication session between telephony devices, which includes establishing a first TCP/IP signaling...
Method for routing information over a network employing centralized control
A method and apparatus for centralized control of a network is described. The network includes a number of nodes. The method includes creating a database and...
Techniques for maintaining compatibility of a software core module and an
Techniques for maintaining version compatibility between a first module and one or more interacting modules that interact with the first module through an...
Method and apparatus for mapping prefixes and values of a hierarchical
space to other representations
Methods and apparatus are disclosed for mapping prefixes and/or values of a hierarchical space to other representations while maintaining the original hierarchy,...
Methods and apparatus for routing requests in a network
A system and method of routing requests received from client computers. The client computer processor is redirected to a router for which the address is within...
Load balancing using distributed forwarding agents with application based
feedback for different virtual machines
A system and method are described for selecting a server to handle a connection. The method includes receiving at a service manager a connection request...
Method and apparatus for providing a distributed service in a network
A method and apparatus for providing a distributed service at a router within a network are disclosed. A first router executes a distributed service on a first...
Array beamforming with wide nulls
A method and implementation of wireless communication are disclosed in which wireless signals are exchanged between at least one remote client and a directional...
Fault tolerant telephony control
An agent workstation in a computer-telephony system is controlled to provide a fault tolerance technique. A telephony device driver in the workstation is...
Method for recursive BGP route updates in MPLS networks
A method for providing BGP route updates in an MPLS network is disclosed. The route update is performed at a router having a forwarding information table...
Method for high speed packet classification
The present invention allows for processing classification and/or security filtering rules by using bitmaps as representations. In one instance, the packet...
Distribution of packets in a wireless communication system using multicast
A communications system includes base transceiver stations providing wireless services for mobile units. The system further includes a packet network coupling...
Method and apparatus to provide inline encryption and decryption for a
wireless station via data streaming over...
A method of wirelessly transmitting or receiving a packet of information, and an apparatus to wirelessly transmit or receive a packet of information. In the case...
Bandwidth conserving near-end picture-in-picture video applications
A method, system and article of manufacturer is provided to improve the quality of service and image display in videotelephony systems by combining digital...
Method and apparatus providing improved statistics collection for high
bandwidth interfaces supporting multiple...
An apparatus and method that provides improved statistics collection for high bandwidth interfaces supporting multiple connections. Statistics are counted for a...
System and method for qualifying requests in a network
An information service provider network includes a content gateway to process requests for information from a client terminal. The content gateway includes a...
Method and system for mapping a network for system security
A method and system for mapping a network domain provides a centralized repository for network information to support network devices, including an intrusion...
System and method for reduced codebook vector quantization
The present invention extends the generalized Lloyd algorithm (GLA) for vector quantizer (VQ) codebook improvement and codebook design to a new ...
Universal protocol conversion
A scalable, programmable software based application run on a programmed general-purpose digital computer is used for interconnecting a plurality of heterogeneous...
Method and apparatus for providing programmable memory functions for
bi-directional traffic in a switch platform
A method and apparatus for providing programmable memory functions for bi-directional cell traffic in a switch platform are provided, wherein a parameterized...
In-building code division multiple access wireless system and method
A wireless office communication system including a wireless internet base station (WIBS) encompassing a base station controller, a mobile switch controller, and...
Method and system for managing remote resources in a telecommunications
A resource management station for a distributed system includes a managed resources store operable to store for each of a plurality of remote managed resources a...
Method and apparatus for using barrier phases to limit packet disorder in a
packet switching system
Methods and apparatus are disclosed for using barrier phases to limit the disorder of packets which may be used in a computer or communications system. In one...
Bandwidth allocation for ATM available bit rate service
An ATM switch, and method for operating such a switch, are disclosed. In one embodiment, the switch detects ABR VCs that are likely bottlenecked elsewhere in...
Method for providing single step log-on access to a differentiated computer
A method for providing single step log-on access for a subscriber to a computer network. The computer network is differentiated into public and private areas....
MPEG file format optimization for streaming
MPEG data is packetized and streamed using a two phase procedure. First, the system parses MPEG data and reformats it into RTP sized packets in preparation for...
Packet striping across a parallel header processor
A technique is provided for striping packets across pipelines of a processing engine within a network switch. The processing engine comprises a plurality of...
Configurable basic rate interface
A network device with a configurable interface. The device has at least two communication ports. An interface in communication with the ports is configurable as...
Method and apparatus for transmitting data in a public network
A method and apparatus are described for transmitting data in a network between first and second single-line digital subscriber line (SDSL) modems using a...
Split access point
A split access point is disclosed in which an access point controller is provided for management functions of a plurality of wireless clients on a network and...
Method and system for protecting a network interface
A method and system for protecting data transfers between a switch and physical network ports transfers data from a master network interface to a slave network...
Method and apparatus for testing synchronization circuitry
A test circuit receives a reference signal having a reference frequency and generates a synchronizer input signal having a synchronizer input frequency for...
Method and apparatus for optimizing prefetching based on memory addresses
Address based prefetch logic varies prefetching according to address values in read requests. The address based prefetch logic can vary how much data is...
Voice over IP optimization for mobile IP
An invention is disclosed that includes a Foreign Agent that supports Mobile IP and is configured to enable a node visiting the Foreign Agent to send IP packets...