IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
UP-0226617
(2005-09-13)
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등록번호 |
US-7606568
(2009-11-10)
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발명자
/ 주소 |
- Gallagher, Michael D.
- Mohammed, Jahangir
- Baranowski, Joseph G.
- Shi, Jianxiong
- Markovic, Milan
- Elam, Thomas G.
- Kolderup, Kenneth M.
- Shekhar, Madhu C.
- Powell, Mark
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
23 인용 특허 :
141 |
초록
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An unlicensed wireless service is adapted to generate the interface protocols of a licensed wireless service to provide transparent transition of communication sessions between a licensed wireless service and an unlicensed wireless service. In one embodiment, a mobile station includes level 1, level
An unlicensed wireless service is adapted to generate the interface protocols of a licensed wireless service to provide transparent transition of communication sessions between a licensed wireless service and an unlicensed wireless service. In one embodiment, a mobile station includes level 1, level 2, and level 3 protocols for licensed wireless service and an unlicensed wireless service. An indoor base station and indoor network controller provide protocol conversion for the unlicensed wireless service into a standard base station controller interface of the licensed wireless service.
대표청구항
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What is claimed is: 1. A method comprising: a) at a network controller of a first communication network that communicatively couples a plurality of service regions of the first communication network to a second communication network comprising (i) a licensed wireless radio access network and (ii) a
What is claimed is: 1. A method comprising: a) at a network controller of a first communication network that communicatively couples a plurality of service regions of the first communication network to a second communication network comprising (i) a licensed wireless radio access network and (ii) a core network comprising a Mobile Switching Center (MSC), registering a telecommunication device in a particular service region to enable said telecommunication device access to communication services of the core network, wherein the network controller provides said access to the core network through the MSC; and b) after registering the telecommunication device, sending from the network controller a paging message received from the MSC to the particular service region to initiate routing of a communication session from the core network to the particular service region. 2. The method of claim 1 further comprising sending from the network controller a message to the particular service region to cause the establishment of a communication channel between the network controller and the particular service region to facilitate communication services. 3. The method of claim 1, wherein registering comprises receiving an identifier for identifying the telecommunication device at the particular service region. 4. The method of claim 3, wherein the identifier for identifying the telecommunication device comprises an international mobile subscriber identity (IMSI) of the telecommunication device. 5. The method of claim 1, wherein registering the telecommunication device comprises: (a) receiving a registration request message from the particular service region, and (b) sending a registration acknowledgment to the particular service region when the telecommunication device at the particular service region is authorized to access the communication services of the core network. 6. The method of claim 1 further comprising sending the telecommunication device a set of ciphering parameters for encrypting the communication session when a communication session is handed over from the first communication network to the licensed wireless radio access network. 7. The method of claim 1, wherein the network controller transparently passes a set of mobility management (MM) messages between the MSC and the telecommunication device. 8. The method of claim 7, wherein the set of mobility management messages comprises a message specifying a location of the telecommunication device to the core network. 9. The method of claim 1, wherein the network controller transparently passes a set of connection management (CM) messages between the MSC and the telecommunication device. 10. The method of claim 1, wherein the network controller provides signaling interworking functionality that allows for establishing of bearer paths between the MSC and the particular service region. 11. The method of claim 1, wherein the network controller relays call processing and user services between the telecommunication device and the MSC. 12. A method comprising: a) at a network controller of a first communication network that communicatively couples a plurality of service regions of the first communication network to a second communication network comprising (i) a licensed wireless radio access network and (ii) a core network comprising a Mobile Switching Center (MSC), registering a telecommunication device in a particular service region to enable said telecommunication device access to communication services of the core network, wherein the network controller provides said access to the core network through the MSC; b) from the network controller, sending a channel activation message to the particular service region to activate a channel for facilitating said communication services; and c) through an activated channel, receiving at the network controller communication session data from the particular service region for routing to the second communication network. 13. The method of claim 12, wherein the network controller transparently passes a set of mobility management (MM) messages between the MSC and the telecommunication device. 14. The method of claim 13, wherein the set of mobility management messages comprises a message specifying a location of the telecommunication device to the core network. 15. The method of claim 12, wherein the network controller transparently passes a set of connection management (CM) messages between the MSC and the telecommunication device. 