IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0328306
(1999-06-08)
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발명자
/ 주소 |
- Berkowitz, Paul
- Shey, Chauncey
- Vancraeynest, Jan
- Vasconcellos, Jose
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출원인 / 주소 |
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인용정보 |
피인용 횟수 :
12 인용 특허 :
16 |
초록
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Communications system comprising a set of interface devices adapted to be coupled to a public switch telephone network (PSTN) and radio transceivers. The interface devices are configured to serve in various geographic regions. The radio transceivers are coupled to the interface devices in the set of
Communications system comprising a set of interface devices adapted to be coupled to a public switch telephone network (PSTN) and radio transceivers. The interface devices are configured to serve in various geographic regions. The radio transceivers are coupled to the interface devices in the set of interface devices. The radio transceivers are for communication with mobile subscribers. The mobile subscribers each have a home region. The circuitry coupled to the set of interfaces routes a call through a path including an interface device that serves the mobile subscriber's home region, for a call involving the PSTN and a mobile subscriber located outside the mobile subscriber's home region.
대표청구항
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1. A method of modifying an existing telephone network, the method comprisingcoupling interface devices to the telephone network, the interface devices coupled to circuitry coupled to radio transceivers that service mobile subscribers that may be located in ones of various geographic regions, the mo
1. A method of modifying an existing telephone network, the method comprisingcoupling interface devices to the telephone network, the interface devices coupled to circuitry coupled to radio transceivers that service mobile subscribers that may be located in ones of various geographic regions, the mobile subscribers each being assigned to a respective geographic region: coupling the interface devices to circuitry that, when a subscriber is located in a region other than a geographic region to which the subscriber is assigned, routes a call with the mobile subscriber through a path including a radio transceiver that serves the region in which the mobile subscriber is currently located and an interface device that serves the region to which the subscriber is assigned: and, wherein the subscriber has a set of directory numbers and each call is associated with at least one directory number, and for a call to the mobile subscriber, the interface devices, upon detecting that the mobile subscriber is located outside the mobile subscriber's home region, route the call depending on instructions in a subscriber service profile, the instructions being associated with the directory number that is associated with the call; and, wherein, for calls with the subscriber located in a region other than the geographic region to which the subscriber is assigned, billing information is passed to the existing network regarding location of the subscriber only through the interface that serves the region to which the subscriber is assigned. 2. A communications system comprising:a set of interface devices adapted to be coupled to a PSTN, the interface devices configured to serve various geographic regions; radio transceivers coupled to interface devices in the set of interface devices, the radio transceivers for communication with mobile subscribers, the mobile subscribers each having a home region; and circuitry coupled to the set of interface devices that, for a call involving the PSTN and a mobile subscriber located outside the mobile subscriber's home region, routes the call through a path including an interface device that serves the mobile subscriber's home region; wherein the subscriber has a set of directory numbers and each call is associated with at least one directory number, and for a call to the mobile subscriber, the circuitry coupled to the set of interfaces, upon detecting that the mobile subscriber is located outside the mobile subscriber's home region, routes the call depending on instructions in a subscriber service profile, the instructions being associated with the directory number that is associated with the call. 3. The communications system of claim 2, wherein, for a call to a mobile subscriber, the circuitry coupled to the set of interfaces determines the region in which the mobile subscriber is located and routes the call through a path including the interface that serves the mobile subscriber's home region and the interface that serves the region in which the mobile subscriber is located.4. The communications system of claim 2, wherein, depending on the instructions in the subscriber service profile, the call is routed to one of (a) the subscriber, (b) another subscriber, and (c) a voice mail box.5. The communications system of claim 2, wherein, for a call from a mobile subscriber, the circuitry coupled to the set of interfaces routes the call through a path including the interface in the region in which the mobile subscriber is located and the interface in the mobile subscriber's home region.6. The communications system of claim 2, wherein the mobile subscriber has a transceiver with circuitry that transmits information regarding the mobile subscriber's home region to the circuitry coupled to the set of interfaces.7. The communications system of claim 2, wherein the circuitry coupled to the set of interfaces comprises computer systems located in different areas, a computer system located in each respective area routing calls between the interfaces in the respective area.8. The communications system of claim 2, wherein the circuitry coupled to the set of interfaces comprises multiple computer systems, each computer system coupled to sets of bearer and control channels and each computer system coupled to the other computer systems by a common control bus.9. The communications system of claim 8, wherein the common control bus comprises a physically localized local area network.10. The communications system of claim 8, wherein the common control bus comprises a physically distributed internet.11. The communications system of claim 7, wherein the computer systems located in each respective area are coupled to multiple others of the computer systems located in the respective other areas.12. The communications system of claim 2, wherein the circuitry that routes the call routes the call through a path including the PSTN between the mobile subscriber and the interface device that serves the