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| Number | Title | Issue Date |
| 6498790 | Time division multiple access cellular system supporting packet data transmissions on reconfigurable packet data channels and method of operation A time division multiple access cellular communication system supports a packet channel is alterable between a packet control channel configuration and a packet traffic channel configuration. In the packet control channel configuration, the packet channel... | 12/24/2002 |
| 6332075 | Use of distinctive ringing in a wireless communication system to inform a called party of an increased billing rate A wireless communication system determines whether an increased billing rate will be applied for an incoming call by comparing an Originating Rate Center ID for the call with a current location of a mobile unit. Based upon this determination, the wireless... | 12/18/2001 |
| 6330454 | System and method for locating mobile units operating within a wireless communication system A wireless communication system constructed according to the present invention interfaces with a Service Control Point (SCP) to provide location information for a serviced mobile unit. The SCP sends a locate request to a Home Location Register (HLR) of th... | 12/11/2001 |
| 6330451 | Selectively delaying data communications in a wireless communication system to provide voice communications capacity A wireless communication system selectively delays serviced data communications to produce a desired level of voice communications capacity. The system first determines whether the wireless communication system has sufficient voice communications capacity... | 12/11/2001 |
| 6330428 | Voice quality performance evaluator and method of operation in conjunction with a communication network A voice quality performance evaluator includes an interface, memory, processing circuitry and may include a network interface. The interface is adapted to couple to a voice transmission path under test. The memory couples to the interface and is adapted t... | 12/11/2001 |
| 6327358 | System and method for rerouting data calls to internet service provider via lowest access point in a telephone network A telephone network redirects calls intended for an Internet Service Provider (ISP) to one of a plurality of available Internet Protocol (IP) gateways operated by the ISP. A call is received by the telephone network at an originating switch from a subscri... | 12/04/2001 |
| 6285669 | CDMA direct spread overlay system and method of operation A CDMA communication system supports underlay transmissions and direct spread overlay transmissions such that the overlay transmissions are at least partially orthogonal to underlay transmissions. A base station supports both the underlay transmissions an... | 09/04/2001 |
| 6278874 | Wireless communication system in which a termination access type is identified to a serving mobile switching center A wireless communication system constructed according to the present invention forwards the termination access type to the serving mobile switching center (MSC) for inclusion into a call detail record and includes an originating MSC, a home location regis... | 08/21/2001 |
| 6275695 | Spectrum yield management in a wireless communication system A spectrum yield management (SYM) system manages available spectrum within a wireless communication system. The SYM system includes at least one computer and connections within the wireless communication system to other components of the wireless communic... | 08/14/2001 |
| 6228724 | Method of making high performance MOSFET with enhanced gate oxide integration and device formed thereby Transistors formed according to the present invention include an oxide layer/nitride layer gate insulator and a silicide gate conductor. An oxide layer is formed to a thickness of between 15 and 25 Angstroms across a substrate and partially removed so tha... | 05/08/2001 |
| 6180465 | Method of making high performance MOSFET with channel scaling mask feature A method of forming a transistor includes forming a source/drain implant in the initial processing stages just after the formation of the isolation and active regions on the substrate. A dielectric layer is then formed on the surface of the substrate, por... | 01/30/2001 |
| 6172402 | Integrated circuit having transistors that include insulative punchthrough regions and method of formation An integrated circuit includes a plurality of transistors formed to include insulative punchthrough regions. Each of the plurality of transistors includes a channel formed upon a substrate, an insulative punchthrough region formed below the channel, a sou... | 01/09/2001 |
| 6165858 | Enhanced silicidation formation for high speed MOS device by junction grading with dual implant dopant species A method of making a MOS transistors in an integrated circuit includes forming a plurality of doped source and drain regions adjacent respective gate structures that include gate dielectrics, gate conductors and spacers. The plurality of doped source and ... | 12/26/2000 |
| 6161008 | Personal mobility and communication termination for users operating in a plurality of heterogeneous networks A personal mobility system determines a terminal address corresponding to a called user based upon a personal identifier of the called user. The personal mobility system operates in conjunction with a plurality of heterogeneous networks to provide the ter... | 12/12/2000 |
| 6160999 | Wireless communication system providing improved forward link management and method of operation A wireless communication system facilitates wireless communication with a mobile unit operating within a respective service area. The wireless communication system includes a mobile switching center and a plurality of base stations with each base stations... | 12/12/2000 |
| 6085335 | Self engineering system for use with a communication system and method of operation therefore A self engineering system includes a data acquisition module, a self engineering engine, and a control module. The data acquisition module couples to the communication system and receives current operating data of the communication system. The self engine... | 07/04/2000 |
