| Patent Number |
Title Of Patent |
Date Issued |
| 7010225 |
Technique for interchanging wavelengths in a multi-wavelength system |
March 7, 2006 |
| A technique for interchanging wavelengths in a multi-wavelength system having W wavelength channels is disclosed. In one embodiment, the technique is realized by selectively directing a pair of adjacent frequency channels corresponding to a respective pair of adjacent wavelength chan |
| 7010210 |
Entry and internal fiber clips for a fiber management system |
March 7, 2006 |
| Described is a fiber management system having an internal fiber clip for segregating fiber optic cables in the enclosure and an entry fiber clip for guiding fiber optic cables bundled by the internal fiber clip to a telecommunications system external to the enclosure. The internal fiber |
| 7009990 |
Methods and systems for a telephone e-mail interface |
March 7, 2006 |
| Disclosed is a method of and apparatus for converting address and message input, obtained from a telephone type terminal, at a service provider, to a format whereby the service provider may attach the voice message to an e-mail directed to an internet addressee. |
| 7009978 |
Communications interface for providing a plurality of communication channels to a single port on |
March 7, 2006 |
| A communications interface on a data path between a plurality of data channels and a single communications port on a processor. The communications interface controls data as it passes on a receive path from the plurality of data channels to the single communications port and on a tra |
| 7009964 |
Rotator switch data path structures |
March 7, 2006 |
| Several rotator switch architectures are provided that enhance performance of a basic rotator switch. The rotator switches having double buffered tandem nodes, multiplexing two or more sources onto each tandem node, partitioning the rotator into two or more parallel space switches, two o |
| 7009931 |
Synchronization in a multiple-input/multiple-output (MIMO) orthogonal frequency division multipl |
March 7, 2006 |
| Methods and apparatus are described for time synchronizing a receiver to orthogonal frequency division multiplexing (OFDM) signals in a multiple-input/multiple-output (MIMO) system, the signals being transmitted from multiple transmitters and received at multiple receivers. The metho |
| 7007098 |
Methods of controlling video signals in a video conference |
February 28, 2006 |
| A method of controlling video signals in a multi-participant video conference involves assessing the level of video signal required from each participant to mix the desired broadcast video signals, and using the result of this assessment to dynamically control the video output from t |
| 7006617 |
Method of improving conferencing in telephony |
February 28, 2006 |
| A conferencing method not requiring additional or dedicated hardware in a processor controlled telephone terminal, nor requiring an external conference bridge, is provided by one of the terminals designating the conference, processing signals from two other conferees and delaying only |
| 7006478 |
Communicating over one or more paths in an interface between a base station and a system control |
February 28, 2006 |
| A mobile communications network includes base stations and a system controller, such as a serving GPRS support node (SGSN) of a General Packet Radio Service network. An interface, such as a Gb interface, is provided between each base station and the system controller. A plurality of |
| 7006456 |
Method and apparatus for packet-based media communication |
February 28, 2006 |
| A conference bridge is provided for managing a conference between media signal sources generating media data packets conveying encoded media information and encoding type information. The media signal sources, in order to enter a conference, generate link messages including respective |
| 7002986 |
Mapping arbitrary signals into SONET |
February 21, 2006 |
| A synchronizer/de-synchronizer maps continuous format signals of an arbitrary rate into frames of pre-selected single common rate, such as SONET frames, with no bits changed and very little jitter or wander added. In this way, the continuous format signal may be carried transparently |
| 7002322 |
Modulated power supply |
February 21, 2006 |
| A modulated power supply comprises first and second coding units. The second coding unit is responsive to a feed-forward error signal representing the error between the coded output of the first coding unit and an input modulating signal. The second coding unit codes for the more lim |
| 7000014 |
Monitoring a virtual private network |
February 14, 2006 |
| Managing a virtual private network includes receiving information describing at least one virtual private network attribute from multiple computers providing at least one virtual private network function, preparing a report by organizing the received information into a table that lis |
