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| Number | Title | Issue Date |
| 7315695 | Method and apparatus for defining optical broadband services on an optical communication network A method and apparatus for defining optical broadband services on an optical communication network enables broadband optical services to be built from basic service building blocks. According to an embodiment, a service definition software platform includes the abil... | 01/01/2008 |
| 7260079 | Method and apparatus for directional transmission of high bandwidth traffic on a wireless network A low data rate wireless channel (control channel) is associated with a high speed wireless channel (data channel). The data channel is divided into discrete code or time slots (access slots), that are unassigned to any particular recipient or user until requested. ... | 08/21/2007 |
| 7177371 | Methods and apparatus for transmitting and receiving data over a communications network in the presence of interference It is becoming increasingly important to improve data throughput in wireless networks. By transmitting data simultaneously at different modulation amplitudes and/or using different code strengths, terminals having different carrier to noise ratios are able to decode... | 02/13/2007 |
| 7136635 | Proxy SIP server interface for session initiation communications The present invention supports a message protocol on a wireless communication network between the access gateway and the proxy session initiation server. Upon disruption of a communication session with a mobile station, an information packet indication disruption of... | 11/14/2006 |
| 7123486 | Multiple component connector plane for a network device A network device uses a multiple component connector plane to interconnect functional cards within the network device. Each of the components of the connector plane may be configured to contain a subset of the total interconnectivity of the connector plane and, opti... | 10/17/2006 |
| 7080158 | Network caching using resource redirection A caching technique uses an interceptor situated between the client and the destination server to redirect client requests to a cache server. Specifically, the client transmits a request message that includes a reference to the intended destination server. The inter... | 07/18/2006 |
| 7050758 | Self-configuring repeater system and method Provided is a system and method for a self-configuring repeater in a telecommunications network. The repeater receives data from a base transceiver station (BTS) via a downlink channel and sends data to the BTS via an uplink channel. The repeater compares the power ... | 05/23/2006 |
| 7027825 | GPRS network and method therefor A system for delivering SMS messages to a mobile terminal includes an apparatus and method that deliver the SMS messages either using legacy SMS message formats or data packet formats. Additionally, a connection is created between a message center and a gateway GPRS... | 04/11/2006 |
| 6996144 | Wavelength stabilization of tunable lasers by current modulation Apparatus and method for stabilizing the wavelength of a tunable laser to a target wavelength, by correspondingly adjusting the electrooptical performance of the laser's gain medium, whereby to eliminate the frequency shift due to vibrational factors. The electroopt... | 02/07/2006 |
| 6925297 | Use of AAA protocols for authentication of physical devices in IP networks 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 ... | 08/02/2005 |
| 6922390 | Method and apparatus for forecasting and controlling congestion in a data transport network A method and apparatus for controlling congestion at a node in a data network. The node includes an input for receiving traffic units from the network, an output for releasing traffic units to the network and a control unit. The control unit is responsible for estim... | 07/26/2005 |
| 6865155 | Method and apparatus for transmitting data through a switch fabric according to detected congestion A switching system includes a switch fabric that includes groups of buffers for each port interface device that communicates with external communication devices through an Ethernet plane. The port interface device is formed to receive congestion ratings reflecting b... | 03/08/2005 |
| 6831525 | Oscillator arrangements with improved frequency stability Two oscillators produce respective signals at two different frequencies each dependent upon a parameter such as temperature in accordance with a polynomial with coefficients which are different for the two oscillators. A ratio of the frequencies is inverse to a rati... | 12/14/2004 |
| 6819934 | System and method for power management in a multi-channel power amplifier (MCPA) environment A method and system is provided for intelligently managing a multi-channel power amplifier (MCPA) in a telecommunications network. The MCPA usually has a plurality of amplifier modules pooled together to provide power to mobile carriers under its coverage. The MCPA ... | 11/16/2004 |
| 6816496 | Frame based data transmission over synchronous digital hierarchy network A frame based data communications network is interfaced to a synchronous digital hierarchy network via a plurality of frame based data port cards incorporated into a plurality of synchronous multiplexers. Each port card comprises a conventional frame based data port... | 11/09/2004 |
| 6801952 | Method and devices for providing network services from several servers Methods and devices for obtaining a network service at a network interconnected computing device (18) from one of plurality of network servers (16a, 16b, 16c), are disclosed. The computing device (18) contacts ... | 10/05/2004 |
| 6775316 | Method and apparatus for integrating a vertical cavity surface emitting laser with a optical amplifier Method and apparatus for integrating a VCSEL with a SOA, comprising positioning a collimating lens adjacent to the output of the VCSEL, positioning a focusing lens adjacent to the input of the SOA, and positioning a movable lens between the collimating lens and the ... | 08/10/2004 |
