| Patent Number |
Title Of Patent |
Date Issued |
| RE40826 |
ATM over MPLS connection establishment mechanism |
July 7, 2009 |
| Methods and apparatus for establishing connections between network nodes across an MPLS domain. A data receive node transmits to a data transmit node the service label that the data receive node expects to receive embedded in packets originating from the data transmit node. Any packet |
| RE40467 |
Method and apparatus for managing the flow of data within a switching device |
August 26, 2008 |
| A method and apparatus for managing the flow of data within a switching device is provided. The switching device includes network interface cards connected to a common backplane. Each interface card is configured to support the maximum transfer rate of the backplane by maintaining a |
| RE40398 |
ATM telecommunications systems and method for routing narrow band traffic |
June 24, 2008 |
| A telecommunications system comprises an asynchronous transfer mode (ATM) network having uncommitted bandwidth, and a plurality of adaptive grooming routers (AGR) coupled to the network. The AGRs comprise a group adapted to function as a virtual transit exchange whose fabric and cont |
| RE39878 |
Method and apparatus for network initiated parameter updating |
October 9, 2007 |
| Disclosed is an apparatus for initiating an over the air parameter administration (OTAPA) of a mobile station without the need for interacting with a mobile station user. A unique service option number included with the initial page indicates to the mobile station that an update is b |
| RE38620 |
Optical multiplexer/demultiplexer |
October 12, 2004 |
| A monolithic version of optical multiplexer/demultiplexer with an improved spectral characteristics is provided by two diffraction gratings arranged optically in tandem and with a field stop in the coupling between them, the gratings also being arranged to provide free spectral ranges di |
| RE37301 |
Multiple access protocol |
July 31, 2001 |
| The mobile station to base station access in a cellular radio system is a classical problem of random multiple access using a shared common channel. Many multiple access protocols have been invented in the past with varied degrees of success in improving the throughput of the multiple ac |
| D588573 |
Telephone |
March 17, 2009 |
|
| D564455 |
Circuit pack |
March 18, 2008 |
|
| D523438 |
Optical network element panel |
June 20, 2006 |
|
| D490803 |
Communications cabinet |
June 1, 2004 |
|
| D475041 |
Communication cabinet |
May 27, 2003 |
|
| D465215 |
Indoor communications cabinet |
November 5, 2002 |
|
| D464956 |
Outdoor communications panel |
October 29, 2002 |
|
| D464643 |
Outdoor communications cabinet |
October 22, 2002 |
|
| D464043 |
Indoor communications panel |
October 8, 2002 |
|
| D460753 |
Integrated communication access device |
July 23, 2002 |
|
| D456241 |
Cable guide |
April 30, 2002 |
|
| D454548 |
Bulging element on printed circuit board |
March 19, 2002 |
|
| D437302 |
Outer periphery of a telephone base |
February 6, 2001 |
|
| 7620712 |
Availability measurement in networks |
November 17, 2009 |
| Mechanisms for measuring network availability are described. A first network element produces a first knowledge digest encoding the first set of forwarding policy indicators associated with a set of packets into a fixed length bit array. The first network element periodically sends p |
| 7620390 |
Establishing a call session during an advertisement time period |
November 17, 2009 |
| To communicate between terminal devices, a time period of overlap between a first time slot of first advertisement content provided to a first terminal device and a second time slot of second advertisement content provided to a second terminal device is determined. An indication is sent |
| 7620322 |
Load sharing nodes in a network utilising shared optical protection |
November 17, 2009 |
| A method of transmitting packet traffic between first and second network nodes in a shared protection optical transmission network, the method comprising defining first and second traffic paths between said nodes, at least one of said paths being a shared protection path, and allocating |
| 7620019 |
Space division multiple access scheduling |
November 17, 2009 |
| Space division multiple access scheduling for a transmitter having an antenna array with multiple beams includes determining, and storing at the transmitter, angles of arrival of signals and identifiers from user equipments, such as cellular telephones. The user equipment identifiers |
| 7619995 |
Transcoders and mixers for voice-over-IP conferencing |
November 17, 2009 |
| Transcoders and mixers having reduced algorithmic delay and processing complexity. An improved mixer for signals having encoded speech parameters wherein the parameters obtained through decoding are used by a parameter estimator to improve the encoding by providing a parameter estima |