| 6999682 |
Technique for optically converting wavelengths in a multi-wavelength system |
February 14, 2006 |
| A technique for optically converting wavelengths in a multi-wavelength system is disclosed. In one embodiment, wherein the multi-wavelength system has W wavelength channels, wherein W=2.sup.N, the technique is realized by selectively directing a received frequency channel correspondi |
| 6999677 |
Protection switching arrangement for an optical switching system |
February 14, 2006 |
| A protection arrangement for an optical switching system includes protection switching for switch planes in the optical core and for ports in the tributary cards. For a multiple layer switch core protection is also provided between layers. A first layer is for switching optical chann |
| 6999564 |
System and method for telephonic switching and signaling based on voice recognition |
February 14, 2006 |
| Accordingly, there is provided, a method of connecting users of a telecommunications system, the method comprising, receiving a call, playing a prompt in response to the call, receiving voice data, processing voice data to extract keyword information from the voice data, determining |
| 6999470 |
Methods and apparatus for transmitting synchronous data |
February 14, 2006 |
| In order to allow geographically separate SONET/SDH networks to be interconnected transparently without changes in clock content, payload and overhead, it has conventionally necessary to use dark fiber. For relatively low bandwidth operators this is prohibitively expensive. The prese |
| 6996677 |
Method and apparatus for protecting memory stacks |
February 7, 2006 |
| Method and apparatus for protecting processing elements from buffer overflow attacks are provided. The apparatus includes a memory stack for, upon execution of a jump to subroutine, storing a return address in a first location in a stack memory. A second location separate from the st |
| 6996559 |
IP address resolution methods and apparatus |
February 7, 2006 |
| The expanding IP data networks require address resolution mechanisms that are fast and able to handle a vast number of addresses. Novel fast address resolution mechanisms with a large address directory are described. The address resolution mechanisms make use of a compound indexing-s |
| 6996514 |
Time simulation techniques to determine network availability |
February 7, 2006 |
| A time simulation technique for determining the service availability (or unavailability) of end-to-end network connections (or paths) between source and sink nodes is disclosed. The failure could be either a single failure mode or a multiple failure mode. The time simulation apparatus |
| 6996418 |
Apparatus and method for OFDM data communications |
February 7, 2006 |
| A radio system employing Orthogonal Frequency Division Multiplexed (OFDM) includes a Base Transceiver Station (BTS) along with a number of mobile terminals located within a coverage area of the BTS. In this system, a target mobile terminal is provided with a focused transmission beam to |
| 6996342 |
Control system for an agile optical network |
February 7, 2006 |
| A control system for an agile optical network uses constraint-based rules to minimize route validation computations required when the network is reconfigured. A hierarchical control structure facilitates admission control and insulates admission control from interaction with the phys |
| 6996131 |
Method and apparatus for improving reliability of quick paging of wireless stations |
February 7, 2006 |
| Using an initial channel, it is indicated that a message is to be delivered over at least a further channel. The initial and further channels are each comprised of at least one time slot. An initial bit value is assigned to an initial portion of the time slot of the initial channel. |
| 6996102 |
Method and apparatus for routing data traffic across a multicast-capable fabric |
February 7, 2006 |
| Data traffic is conveyed through a node of a communications network. A parameter respecting the data traffic is assigned in an ingress interface of the node, and inserted into an intra-switch header attached to each packet. The data traffic, along with the intra-switch header are for |
| 6996056 |
Method and apparatus for orthogonal code management in CDMA systems using smart antenna technolo |
February 7, 2006 |
| A method and apparatus for enabling Orthogonal codes to be reused within the same cell of a code division multiple access telecommunication network includes an base station transceiver system that comprises logic circuitry for enabling the base station transceiver system to reuse Ort |
| 6993595 |
Address translation change identification |
