| Patent Number |
Title Of Patent |
Date Issued |
| 7046931 |
Method for providing high connectivity communications over a packet-switched optical ring networ |
May 16, 2006 |
| A method for providing high connectivity communications over a packet-switched optical ring network comprises a core optical ring having at least one node, the node being coupled to a subtending system by an optical crossbar switch, a source for generating a set of packets, a stacker |
| 7046783 |
Seamless re-direction of calls between home and mobile telephones |
May 16, 2006 |
| A method is described for providing wired line telephone and mobile telephone cross-usage comprising the steps of de-activating call forwarding of incoming mobile telephone calls to a subscriber's home wired line telephone and for activating call forwarding of incoming wired line tel |
| 7046690 |
Interference suppression methods for 802.11 |
May 16, 2006 |
| An 802.11 source station transmits a message, such as a CF-End message, to reset a network allocation vector at a time other than that required for indicating the end of the contention free period. That is, the source station uses the CF-End message to spoof stations within range of the |
| 7046678 |
Channel efficiency based packet scheduling for interactive data in cellular networks |
May 16, 2006 |
| The present packet scheduling algorithm gives cellular network operators greater flexibility in adjusting the way resources are allocated among interactive best-effort data users. Best effort data users with different radio link qualities may have different amounts of data delivered to t |
| 7046658 |
Method and system for customer selected direct dialed voice-over-internet protocol (VOIP) |
May 16, 2006 |
| A Voice-over-Internet protocol (VOIP) communications network system that enables direct-dialed (single-stage) access to the Internet Protocol (IP) network from the circuit-switched network. Specifically, the VOIP network system includes a VOIP service implemented on a communications syst |
| 7046650 |
Interference suppression methods for 802.11 |
May 16, 2006 |
| An 802.11 source station transmits a signal with the duration field other than that required for the transmission to prevent transmission by other stations during known sequences. Thus, the source station uses the duration field to spoof the actual time the medium will be occupied, to |
| 7046637 |
Real-time multimedia conferencing over an ATM network using an intelligent ATM cable modem and h |
May 16, 2006 |
| A technique for providing real-time multimedia conferencing services with guaranteed performance, in a hybrid networking environment, by interconnecting cable modem-based premises networks via hybrid fiber coaxial (HFC) access networks and an ATM wide area network is disclosed. The A |
| 7046427 |
Method and apparatus for providing a broadband raman amplifier with improved noise performance |
May 16, 2006 |
| A method and apparatus is presented which reduces noise degradation in the shorter wavelength band by using modulation of one/multiple pumps plus multiple-order Raman amplification. Such a scheme is very suitable for the case of SSMF fiber where pump--pump induced four-wave mixing (FWM) |
| 7043530 |
System, method and apparatus for communicating via instant messaging |
May 9, 2006 |
| A system, method and apparatus for facilitating communication among a number of distributed clients in a distributed network is disclosed. A user, such as through a personal digital assistant device, may select one or more instant messages for transmission to one or more other users in |
| 7043441 |
Method and apparatus using digital credentials and other electronic certificates for electronic |
May 9, 2006 |
| A method for performing electronic transactions, comprising receiving a long-term certificate, authenticating a user associated with the long-term certificate, and then sending a short-term certificate to the authenticated user. In addition, risk associated with the user can be evalu |
| 7042933 |
System and methods for transmitting data |
May 9, 2006 |
| A system and method for transmitting data over a channel, in which the data are categorized in at least two different categories. For example, the data are categorized according to the effect on perceived degradation on the data when error mitigation is performed on the data. Corrupted |
| 7042559 |
Fault location apparatus and procedures in CWDM business applications using wavelength selective |
May 9, 2006 |
| A method for verifying fiber connections and diagnosing loss of light or loss of signal conditions in a WDM optical system. The method utilizes an optical time domain reflectometer (OTDR) having user-selectable wavelengths to shoot OTDR traces at a specified wavelength corresponding |
| 7039411 |