| 7619994 |
Adapter for use with a tandem-free conference bridge |
November 17, 2009 |
| A conference bridge adapter for processing data carried on a media path between, on the one hand, a conference bridge operative to communicate composite packets carrying media information and auxiliary information pertaining to the media information and, on the other hand, an endpoint |
| 7619468 |
Doherty amplifier with drain bias supply modulation |
November 17, 2009 |
| An enhanced Doherty-configured amplifier that features separate and independent bias voltage sources for the main and auxiliary amplifiers. The bias voltage sources may be controllable and variable to alter the performance of the amplifier according to the input signal or system requ |
| 7617302 |
Communication networks |
November 10, 2009 |
| A communications network comprises a plurality of ports modelled according to a layer protocol, and a network management system adapted to store information describing the physical and logical resources within the network, wherein the network management system is responsive to inform |
| 7617298 |
Session initiation protocol enabled set-top device |
November 10, 2009 |
| A method and apparatus for handling subscriber services from different sources without requiring interaction with different devices. The present invention also provides a method and apparatus for receiving multimedia services using session initiation protocol (SIP) messages received from |
| 7616636 |
Method and device for receiving data blocks |
November 10, 2009 |
| Data blocks to be received each comprise a header and a data field including respectively first and second codes for error detection. The decoding of a signal segment received having first and second portions corresponding respectively to the header and to the data field of a block g |
| 7613824 |
Method of using a web-browser to pass information from a first web-entity to one of a plurality |
November 3, 2009 |
| When a user obtains information from a web-based information system this is usually being obtained for a task which then needs to be completed by the user. Often this task involves sending the information onto another device. For example, in the case that the web-based information system |
| 7613289 |
Application based queuing via an H.323/SIP interface |
November 3, 2009 |
| The present invention provides a telephony-accessed application system for providing a service, such as voicemail, in accordance with a switching interface such as in the ITU-T H.323 or IETF SIP recommendation. Queuing functionality is made possible in a system which employs a switch whi |
| 7613268 |
Method and apparatus for designing a PLL |
November 3, 2009 |
| A method and apparatus for designing a PLL enables initial component characteristics and design specifications of the PLL to be specified. Time constants for a loop filter that would be required to create a PLL having the desired design specifications and component characteristics ar |
| 7613179 |
Technique for tracing source addresses of packets |
November 3, 2009 |
| A technique for tracing source addresses of packets is provided. In one particular exemplary embodiment, the technique may be realized by/as a method for tracing source addresses of packets. The method comprises identifying at least part of a source address of a packet and determining |
| 7612975 |
Lightning protection |
November 3, 2009 |
| A power supply line for powering electronic equipment from a power supply remote from the electronic equipment, having a balanced differential power transmission path 31 connecting the power supply 32 to the electronic equipment 13 and at least one isolating transformer 33, 34 in the |
| 7610360 |
Transient tolerant verification of communications paths between devices |
October 27, 2009 |
| A first device generates a first knowledge digest encoding first configuration information associated with current communications information related to a second device. The first device also generates a second knowledge digest encoding second configuration information associated wit |
| 7610332 |
Overlay networks |
October 27, 2009 |
| An overlay network includes a virtual content server for representing a content provider in a virtual content network and at least a client having a membership in the virtual content network and a content path between the virtual content server and the client. Each node in the conten |
| 7609968 |
Secure analog communication system using time and wavelength scrambling |
October 27, 2009 |
| Described are a secure communications system and method for transmitting analog signals. The secure communications system includes an analog multiplexer, an analog demultiplexer, a plurality of analog communications channels each at a different wavelength, and a pair of sequence logi |
| 7609671 |