January 31, 2006 |
| The present invention allows a client on a private network to determine changes in a public address, which is provided by an address translation device and used for communications on a public network. The client will receive messages over the private network from the public network via t |
| 6993293 |
Method of predicting wireless signal power |
January 31, 2006 |
| The invention provides a method of predicting the power of a received wireless signal (e.g. as received by a mobile device), the method having the steps of: sampling the power of the received wireless signal over an observation interval to obtain a series of values representative of the |
| 6993030 |
AAL2 negotiation procedure |
January 31, 2006 |
| There is disclosed a method for establishing a plurality of ATM adaption layer type 2 channels between interworking functions across a single ATM virtual channel connection. Within each interworking function there are a system management layer entity an ANP layer management identity and |
| 6993025 |
Method and apparatus for encoding a plurality of pre-defined codes into a search key and for loc |
January 31, 2006 |
| A method of encoding a plurality of pre-defined codes into a search key and a method of using the search key to locate a longest matching pre-defined code to a given code is disclosed. Encoding the pre-defined codes into a search key involves producing a prefix node bit array (PNBA) |
| 6990517 |
Synchronization modelling using templates and network management system |
January 24, 2006 |
| The present invention relates to network management where monitoring and control of the synchronization path for each network element is currently provided for in a manual and ad hoc manner. The present invention provides a method of providing management data describing synchronization |
| 6990442 |
Parsing with controlled tokenization |
January 24, 2006 |
| The present invention provides a parsing technique wherein a parsing process provides feedback to a tokenizer to select an appropriate sub-tokenizer process corresponding to a grammar rule being implemented by the current parsing state. Each parsing state will select a corresponding |
| 6990349 |
System and method for reconnecting a mobile station to an emergency operator |
January 24, 2006 |
| A technique for automatically reconnecting a mobile unit to an emergency operator when the connection therebetween is interrupted is described. In a preferred embodiment, when such a call is dropped, a mobile switching center ("MSC") though which the call is connected detects that the ca |
| 6990124 |
SS7-Internet gateway access signaling protocol |
January 24, 2006 |
| A improved protocol for communication between a SS7 gateway and a Remote Access Server (RAS). The gateway connects to the SS7 network and supports, e.g., ISUP and TUP protocols. The gateway relays call handling and administrative events over an Internet Protocol (IP)connection to the |
| 6990105 |
Transporting multiprotocol datagrams |
January 24, 2006 |
| Point to point protocol (PPP) traffic is transported over an asynchronous transport link by encapsulating the traffic in AAL2 minicells and transporting the minicells in a single virtual circuit. Minicells from a number of users can be multiplexed in the same virtual circuit. |
| 6990074 |
Method and apparatus for the control of multimedia services in networks |
January 24, 2006 |
| A method, apparatus, and system for reducing congestion of real time data traffic on a multimedia communications network having a traffic control mechanism. Information regarding congestion of the multimedia communications network is first extracted from data traffic in the multimedi |
| 6990070 |
Method and apparatus for adjusting packet transmission volume from a source |
January 24, 2006 |
| A method and apparatus are provided for adjusting the volume of data communicated between a transmitter and a receiver on a network, in a time interval. The method involves producing a desired volume value in response to a volume value specified by the receiver and a difference betwe |
| 6987953 |
Digital transmitter and method |
January 17, 2006 |
| A transmitter and method is provided for digitally upconverting a baseband digital signal to a modulated intermediate frequency (IF) digital signal and sigma-delta modulating the IF digital signal. The baseband digital signal is split into N phases, as can be accomplished using a polypha |
| 6987765 |
Changing media sessions |
January 17, 2006 |
| A method and apparatus comprises a controller to establish a call session between a first endpoint and a second endpoint. Without exchanging call setup signaling with the first endpoint, the controller is able to pivot the call session from the second endpoint to another endpoint so that |
