Intra-service number portability in wireless network

• US 20050143075A1
• Filed: 12/24/2003
• Published: 06/30/2005
• Est. Priority Date: 12/24/2003
• Status: Active Grant

• Current Assignee: RPX Corporation
• Original Assignee: Lucent Technologies, Inc. (Nokia Corporation)
• Inventors: Halsell, Victoria M.
• Granted Patent: US 7,142,862 B2
• Time in Patent Office: Days
• US Class Current: 455/445
• CPC Class Codes: H04W 8/10 between location register and external networks
• CPC Class Codes: H04W 8/28 Number portability ; Network address portability
• CPC Class Codes: H04W 88/18 Service support devices; Network management devices

Abstract

A method of relating a dialed number to a new mobile station in a wireless network is provided. The dialed number is associated with a first mobile switching center, the new mobile station is associated with a second mobile switching center, and wireless service to the first and second mobile switching centers is provided by a common wireless service provider. The method includes: receiving a return result from a first home location register without location information, querying a second home location register, receiving a return result from the second home location register including location information, and communicating temporary routing and location information to a switch associated with the calling party. In another embodiment, the method also includes: pausing an inter-service number portability query process within the first mobile switching center. In another embodiment, a wireless network for relating the dialed number to the new mobile station is provided.

Claims

1. A method of relating a dialed number to a new mobile station in a wireless network for an incoming call from a calling party using a calling party device to a called party using the new mobile station, wherein the dialed number is associated with a first mobile switching center, the new mobile station is associated with a second mobile switching center, and wireless service to the first and second mobile switching centers is provided by a common wireless service provider, the method including the steps:

a) receiving a return result from a first home location register associated with the first mobile switching center in response to querying the first home location register for location information associated with the dialed number, wherein the return result does not include the location information;

b) querying a second home location register associated with the second mobile switching center for location information associated with the dialed number;

c) receiving a return result from the second home location register, wherein the return result includes the location information, wherein the location information is associated with the new mobile station; and

d) communicating temporary routing and location information associated with the new mobile station to a switch associated with the calling party.

2. The method set forth in claim 1 wherein the new mobile station is a 3G mobile station and the first mobile switching center is a 2G mobile switching center.

3. The method set forth in claim 2 wherein the second mobile switching center is a 3G mobile switching center.

4. The method set forth in claim 1 wherein the first mobile switching center is a type selected from the group of a TDMA type, a CDMA type, a GSM type, and a UMTS type.

5. The method set forth in claim 4 wherein the second mobile switching center is a type selected from the group of a TDMA type, a CDMA type, a GSM type, and a UMTS type, wherein the second mobile switching center is a different type than the first mobile switching and the new mobile station is the same type as the second mobile switching center.

6. The method set forth in claim 1, between steps a) and b), further including the step:

e) pausing an inter-service number portability query process within the first mobile switching center.

7. The method set forth in claim 1, between steps a) and b), further including the step:

e) determining the dialed number is an intra-service ported number and identifying the second mobile switching center as a ported mobile switching center.

8. A method of relating a dialed number to a new mobile station in a wireless network for an incoming call from a calling party using a calling party device to a called party using the new mobile station, wherein the dialed number is associated with a first mobile switching center, the new mobile station is associated with a second mobile switching center, and wireless service to the first and second mobile switching centers is provided by a common wireless service provider, the method including the steps:

a) pausing an inter-service number portability query process within the first mobile switching center;

b) querying a home location register associated with the second mobile switching center for location information associated with the dialed number;

c) receiving a return result from the home location register, wherein the return result includes the location information, wherein the location information is associated with the new mobile station; and

d) communicating temporary routing and location information associated with the new mobile station to a switch associated with the calling party.

9. The method set forth in claim 8, between steps a) and b), further including the step:

e) determining the dialed number is an intra-service ported number and identifying the second mobile switching center as a ported mobile switching center.

10. A wireless network for relating a dialed number to a new mobile station for an incoming call from a calling party using a calling party device to a called party using the new mobile station, wherein wireless service to the dialed number and the new mobile station is provided by a common wireless service provider, the wireless network including:

a first mobile switching center receiving the incoming call and including a location query logic and an intra-service number portability query logic, wherein the first mobile switching center is associated with the dialed number;

a first home location register in communication with the location query logic, wherein the first home location register is associated with the dialed number;

a second mobile switching center associated with the new mobile station; and

a second home location register in communication with the intra-service number portability query logic, wherein the second home location register is associated with the new mobile station and the second mobile switching center;

wherein the intra-service number portability query logic queries the second home location register for location information associated with the dialed number;

wherein the second home location register provides a return result to the first mobile switching center, wherein the return result includes the location information and the location information is associated with the new mobile station; and

wherein the first mobile switching center communicates temporary routing and location information to a switch associated with the calling party.

11. The wireless network set forth in claim 10 wherein the location query logic queries the first home location register for location information associated with the dialed number, wherein the first home location register provides a return result to the first mobile switching center, wherein the return result does not include the location information.

12. The wireless network set forth in claim 10, the first mobile switching center further including:

an intra-service ported number monitor logic in communication with the intra-service number portability query logic; and

the wireless network further including;

an intra-service ported number database in communication with the intra-service ported number monitor logic;

wherein the intra-service ported number database queries the intra-service ported number database to determine if the dialed number number is an intra-service ported number and, if so, to identify the second home location register in relation to the intra-service ported number.

13. The wireless network set forth in claim 10, the first mobile switching center further including:

an inter-service number portability query logic in communication with the intra-service number portability query logic; and

the wireless network further including;

a number portability database in communication with the inter-service number portability query logic;

wherein the inter-service number portability query logic is paused until the first and second home location registers provide return results in response to queries for location information associated with the dialed number that do not include the location information.

14. The wireless network set forth in claim 10 wherein the mobile station is a 3G mobile station and the first mobile switching center is a 2G mobile switching center.

15. The wireless network set forth in claim 14 wherein the second mobile switching center is a 3G mobile switching center.

16. The wireless network set forth in claim 10 wherein the first mobile switching center is a type selected from the group of a TDMA type, a CDMA type, a GSM type, and a UMTS type.

17. The wireless network set forth in claim 16 wherein the second mobile switching center is a different type than the first mobile switching and is a type selected from the group of a TDMA type, a CDMA type, a GSM type, and a UMTS type, wherein the mobile station is the same type as the second mobile switching center.

18. A wireless network for relating a dialed number to a new mobile station for an incoming call from a calling party using calling party device to a called party using the new mobile station, wherein wireless service to the dialed number and the new mobile station is provided by a common wireless service provider, the wireless network including:

means for receiving a return result from a first home location register in response to querying the first home location register for location information associated with the dialed number, wherein the return result does not include the location information;

means for querying a second home location register for location information associated with the mobile station, wherein the second home location register is associated with the dialed number and the new mobile station;

means for receiving a result from the second home location register, wherein the return result includes the location information, wherein the location information is associated with the new mobile station; and

means for communicating temporary routing and location information associated with the mobile station to a switch associated with the calling party.

19. The wireless network as set forth in claim 18, further including:

means for pausing an inter-service number portability query process within the first mobile switching center.

20. The wireless network as set forth in claim 18, further including:

means for determining the dialed number is an intra-service ported number and identifying the second mobile switching center as a ported mobile switching center.