16. The method of claim 12, wherein the network controller provides signaling interworking functionality that allows for establishing of bearer paths between the MSC and the particular service region. 17. The method of claim 12, wherein the network controller relays call processing and user services between the telecommunication device and the MSC. 18. A method comprising: a) at a network of a first communication network that communicatively couples a plurality of service regions of the first communication network to a second communication network comprising (i) a licensed wireless radio access network and (ii) a core network comprising a Mobile Switching Center (MSC), registering a telecommunication device in a particular service region of the first communication network to enable said telecommunication device access to communication services of the core network, wherein the network controller provides said access to the core network through the MSC; and b) from the network controller, sending a ciphering mode message to a particular service region, wherein a telecommunication device at the particular service region uses the ciphering mode message to enable ciphering when a communication session is handed over from the first communication network over to the licensed wireless radio access network. 19. The method of claim 18, wherein registering comprises receiving an identifier for identifying the telecommunication device at the particular service region. 20. The method of claim 19, wherein the identifier for identifying the telecommunication device comprises an international mobile subscriber identity (IMSI) of the telecommunication device. 21. The method of claim 18 further comprising receiving a ciphering mode command from the MSC, wherein said ciphering mode command comprises encryption information for enabling ciphering for the telecommunication device. 22. The method of claim 21, wherein the ciphering mode command further comprises an identity request. 23. The method of claim 18, wherein the network controller transparently passes a set of mobility management (MM) messages between the MSC and the telecommunication device. 24. The method of claim 23, wherein the set of mobility management messages comprises a message specifying a location of the telecommunication device to the core network. 25. The method of claim 18, wherein the network controller transparently passes a set of connection management (CM) messages between the MSC and the telecommunication device. 26. The method of claim 18, wherein the network controller provides signaling interworking functionality that allows for establishing of bearer paths between the MSC and the particular service region. 27. The method of claim 18, wherein the network controller relays call processing and user services between the telecommunication device and the MSC. 28. A method comprising: a) at a network controller of a first communication network that communicatively couples a plurality of service regions of the first communication network to a second communication network comprising a licensed wireless radio access network and a core network, receiving a register message sent from a particular service region, the register message for registering a telecommunication device in the particular service region with the first communication network; b) at the network controller, sending a registration acknowledgement message from the network controller to the particular service region when said telecommunication device is authorized to access services of the first communication network; c) after successfully registering the telecommunication device, receiving a location update message at the network controller from the telecommunication device; and d) passing the location update message from the network controller to the core network, said location update message for notifying the core network that said telecommunication device is located in the particular service region enabling the core network to page the telecommunication device. 29. The method of claim 28, wherein the register message comprises a location of the telecommunication device in the second communication network. 30. The method of claim 29, wherein said location of the telecommunication device is identified by at least one of a location area identifier (LAI) of the second communication network and a routing area identifier (RAI) of the second communication network. 31. The method of claim 30, wherein said location of the telecommunication device is further identified by a cell identifier, said LAI and cell identifier for identifying a particular service region of the second communication network last visited by the telecommunication device. 32. The method of claim 28, wherein the network controller and the particular service region are communicatively coupled via a communication link utilizing IP connectivity. 33. The method of claim 28, wherein said register message further includes an identity of the telecommunication device. 34. The method of claim 33, wherein the identity of the telecommunication device comprises an international mobile subscriber identity (IMSI). 35. The method of claim 34, wherein the identity of the telecommunication device further comprises a temporary mobile subscriber identity (TMSI). 36. The method of claim 28 further comprising at the network controller, routing communication session data received from the particular service region to the second communication network. 37. The method of claim 28 further comprising: a) receiving a DEREGISTER message at the network controller; and b) the first communication system releasing any resources assigned to the telecommunication device. 38. The method of claim 28 further comprising enabling the network controller to begin monitoring for page requests from the core network targeted at the telecommunication device after sending the message to notify the core network of the location of the telecommunication device. 39. The method of claim 28, wherein the network controller transparently passes a set of mobility management (MM) messages between the MSC and the telecommunication device. 