Method and apparatus for personalization of a public multimedia communications terminal |
May 2, 2006 |
| A multimedia call is completed to a mobile user, who registered to receive a multimedia call at a multimedia terminal using a portable intelligent device. A mobile user record including a physical address of a multimedia terminal and a user address is stored. In response to a multimedia |
| 7039040 |
Voice-over-IP enabled chat |
May 2, 2006 |
| A network-based system and method for providing anonymous voice communications using the telephone network and data communications links under the direction of a Call Broker and associated network elements. A user (the call initiator) present in a text chat room session establishes a |
| 7039032 |
Multipoll for QoS-Driven wireless LANs |
May 2, 2006 |
| A method and a system are disclosed for providing quality of service (QoS)-driven channel access within a basic service set (BSS) in a wireless network. A point coordinator (PC) station determines whether at least one of upstream traffic and side-stream traffic is scheduled to be tra |
| 7039009 |
Control of optical connections in an optical network |
May 2, 2006 |
| A method for lightpath restoration in a reconfigurable optical network comprises the steps of naming each network addressable element in said reconfigurable optical network, determining current topology in said reconfigurable optical network, determining current resources in said rec |
| 7035803 |
Method for sending multi-media messages using customizable background images |
April 25, 2006 |
| A system and method of providing sender customization of multi-media messages through the use of inserted images or video. The images or video may be sender-created or predefined and available to the sender via a web server. The method relates to customizing a multi-media message created |
| 7035766 |
System and method for diagnosing computer system operational behavior |
April 25, 2006 |
| A system and method for identifying computer system performance signatures and for identifying the cause of undesirable performance signatures, particularly with respect to both application-based and computer system-based parameters. Respective parametric information data is matched |
| 7035649 |
On demand multicast messaging system |
April 25, 2006 |
| An on-demand message system includes a profile proxy server and a plurality of message servers coupled to a wireless network for sending messages to mobile users under conditions specified by the users and sellers. Users provide profile information specifying categories and condition |
| 7035410 |
Method and apparatus for enhanced security in a broadband telephony network |
April 25, 2006 |
| The broadband telephony interface is provisioned by receiving information authenticating a provisioning server, establishing a communication channel between the user and the provisioning server over which is transmitted authorization information from the user to the provisioning serv |
| 7035260 |
Voice over IP service implementation for providing multimedia features |
April 25, 2006 |
| A network architecture (10) provides Voice over Internet Protocol (VoIP) service as well as multimedia and Internet web-based applications while implementing features common in a traditional telecommunications network. In response to an incoming call dialed to an IP endpoint (32, 34), th |
| 7035222 |
Methods for optimizing and evaluating network access techniques |
April 25, 2006 |
| Methods of evaluating access to Virtual Private Networks (VPNs) from alternate access connections and for improving access to VPNs from alternate access connections such as ISPs. The methods include downloading a set of tests through a network backbone to simulate access to the VPN f |
| 7034414 |
Mobile AC-to-DC power conversion system |
April 25, 2006 |
| A mobile AC-to-DC power conversion system that can convert AC power into DC power for use by facilities that require it, such as telecommunications switching offices, thereby enabling telecommunications services supplied by the facility's equipment to be quickly and easily restored. |
| 7031925 |
Method and apparatus for creating customer specific dynamic grammars |
April 18, 2006 |
| A method and apparatus create a dynamic grammar pertaining to a current user from a global database of data items. A user first identifies himself to the system using a predetermined input identifier, such as an account number, for example. On the basis of this input identifier, the |
| 7031559 |
Technique for mitigation of polarization mode dispersion in fiber optic transmission links |
April 18, 2006 |
| A technique for PMD mitigation in an optical communications system that utilizes a plurality of polarization rotators in an optical fiber to continuously rotate the polarization state of at least one optical signal that propagates through the fiber. The optical fiber is segregated into a |
