| Patent Number |
Title Of Patent |
Date Issued |
| 6934258 |
Quality of service based transitioning between alternate transport paths |
August 23, 2005 |
| An existing communication occurring over a first type network may be communicated in high quality manner over another network when the quality of service of the first type network deteriorates. A real-time communication, such as a telephone call or other streaming data, may be automa |
| 6934248 |
Apparatus and method for optical communication protection |
August 23, 2005 |
| Protection techniques within optical communication networks are extremely important. An alternative to a line protection scheme, as most current optical communication networks use, is to utilize a path protection technique in which working and protection paths that are desired are as |
| 6931569 |
Dual protocol layer automatic retransmission request scheme for wireless air interface |
August 16, 2005 |
| A base station, mobile station, and/or other terminal device includes physical layer (layer 1) protocol and link layer (layer 2) protocol that both include automatic retransmission request (ARQ) operations. The physical layer and link layer include enhancements that interact with one |
| 6931254 |
Personalized presentation system and method |
August 16, 2005 |
| A communications system includes a facility that has a tracking system and a central control system. The tracking system tracks locations of users within the facility. Based on the locations of such users and their user profiles, targeted advertising information (and other types of i |
| 6931053 |
Peak power and envelope magnitude regulators and CDMA transmitters featuring such regulators |
August 16, 2005 |
| A peak power regulator is disclosed that functions within a Code Division Multiple Access (CDMA) transmitter to reduce peak power spikes within baseband signals, controlling the out-of-band emissions, and maintaining the in-band signal quality within an acceptable degradation. In-phase a |
| 6931052 |
Symbol-directed weighting in parallel interference cancellation |
August 16, 2005 |
| The present invention provides for improved parallel interference cancellation. An input signal composed of multiple user signals is processed over a select time duration. The input signal is separated into individual signals corresponding to each of the multiple users and demodulate |
| 6931029 |
System and method for synchronizing with data received over an unreliable asynchronous medium |
August 16, 2005 |
| A system for re-establishing synchrony with data that was synchronous data in a source device but for which synchrony is lost when the data is transmitted over an asynchronous and unreliable medium to a destination device. The system includes buffering of the data received in the des |
| 6930998 |
Hybrid TDM and ATM voice switching central office and method of completing inter-office calls us |
August 16, 2005 |
| A hybrid central office for serving a plurality of subscriber lines while serving as a virtual access tandem to a subnetwork of central offices having a connection to an ATM backbone network is described. The hybrid central office includes a computing module having a messaging interface |
| 6930470 |
System and method for code division multiple access communication in a wireless communication en |
August 16, 2005 |
| A method, device and base station for using a code division multiple access carrier for wireless reverse link communication between the device and the base station. An operational profile of the device is determined in which the operational profile includes a degree of unit mobility. A f |
| 6928480 |
Networking device and method for providing a predictable membership scheme for policy-based VLAN |
August 9, 2005 |
| A networking device and method for providing a predictable membership scheme for policy-based virtual local area networks (VLANs). In the event that identical behavior toward incoming expected and unexpected untagged frames is desired, a first membership scheme imposes a first set of rul |
| 6928463 |
Broadband content delivery via personal content tunnel |
August 9, 2005 |
| In one embodiment of the invention, browser plug-in includes a personal content tunnel (PCT) object processor, a PCT resolution module, and a server interface. The PCT object processor processes a PCT object returned by a content server in response to a request from a client. The PCT obj |
| 6928154 |
Remote caller identification telephone system and method with internet retrieval |
August 9, 2005 |
| A remote caller identification system with data logging and retrieval features including a data logging unit which logs caller identifying information from incoming calls from a caller to a subscriber phone connected to a switched telephone network. A subscriber may subsequently retr |
| 6928053 |
Dynamic resource control in telecommunications networks |
August 9, 2005 |
| A method of managing resources in a switched network including the steps of assigning a respective willingness to pay WtP value to each of a plurality of network users, assigning respective set point values for a network performance parameter for each of a plurality of routers in the net |
| 6925494 |
Method and apparatus for optical network maintenance tool |
August 2, 2005 |
| Embodiments of the present invention provide a tool for maintaining and analyzing portions of an optical network. In some embodiments, a tool is provided that provides a map of sections of an optical network. Additionally, details on the performance and operations of the network elem |
| 6925297 |
Use of AAA protocols for authentication of physical devices in IP networks |
August 2, 2005 |
| A 1xEVDO network includes an access terminal that generates an access terminal ID as a part of the call setup signals it generates when setting up a data call. In order to determine whether the user ID is authorized to access the 1xEVDO wireless data network, a AAA server is formed to in |
| 6925110 |
Signal processing method and device for a spread spectrum radio communication receiver |
August 2, 2005 |
| A digital signal available at the output of a filter matched to a spreading code in a spread spectrum receiver comprises successive blocks each corresponding to a sequence of symbols sent by a transmitter. Statistical parameters representing a channel having at least one propagation path |
| 6925054 |
Network path protection |
August 2, 2005 |