subscriber's home region.13. The communications system of claim 2, wherein the interface devices include roaming gateways coupled to the PSTN and coupled via a control bus to the circuitry that routes the call.14. The communications system of claim 13, wherein the control bus comprises a physically localized local area network.15. The communications system of claim 13, wherein the control bus comprises a physically distributed internet.16. The communications system of claim 13, wherein the circuitry that routes the call routes the call through a path including the PSTN assigns routing numbers to each interface device from among a pool of reserved PSTN numbers and releases the routing numbers upon call completion.17. A communications system comprising:a set of interface devices adapted to be coupled to a PSTN, the interface devices configured to service various geographic regions; coupled to each interface device, a set of devices for communicating with radio transceivers, each device for communicating with radio transceivers coupled to one or more radio transceivers; and circuitry coupled to the set of interface devices that, with respect to calls from the PSTN to mobile subscribers, provides a virtual proxy for the set of devices for communicating with the radio transceivers, and wherein, if a call from the PSTN through an interface device is directed to a subscriber in an area not serviced by the set of devices for communicating with the radio transceivers coupled to the interface, routes the call through a path including the PSTN to an interface device coupled to a set of devices for communicating that service in an area in which the subscriber is located; wherein the portion of the path through the PSTN between the subscriber and the interface device in the mobile subscriber's home region is obtained based on a routing number assigned to the interface that serves the region in which the subscriber is currently located. 18. The communications system of claim 17, the circuitry coupled to the set of interface devices routing the call without interrogating a centralized database.19. The communications system of claim 17, the circuitry coupled to the set of interface devices routing the cal without interrogating a home location register (HLR) and without interrogating a visited location register (VLR).20. The communications system of claim 17, wherein the set of devices for communicating with the radio transceivers comprise radio port controllers (RPCs).21. A communications system comprising:a set of interface devices adapted to be coupled to a PSTN, the interface devices configured to service various geographic regions; coupled to each interface device, a set of devices for communicating with radio transceivers, each device for communicating with radio transceivers coupled to one or more radio transceivers; and circuitry coupled to the set of interface devices that, with respect to calls from subscribers to the PSTN, has the same type of interface as a port on the PSTN, and wherein, if a call from a subscriber located outside the subscriber's home area is directed to the PSTN, the circuitry coupled to the set of interface devices routes the call to an interface device that services the subscriber's home area. 22. The communications system of claim 21, the circuitry coupled to the set of interface devices routing the call without interrogating a centralized database.23. The communications system of claim 21, the circuitry coupled to the set of interface devices routing the call without interrogating a home location register (HLR) and without interrogating a visited location register (VLR).24. The communications system of claim 21, wherein the port on the PSTN comprises a port of a class 5 switch.25. A method of modifying an existing telephone network, the method comprising:locating interface devices in various geographic regions of the telephone network within a national area; coupling the interface devices to the telephone network in the various geographic regions in the national area, the interface devices coupled to circuitry coupled to radio transceivers that service mobile subscribers that may be located in ones of the various geographic regions, the mobile subscribers each being assigned to a respective geographic region; wherein the interface devices are coupled to circuitry that, when a subscriber is located in a region in the national area other than in a geographic region to which the subscriber is assigned, routes a call with the mobile subscriber through a path including a radio transceiver in the region in which the mobile subscriber is currently located and an interface device in the region to which the subscriber is assigned; and, wherein, for calls with the subscriber located in a region other than the geographic region to which the subscriber is assigned, billing information is passed to the existing network regarding location of the subscriber only through the interface in the region to which the subscriber is assigned. 26. A communications system comprising:a set of interface devices adapted to be coupled to a PSTN, the interface devices configured to serve various geographic regions; radio transceivers coupled to interface devices in the set of interface devices, the radio transceivers for communication with mobile subscribers, the mobile subscribers each having a home region; and circuitry coupled to the set of interface devices that, for a call involving the PSTN and a mobile subscriber located outside the mobile subscriber's home region, routes the call through a path including an interface device that serves the mobile subscriber's home region; wherein the circuitry coupled to the set of interfaces comprises multiple computer systems, each computer system coupled to sets of bearer and control channels and each computer system coupled to the other computer system by a common control bus. 27. A communications system comprising:a set of interface devices adapted to be coupled to a PSTN, the interface devices configured to serve various geographic regions; radio transceivers coupled to interface devices in the set of interface devices, the radio transceivers for communication with mobile subscribers, the mobile subscribers each having a home region; and circuitry coupled to the set of interface devices that, for a call involving the PSTN and a mobile subscriber located outside the mobile subscriber's home region, routes the call through a path including an interface device that serves the mobile subscriber's home region; wherein the interface devices include roaming gateways coupled to the PSTN and coupled via a control bus to the circuitry that routes the call.
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