| 7031326 |
Method and system for a Unicast endpoint client to access a multicast internet protocol (IP) ses |
April 18, 2006 |
| Unicast endpoint clients (110, 111, 115) on an IP Unicast network (107, 108) are provided access to Multicast sessions on an IP Multicast network (101) through a Multicast-Unicast gateway server (120, 121). The server obtains information about sessions on the Multicast network and makes |
| 7031299 |
Control of optical connections in an optical network |
April 18, 2006 |
| A method for lightpath provisioning in a reconfigurable optical network that comprises the steps of naming each network addressable element in the reconfigurable optical network, determining current resources therein, determining current topology therein, requesting establishment of |
| 7031287 |
Centralized contention and reservation request for QoS-driven wireless LANs |
April 18, 2006 |
| A method and a system is disclosed for providing quality of service (QoS)-driven channel access within a basic service set (BSS) in a wireless local area network (WLAN). A contention control (CC) frame is sent from a point coordinator (PC) of the BSS during a contention-free period ( |
| 7031274 |
Method for enabling interoperability between data transmission systems conforming to IEEE 802.11 |
April 18, 2006 |
| Mechanisms, in a transmission channel shared by 802.11 systems and HIPERLAN/2 systems are provided to prevent 802.11 terminals from transmitting during time periods allocated to HIPERLAN, so that a single channel can be shared between the two standards. In a particular embodiment, a |
| 7030616 |
Underwater cable locating device |
April 18, 2006 |
| An apparatus for locating a buried utility conveyance, such as an undersea cable, beneath a body of water. The apparatus generally comprises a submersible housing that contains a variable ballast system for selectively controlling the buoyancy of the apparatus, operator-controlled ma |
| 7028104 |
Network access device having internetworking driver with active control |
April 11, 2006 |
| A network interface driver embodied in a processor readable medium comprising executable program instructions that, when executed by a processor, independently process internetworking protocols for a host computer (or other network access device) with another computer on a remote net |
| 7027988 |
System and method of .epsilon. removal of weighted automata and transducers |
April 11, 2006 |
| An improved .epsilon.-removal method is disclosed that computes for any input weighted automaton A with .epsilon.-transitions an equivalent weighted automaton B with no .epsilon.-transitions. The method comprises two main steps. The first step comprises computing for each state "p" of |
| 7027986 |
Method and device for providing speech-to-text encoding and telephony service |
April 11, 2006 |
| A method and an apparatus for providing automated speech-to-text encoding and decoding for hearing-impaired persons. A broadband subscriber terminal interfaces to: (a) a network to convey speech packets thereover, (b) a telephone to convey speech information, and (c) a display device to |
| 7027733 |
Delivering multicast services on a wavelength division multiplexed network using a configurable |
April 11, 2006 |
| A method and a system in which selected wavelengths of a wavelength division multiplexed (WDM) signal are modulated with multicast data for multicasting data services on an optical network. The WDM signal is received from a hub node of the optical network, such as a unidirectional ri |
| 7027601 |
Perceptual speaker directivity |
April 11, 2006 |
| Better reproduction of sound is achieved analyzing audio signals for perceptual soundfield imaging cues, and applying appropriate portions of the audio signal to a directional speaker and to a diffusing speaker, based on the analyzed audio signals. Specifically, the audio signal is a |
| 7027581 |
Method for exchanging signaling messages in two phases |
April 11, 2006 |
| Signaling messages are exchanged for a call between a calling party to a called party. A setup message for the call is exchanged through at least one gate controller. Network resources are reserved for the call based on the exchanged setup messages. An end-to-end message for the call is |
| 7027536 |
Method and apparatus for designing finite-length multi-input multi-output channel shortening pre |
April 11, 2006 |
| A multi-input, multi-output pre-filter improves operation of a multi-input receiver by shortening the effective memory of the channel with a set of FIR filters. The coefficients of these FIR filters can be fashioned to provide a variety of controls by the designer, for example, the value |
| 7027462 |
Random medium access methods with backoff adaptation to traffic |