| Path protection of high priority traffic is provided between network nodes in a packet network carrying lower priority traffic in addition to the high priority traffic. First and second traffic paths are provided between the nodes, the high priority traffic being allocated to the first p |
| 6924715 |
Band reject filters |
August 2, 2005 |
| Acoustic resonators such as surface acoustic wave (SAW) devices and thin film bulk acoustic resonators (FBAR) can be configured to produce a band reject filter. Such a filter overcomes the insertion loss and power handling limitations of conventional band pass configurations and as such |
| 6922786 |
Real-time media communications over firewalls using a control protocol |
July 26, 2005 |
| In one embodiment of the invention, a real-time firewall processor includes a controller and a filter. The controller specifies a filtering characteristic based on a control protocol from a call server serving a firewall between a source and a destination networks. The filter is coup |
| 6922531 |
Method and system for encoding optical communication information during automatic laser shutdown |
July 26, 2005 |
| A system and method for identifying one or more characteristics of an optical signal, in which a transmitter is operable to transmit an optical signal and a receiving unit is operable to receive the optical signal. The transmitter has a laser for generating the optical signal and an enco |
| 6922501 |
Fast optical switch |
July 26, 2005 |
| A fast optical switch is needed to realize an economical and scaleable optical-core network. In the disclosed optical switch, switching is effected by rapid wavelength conversion. Either channel switching, Time Division Multiplex (TDM) switching or both may be provided by the fast op |
| 6922404 |
Mobile IP extensions rationalization (MIER) |
July 26, 2005 |
| A new extensions structure for mobile IP control message extensions is employed to conserve the type field. Certain types of extensions, such as network access identifiers, are initially aggregated and subtypes are employed to identify the precise content of the extension (e.g., mobile |
| 6920425 |
Visual interactive response system and method translated from interactive voice response for tel |
July 19, 2005 |
| A system, method, and computer readable medium storing a software program for translating a script for an interactive voice response system to a script for a visual interactive response system. The visual interactive response system executes the translated visual-based script when a user |
| 6920287 |
Smart connect |
July 19, 2005 |
| To automate fiber connectivity management in optical systems, a dedicated low bit-rate communications channel unique to each fiber connection in an optical system is provided. The dedicated communications channel simplifies fiber connectivity management by supporting the exchange of |
| 6920130 |
Gateway adapter for a PBX system |
July 19, 2005 |
| A gateway adapter for a circuit switched PBX system to allow the PBX system to interoperate with a packet switched network containing a remote services unit. The gateway adapter includes a PBX interface for communicating with the PBX system, a network interface for communicating with |
| 6920108 |
Method and apparatus for collision avoidance in bufferless networks |
July 19, 2005 |
| An apparatus for implementing a collision avoidance mechanism in a bufferless network. The apparatus includes first and second inputs for receiving traffic units from first and second source points, respectively. The traffic units from the first source point arrive at the first input on |
| 6917898 |
Generation and processing of statistical information |
July 12, 2005 |
| A method and system are provided for generating statistical information from input data relating to the operation of a monitored system over time. The monitored system is preferably a contact center or call centre. The method involves pegging input data relating to the operation of the s |
| 6917763 |
Technique for verifying fiber connectivity in a photonic network |
July 12, 2005 |
| A technique for verifying fiber connectivity via an optical supervisory channel in a photonic network is disclosed. In one embodiment, the technique is realized by sending a first message from the first node to the second node, wherein the first message includes an address of an inte |
| 6917759 |
Shared mesh signaling algorithm and apparatus |
July 12, 2005 |
| A shared mesh protection scheme defines an associated protection path when a working connection is established. During the protection path definition, the corresponding protection path information is sent down to a switch card of network elements making up the protection path. Upon d |
| 6917630 |
Concatenation of containers in synchronous digital hierarchy network |
July 12, 2005 |
| A method of transmitting OSI layer 2 datacoms data by direct incorporation into a plurality of synchronous digital hierarchy virtual containers is disclosed, in which a higher bit rate OSI layer 2 data frame is multiplexed into a plurality of lower bit rate SDH (or SONET) virtual con |
| 6917621 |
Enhanced emulation system on a communication network |
July 12, 2005 |
| The present invention supports a packet-based communication by emulating the functions of an enhanced mobile radio system. The communication device executes emulation software to support simplex communications, as well as other communication features such as voice mail, electronic mail, |
| 6917603 |
Servicing multiple high speed data users in shared packets of a high speed wireless channel |
July 12, 2005 |
| A slot structure carries data/control for a plurality of user terminals on a high speed forward channel. The slot structure includes a preamble that identifies the plurality of user terminals and a data rate of the slot structure. In one embodiment, the data rate is indicated via an Expl |
| 6917596 |
Method of addressing physical problems of a topological network using a topology engine |
July 12, 2005 |
| The topology of a network is represented, or emulated, by a topology engine comprising processing elements interconnected via a connection matrix. Queries representing physical problems of the network are supplied by a host processor to the topology engine, where they are processed in th |
| 6917588 |
Apparatus and method for classifying data packet flows |
July 12, 2005 |