| 6987756 |
Multi-mode endpoint in a communication network system and methods thereof |
January 17, 2006 |
| A method, apparatus, and communication network system that allows an endpoint to be simultaneously registered with more than one communications server is described. In one embodiment, the communication network system includes a network, a plurality of communications servers that are |
| 6985961 |
System for routing incoming message to various devices based on media capabilities and type of m |
January 10, 2006 |
| The present invention relates to a composite user agent acting on behalf of a group of member user agents in a communication network. The composite user agent provides its group of member user agents with a specialized proxy function while representing the group to the network as a s |
| 6985959 |
Constraint route dissemination using distributed route exchanges |
January 10, 2006 |
| Distributed traffic engineering route exchanger routers (TE-Xs) are used in an open shortest path first (OSPF) routing area to collect Traffic Engineering Link State Advertisements (TE-LSAs) and exchange the TE-LSAs with other TE-Xs. TE-Xs store TE-LSAs and compute explicit routes re |
| 6985545 |
Apparatus and method to provide spectrum sharing for two or more RF signals occupying an overlap |
January 10, 2006 |
| An RF radio receiver utilizing wideband RF technology, a wideband digital IF (channelizer) tuner, a common digitizing rate, and multi-user detection (MUD) processes a superposed RF signal to allow simultaneous reception of two or more RF signals sharing overlapping frequency spectrum |
| 6985447 |
Label switched traffic routing and signaling in a label switched communication packet network |
January 10, 2006 |
| Label switched paths are installed in a label switched communications packet network. Paths are selected by defining and installing partial routes each having two or more paths such that an end-to-end route across the network can be defined as the concatenation of two partial routes. |
| 6985434 |
Adaptive time diversity and spatial diversity for OFDM |
January 10, 2006 |
| An adaptable orthogonal frequency-division multiplexing system (OFDM) that uses a multiple input multiple output (MIMO) to having OFDM signals transmitted either in accordance with time diversity to reducing signal fading or in accordance with spatial diversity to increase the data rate. |
| 6982481 |
System for dissipating heat and shielding electromagnetic radiation produced by an electronic de |
January 3, 2006 |
| Described is an apparatus for dissipating heat and shielding electromagnetic radiation from at least one electronic device on a printed circuit board. The apparatus includes a printed circuit board with a surface, at least one integrated circuit on the surface, and an electrically co |
| 6981065 |
Provisioning of connection through a SONET/SDH network |
December 27, 2005 |
| A method of provisioning a connection across a SONET/SDU network formed from multiple sub-networks comprises: determining a model of the entire network, the model indicating the connections between all sub-networks, and representing each sub-network as a single unit; calculating a route |
| 6981034 |
Decentralized management architecture for a modular communication system |
December 27, 2005 |
| A decentralized management model enables a plurality of interconnected modules to be managed and controlled as an integrated unit without requiring any one of the interconnected modules to operate as a fully centralized manager. One of the interconnected modules is configured to oper |
| 6980834 |
Method and apparatus for performing text to speech synthesis |
December 27, 2005 |
| A data communication terminal, such as a cellular telephone, capable of synthesizing speech. The data communication terminal can establish a communication session with a base station over a transmission facility implementing a voice channel and a data channel. The data communication |
| 6980737 |
Method and apparatus for rapidly measuring optical transmission characteristics in photonic netw |
December 27, 2005 |
| An apparatus for determining an error ratio of individual channels of a WDM optical signal comprises a wavelength-selective filter for separating the individual channels of the WDM signal and a measurement circuit for measuring an error ratio of one channel using a first decision thresho |
| 6980600 |
Receiver system for Multiple-Transmit, Multiple-Receive (MTMR) wireless communications systems |
December 27, 2005 |
| A wireless communication system is provided which transmits and receives Multiple-Transmit Multiple-Receive (MTMR) signal in which the superimposed substreams of the received MTMR signal are recovered by concurrently estimating all of the substreams of the transmitted signal. A plurality |