April 11, 2006 |
| Using low PF values in conjunction with traffic-adapted contention windows leads to substantial decreases in delay and jitter. In general, adaptation to traffic reduces contention or delay: opening up the contention window in congestion and closing it on relief. Residual backoff adap |
| 7027448 |
System and method for deriving traffic demands for a packet-switched network |
April 11, 2006 |
| The present invention is directed to a method and system for deriving traffic demands for a packet-switched network. A novel model of defining traffic demands as a volume of load originating from an ingress link and destined to a set of egress links enables support for traffic engineerin |
| 7027432 |
Method and apparatus for coordinating a change in service provider between a client and a server |
April 11, 2006 |
| A method of configuring a network access device connected to an access network connected to a plurality of service networks, the network device having a first network address allocated to a subscriber of services of a first service provider provided by a first service network, with a new |
| 7027396 |
Traffic matrix computation for a backbone network supporting virtual private networks |
April 11, 2006 |
| This invention provides a more effective method for capacity planning and traffic engineering of packet networks that connect Virtual Private Network (VPN) sites. A distributed architecture efficiently computes traffic matrixes that show the number of bytes and/or packets exchanged a |
| 7024423 |
Order management method and system |
April 4, 2006 |
| A method and system for generating service forms and service orders in an order management system. To avoid entry-related mistakes, a master form is used to enter verified data about a customer and the services to be provisioned. The data entered into the master form is then used along |
| 7023806 |
Method for routing optical signals with diversity requirements |
April 4, 2006 |
| The present invention discloses a method of determining a route for transmitting a signal through a network. The method comprises obtaining and storing network and demand data. The demand data is processed using a shortest path routing method to obtain an initial route and the network |
| 7023218 |
Method and apparatus for testing filter/protector units for fiber optic cables |
April 4, 2006 |
| A method and apparatus for testing filter/protector units positioned along a fiber optic cable are disclosed. The fiber optic cable includes a metallic sheath surrounding the cable and several filter/protector units positioned along the cable. A cable locating unit generates an electric |
| 7016973 |
Apparatus and methods for providing translucent proxies in a communications network |
March 21, 2006 |
| The Translucent Proxying of TCP (TPOT) device and methods use TCP-OPTIONS and IP tunneling to guarantee that all IP packets belonging to a specific TCP connection will traverse the proxy which intercepts the first packet of data. This guarantee allows the ad-hoc deployment of TPOT device |
| 7016850 |
Method and apparatus for reducing access delay in discontinuous transmission packet telephony sy |
March 21, 2006 |
| Speech at the beginning of a talkspurt in a discontinuous transmission (DTX) packet telephony system is speeded up to help make up for an access delay incurred during channel allocation. Incoming speech frames are buffered, a pitch period for a current portion of the signal is estima |
| 7016828 |
Text-to-scene conversion |
March 21, 2006 |
| The invention relates to a method of converting a set of words into a three-dimensional scene description, which may then be rendered into three-dimensional images. The invention may generate arbitrary scenes in response to a substantially unlimited range of input words. Scenes may be |
| 7013282 |
System and method for text-to-speech processing in a portable device |
March 14, 2006 |
| A system and method for providing high-quality text-to-speech (TTS) output in a low-complexity device is disclosed. TTS output is generated by a TTS system that resides on a high-complexity device. The TTS output is transmitted from the high-complexity device to the low-complexity device |
| 7013278 |
Synthesis-based pre-selection of suitable units for concatenative speech |
March 14, 2006 |
| A method for generating concatenative speech uses a speech synthesis input to populate a triphone-indexed database that is later used for searching and retrieval to create a phoneme string acceptable for a text-to-speech operation. Prior to initiating the "real time" synthesis process, a |
| 7012966 |
Channel estimation for wireless systems with multiple transmit antennas |
March 14, 2006 |
| In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by using various sets of training symbols. |