| Currently there are two techniques used to classify data packet flows, those techniques being static and dynamic. A proper combination of these two techniques can allow for the advantages of both techniques to be gained while reducing their respective disadvantages. With this combined |
| 6917586 |
Communication system architecture and operating methods thereof |
July 12, 2005 |
| To ensure an effective mechanism for disaster recovery, system migration and network enlargement, a communication system (FIG. 6) comprises a narrowband-to-broadband interface (300) having a plurality of network adaptors (302-306) interconnected to a switch (314-316) that provides ac |
| 6917031 |
Method for quadrature phase angle correction in a coherent receiver of a dual-polarization optic |
July 12, 2005 |
| A method is provided for correcting a quadrature angle error that exists in the coherent receiver hardware of a dual-polarization optical transport system. The receiver hardware that causes the quadrature angle error is a 90 degree optical hybrid mixing device. The method involves genera |
| 6915457 |
Apparatus and method for monitoring messages forwarded between applications |
July 5, 2005 |
| An apparatus and method of monitoring messages forwarded from a first application to a second application each filter messages to produce a designated set of messages. Analysis of the designated set often can determine the source of an application error. To that end, the apparatus an |
| 6915348 |
Validation of a connection between arbitrary end-points in a communications network using an aug |
July 5, 2005 |
| An OP-N connection is mapped through a communications network between first and second end-nodes via at least one intermediate node. The integrity and validity of the OP-N connection can be determined independently of SONET/SDH lines, sections or paths mapped through the network, and |
| 6915345 |
AAA broker specification and protocol |
July 5, 2005 |
| In an IP-based mobile communications system, the Mobile Node changes its point of attachment to the network while maintaining network connectivity. The present invention improves the attachment of the Mobile Node to the IP mobile communications system by allowing a AAA Broker Server to m |
| 6914962 |
Call-flow verification method and apparatus |
July 5, 2005 |
| After implementation of an interactive voice response (IVR) system providing voice prompts (i.e., utterances) to aid a telephone caller, it is desirable to provide call-flow verification to validate system accuracy, particularly under high-volume or saturation calling conditions. An |
| 6914912 |
Route selection for alternate paths in connection-oriented networks |
July 5, 2005 |
| A process for selecting the best possible route for an alternate communications path in connection-oriented networks takes into account the reserved network resources and the set of links and/or nodes used by a current communications path. Whenever a request for route selection inclu |
| 6912499 |
Method and apparatus for training a multilingual speech model set |
June 28, 2005 |
| The invention relates to a method and apparatus for training a multilingual speech model set. The multilingual speech model set generated is suitable for use by a speech recognition system for recognizing spoken utterances for at least two different languages. The invention allows using |
| 6912403 |
Method and apparatus for fast forward-link power control and synchronization of base stations |
June 28, 2005 |
| A method and apparatus for controlling forward gain transmission values of a base station transceiver system includes adjusting forward gain values according to mobile station power control commands as well as to forward gain values commanded by a base station controller. The forward gai |
| 6910074 |
System and method for service session management in an IP centric distributed network |
June 21, 2005 |
| Provided are a system and method for service session management in an IP centric network. In one example, the method includes accessing a network to establish a point of presence through an access interface layer at an access management layer and a core portion of the network and designa |
| 6909887 |
Method of controlling a channel between a radio terminal and a cellular radiocommunication infra |
June 21, 2005 |
| The infrastructure has a core network, radio network controllers linked to the core network and base stations provided with radio interfaces and each linked to one of the controllers. Ciphered information is transmitted over a first communication path in circuit mode between the core net |
| 6907560 |
Forward error correction (FEC) on a link between ICs |
June 14, 2005 |
| An apparatus suitable for generating a signal for transmission over a link between two ICs is provided. The apparatus receives an input signal comprising payload data to be transmitted and processes the payload data in the input signal to derive forward error correction data. An output |
| 6907549 |
Error detection in communication systems |
June 14, 2005 |
| A method for determining the impact on a network of a fault in the network, comprises the steps of constructing a layered topological model of the network according to a predetermined protocol, receiving an indication of an erroneous event at a point in the network, and modelling the imp |
| 6907462 |
Network gatekeeper prioritizing method and system |
June 14, 2005 |
| Methods and systems for controlling network gatekeeper message processing include overload control routines executed by a network gatekeeper to prevent the network gatekeeper from crashing during overload conditions. The overload control routines are executed in a predetermined order so |
| 6907271 |
Multibeam wireless communications method and system including an interference avoidance scheme i |
June 14, 2005 |
| A method for reducing interference in a wireless system, and a system for performing the method. The wireless system should include at least two, and preferably four, beam formers and a plurality of mobile units. The method includes the steps of transmitting beams B1, B2, B3 and B4 into |
| 6907228 |
Allocating carrier frequencies for communicating beacon control signaling |
June 14, 2005 |
| A mobile communications network includes a plurality of cells and cell sectors in each cell. Carrier frequencies for carrying beacon control signaling, such as a broadcast control channel (BCCH), are assigned from the entire band of available carrier frequencies. The same carrier fre |