| 6748220 | Resource allocation in wireless networks An apparatus and method which improves data transfer between a plurality of MSs and a BS through an improved resource allocation scheme is disclosed. The resource allocation scheme disclosed, unlike previous schemes, takes into account the quality of the channel bet... | 06/08/2004 |
| 6721571 | Wireless network infrastructure in that digital processing resources are shared A wireless communication system infrastructure services wireless communications within a service coverage area. A digital enclosure includes a plurality of wireless communication processing components that perform digital processing functions. A plurality of radio e... | 04/13/2004 |
| 6717976 | Method and apparatus for signal to noise power ratio estimation in a multi sub-channel CDMA receiver The present invention provides a method and apparatus for regulating the transmission power of a transmitter generating a CDMA signal. The CDMA signal is transported over a main channel which includes a plurality of sub-channels, each sub-channel associated with a p... | 04/06/2004 |
| 6711402 | Method and apparatus for displaying calling party information A mobile station in a cellular telecommunication network includes an apparatus and method for storing a calling party identification signal. This calling party identification signal is transmitted to an originating MSC along with the call set up signals. The origina... | 03/23/2004 |
| 6708034 | End-to-end quality of service guarantee in a wireless environment A mobile station communicates with an RSVP-aware network over an air interface standard that has a wireless quality of service standard. The mobile station transmits an RSVP message to an end terminal through the network's RSVP-enabled routers. The end terminal tran... | 03/16/2004 |
| 6658104 | Method and apparatus for alerting users A system includes a plurality of communication devices and a telephony exchange system. The telephony exchange system is adapted to communicate with the plurality of communication devices. The telephony exchange system comprises receiving an alert signal,... | 12/02/2003 |
| 6625258 | System and method for providing unified communication services support A virtual assistant system (VAS) (102) supports call services (104), message services (106) and profile services (108) and interfaces to both a telephone network (114) and to a data network (116). The telephone network (114) may be the PSTN and/or another... | 09/23/2003 |
| 6553227 | Distributed signaling message routing in a scalable wireless communication system A wireless communication system constructed according to the present invention assigns each serviced mobile unit to a serving mobile switching center to minimize mobility management overhead and to equalize loading among a plurality of mobile switching ce... | 04/22/2003 |
| 6553226 | Method for managing intersatellite links in a low earth orbit satellite system A method of managing inter-satellite links (ISLs) in a LEOS system. Intra-plane ISLs are established between a subject satellite and adjacent satellites in the same orbital plane. These intra-plane ISLs are generally fixed during all operations and will n... | 04/22/2003 |
| 6519249 | Scalable gatekeepers in an internet telephony system and a method of operation An Internet Protocol (IP) telephony system manages Gatekeeper subscriber load by assigning subscriber load among a plurality of Gatekeepers during the Gatekeeper discovery and registration process. A Registration Load Management Unit (RLMU) is primarily r... | 02/11/2003 |
| 6418137 | Transmitted signal power control in cellular communications systems A base station produces a power control bit dependent on SNR (signal-to-noise ratio) determined for each time slot of a signal received from a remote station of a cellular communications system. If the SNR exceeds an upper threshold by an upper threshold ... | 07/09/2002 |
| 6392508 | Tuneable waveguide filter and method of design thereof A tuneable E-plane waveguide filter is presented. Tuning is achieved using sliders inserted into the cavities of the insert of the waveguide filter. The sliders are inserted through gaps or notches in the insert, or through notches in the waveguide housin... | 05/21/2002 |
| 6393285 | Method of and system for dynamically registering and paging mobile units in a wireless system A method of and system for dynamically managing the registration and paging mobile units in a wireless system monitors a usage pattern for each mobile unit in the wireless system. Based upon the monitored usage pattern, the system sets a registration plan... | 05/21/2002 |
| 6373331 | Method and apparatus for reducing transistor amplifier hysteresis A biasing method and apparatus which provides bias circuits of radio frequency (RF) power transistors with a low reactive impedance at low frequencies to reduce hysteresis related distortion without affecting the transistor input or output impedance or an... | 04/16/2002 |
| 6363251 | Network directed system selection for cellular and PCS enhanced roaming The present invention relates to a cellular and PCS enhanced roaming arrangement for assuring that a roaming mobile station is serviced outside its home service market be a preferred service provider. A mobile station outside its home market, when attempt... | 03/26/2002 |
| 6359979 | Enhanced call routing in competitive local telephone networks A telephone network includes an Enhanced Call Routing (ECR) function that reroutes calls when the high usage route and fixed tandem routes are overloaded or otherwise unavailable. The ECR function tracks the operation of the telephone network on the basis... | 03/19/2002 |
| 6359857 | Protection switching trigger generation A packet based telecommunication system, such as ATM, comprises a main data path and at least one bypass path, for bypassing a portion of the data path, the portion and the respective bypass defining a protection domain, the system comprising nodes for ea... | 03/19/2002 |
| 6330232 | Base station transceiver subsystem carrier selection at a CDMA cell site An apparatus for selecting a CDMA base station transceiver subsystem from a plurality of base station transceiver subsystems to handle a call in a cellular telephone network, in response to a call request. The apparatus includes a receiver for receiving a... | 12/11/2001 |