Multi-user scheduling for optimizing transmission of delay sensitive traffic |
October 27, 2009 |
| A method, apparatus, and computer usable program code for creating a pseudo user from a plurality of users. Packets from the buffers are combined for the plurality of users into a buffer for the pseudo user. A multi-user packet is formed using packets from the pseudo user buffer, whe |
| 7606498 |
Carrier recovery in a coherent optical receiver |
October 20, 2009 |
| A method of carrier recovery from a high speed optical signal received through an optical communications network. A stream of multi-bit digital samples of the optical signal is processed to generate a multi-bit estimate X'(n) of each one of a plurality of transmitted symbols. A phase |
| 7606487 |
Distortion measurement in optical communication systems |
October 20, 2009 |
| The distortion component of an optical signal received from an optical transmission system, such as an all-optical system, subject to noise and amplitude distortion components, can be evaluated by a method that utilises information derived from analysing the bit error ratio (BER) of |
| 7606262 |
Universal edge node |
October 20, 2009 |
| A universal electronic switching node serves as an edge node in a high-capacity network with an optical core. The universal edge node may handle a variety of traffic classes and may control traffic admission, connection definition, connection routing and core node configuration. The |
| 7606181 |
Apparatus, method, and computer program for processing audio information of a communication sess |
October 20, 2009 |
| An apparatus, method, and computer program process audio information in a communication system. The apparatus, method, and computer program identify one or more silent channels of a communication session. The apparatus, method, and computer program also mix audio information from two |
| 7606146 |
Method and apparatus for implementing a policy-based management system on a network device |
October 20, 2009 |
| Resources, such as bandwidth, are allocated on a network as follows. A request for reservation of network resources is received. The reservation includes a destination address on the network. Resources on network devices on a path to the destination address are allocated to accommodate |
| 7603463 |
Method and apparatus for allocating processing capacity of system processing units in an extrane |
October 13, 2009 |
| The expected processing bandwidth of System Processing Units (SPUs) in an extranet gateway is first assessed, for example by multiplying a CPU processor speed by a conversion factor or determining the type of accelerator, and then adjusting the capacity to take into account other pro |
| 7603411 |
Presence management system |
October 13, 2009 |
| A presence management system is described whereby connections between watching parties and watched parties in a multiple access communications network are managed. When the presence management system receives a contact request from a watching party it determines whether the required |
| 7602771 |
Two-dimensional circulating switch |
October 13, 2009 |
| A one-dimensional circulating switch may be defined by connections between several switch modules and one or more temporal cyclic rotators. Where a switch module that is part of a first one-dimensional circulating switch is also connected one or more temporal cyclic rotators that define |
| 7602722 |
Mobile assisted fast scheduling for the reverse link |
October 13, 2009 |
| A wireless communication network is able to perform fast reverse link scheduling by providing data to a user terminal to enable it to select parameters that a base station is to use when scheduling a reverse link transmission. The user terminal that is in hand-off and is communicating |
| 7602244 |
Power amplifier bias synchronization |
October 13, 2009 |
| A power amplifier system includes a nonlinear power amplifier that receives a predistorted input signal. A receiver receives an output signal from the power amplifier and provides an observed signal. A bias controller provides a delayed dynamic bias signal to the power amplifier wher |
| 7599625 |
Method of initializing optical communication links |
October 6, 2009 |
| A method of initializing an optical communication link between nodes. Optical transmitters adapted to pre-compensate link impairments based upon an optical compensation parameters are utilized to establish an optical communications link. Pre-compensation parameter values are selected |
| 7599620 |
Communications network for a metropolitan area |
October 6, 2009 |
| A communications network for a metropolitan area is disclosed. The network is comprised of three basic types of nodes: an access multiplexer, a photonic switch, and a core node. The access multiplexer provides multiplexing of data packets from end-users onto at least one sparse wavel |