40. The method of claim 39, wherein the set of mobility management messages comprises the location update message. 41. The method of claim 28, wherein the network controller transparently passes a set of connection management (CM) messages between the MSC and the telecommunication device. 42. The method of claim 28, wherein the network controller provides signaling interworking functionality that allows for establishing of bearer paths between the MSC and the particular service region. 43. The method of claim 28, wherein the network controller relays call processing and user services between the telecommunication device and the MSC. 44. For a network controller of a first communication network that communicatively couples a plurality of service regions of the first communication network to a second communication network comprising a licensed wireless radio access network and a core network, a computer readable medium storing a computer program for execution by the network controller, the computer program comprising: a) a set of instructions for receiving a register message sent from a particular service region, the register message for registering a telecommunication device in the particular service region with the first communication network; b) a set of instructions for sending a registration acknowledgement message from the network controller to the particular service region when said telecommunication device is authorized to access services of the first communication network; c) a set of instructions for receiving a location update message from the telecommunication device; and d) a set of instructions for passing the location update message to the core network, said location update message for notifying the core network that said telecommunication device is located in the particular service region enabling the core network to page the telecommunication device. 45. A method comprising: a) detecting that a telecommunication device enters a particular service region of a first communication network comprising a network controller that communicatively couples each of a plurality of service regions of the first communication network to a second communication network comprising (i) a licensed wireless radio access network and (ii) a core network comprising a Mobile Switching Center (MSC); and b) at the network controller, registering said telecommunication device to enable said telecommunication device access to services of the core network, wherein the network controller provides said access to the core network through the MSC, wherein registering comprises providing a location area identifier (LAI) of the first communication network to the particular service region to facilitate said services. 46. The method of claim 45 further comprising before performing the registration, establishing a first layer for facilitating communications between the particular service region and the network controller, said first layer comprising a secure link with the particular service region. 47. The method of claim 46 further comprising before performing the registration, establishing a second layer over the first layer for facilitating communications, said second layer comprising a TCP session. 48. The method of claim 47, wherein the secure link comprises IP Security (IPSec). 49. The method of claim 45, wherein said detecting that the telecommunication device enters a particular service region comprises, at the network controller, receiving a registration message from the particular service region. 50. The method of claim 49, wherein the registration message comprises a current location of the telecommunication device and an international mobile subscriber identity (IMSI) of the telecommunication device. 51. The method of claim 50, wherein the current location of the telecommunication device comprises a location area identifier (LAI) and a cell identifier for a service region of the second communication network last visited by the telecommunication device. 52. The method of claim 50, wherein the registration message further comprises a temporary mobile subscriber identity (TMSI). 53. The method of claim 50, wherein said registering further comprises sending a registration acknowledgement message from the network controller to the particular service region when said telecommunication device is authorized to access services of the first communication network. 54. The method of claim 45, wherein said registering further comprises providing a routing area identifier (RAI) of the first communication network to the telecommunication device. 55. The method of claim 45, wherein the first communication network is an unlicensed wireless network, wherein the telecommunication device is a dual mode device comprising a first mode for communicating with the licensed wireless radio access network using licensed wireless frequencies and a second mode for communicating with the first communication network using unlicensed wireless frequencies. 56. The method of claim 45, wherein the telecommunication device comprises a device for communicatively coupling to Plain Old Telephone Service (POTS) devices. 57. For a network controller of a first communication network that communicatively couples a plurality of service regions of the first communication network to a second communication network comprising (i) a licensed wireless radio access network and (ii) a core network comprising a Mobile Switching Center (MSC), a computer readable medium storing a computer program for execution by the network controller, the computer program comprising: a) a set of instructions for detecting that a telecommunication device enters a particular service region of the first communication network; and b) a set of instructions for registering said telecommunication device to enable said telecommunication device access to services of the core network, wherein the network controller provides said access to the core network through the MSC, wherein registering comprises providing a location area identifier (LAI) of the first communication network to the particular service region to facilitate said services.
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