System and method for accelerating network selection by a wireless user equipment (UE) device using satellite-based positioning system

• US 20070004404A1
• Filed: 07/01/2005
• Published: 01/04/2007
• Est. Priority Date: 07/01/2005
• Status: Abandoned Application

• Current Assignee: Malikie Innovations Limited (Key Patent Innovations Limited)
• Original Assignee: Blackberry Limited
• Inventors: Buckley, Adrian, Henderson, Gregory
• Application Number:
  US11/173,040
• Publication Number:
  US 20070004404A1
• Time in Patent Office: Days
• US Class Current: 455/434
• CPC Class Codes: H04W 48/16 Discovering, processing access restriction or access information
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

A system and method for accelerating network selection by a wireless user equipment (UE) device without having to perform a full band scan (FBS). In one exemplary embodiment, the wireless UE device is operable to determine its location using a satellite-based positioning system such as GPS. Based on determining that the wireless UE device is in a particular area defined by a set of corners, a subset of appropriate frequency data is determined for selective scanning by the wireless UE device. Using the subset of appropriate frequency data, a selective scanning is performed for locating a network by the wireless UE device.

Claims

10. A system for accelerating network selection by a wireless user equipment (UE) device, comprising:

means for determining said wireless UE device'"'"'s location by using a satellite-based positioning system;

means for determining if said wireless UE device'"'"'s location is within an area defined by a plurality of corners, each corner being defined as a longitude coordinate and a latitude coordinate;

means for selecting, based on determining that said wireless UE device'"'"'s location is within a particular area, a subset of appropriate frequency data for selective scanning by said wireless UE device; and

means for locating a network via selective scanning by said wireless UE device using said subset of appropriate frequency data.

11. The system for accelerating network selection by a wireless UE device as recited in claim 10, wherein said selective scanning is performed as an initial scan procedure.

12. The system for accelerating network selection by a wireless UE device as recited in claim 10, wherein said selective scanning is performed as a background scan procedure.

13. The system for accelerating network selection by a wireless UE device as recited in claim 10, wherein said selective scanning is performed upon losing coverage of a network with which said wireless UE device was previously registered.

14. The system for accelerating network selection by a wireless UE device as recited in claim 10, wherein said selective scanning is performed upon power-up.

15. The system for accelerating network selection by a wireless UE device as recited in claim 10, wherein said selective scanning is effectuated in a frequency band compliant with at least one of a Wireless Local Area Network (WLAN) standard selected from:

IEEE 802.11b standard, IEEE 802.11a standard, IEEE 802.11g standard, HiperLan standard, HiperLan II standard, Wi-Max standard, OpenAir standard, and Bluetooth standard.

16. The system for accelerating network selection by a wireless UE device as recited in claim 10, wherein said selective scanning is effectuated in a frequency band compliant with at least one of a General Packet Radio Service (GPRS) network, an Enhanced Data Rates for Global System for Mobile Communications (GSM) Evolution (EDGE) network, a 3^rd Generation Partnership Project (3GPP)-compliant network, an Integrated Digital Enhanced Network (IDEN), a Code Division Multiple Access (CDMA) network, a Universal Mobile Telecommunications System (UMTS) network, and a Time Division Multiple Access (TDMA) network.

17. The system for accelerating network selection by a wireless UE device as recited in claim 10, further comprising:

means for applying a prioritization scheme to facilitate selection of a particular network for service if multiple networks are located by said wireless UE device via selective scanning.

18. The system for accelerating network selection by a wireless UE device as recited in claim 10, further comprising:

means for manually choosing a particular network for service if multiple networks are located by said wireless UE device via selective scanning.

19. A wireless user equipment (UE) device, comprising:

a receiver operable to facilitate determination of said wireless UE device'"'"'s location by using signaling from a satellite-based positioning system;

a logic structure for determining if said wireless UE device'"'"'s location is within an area defined by a plurality of corners, each corner being defined as a longitude coordinate and a latitude coordinate;

a logic structure for selecting, based on determining that said wireless UE device'"'"'s location is within a particular area, a subset of appropriate frequency data for selective scanning by said wireless UE device; and

a logic structure for locating a network via selective scanning by said wireless device using said subset of appropriate frequency data.

20. A method for accelerating network selection by a wireless user equipment (UE) device, comprising:

providing a modified data channel associated with a satellite-based positioning system (SBPS) from a repeater to said wireless UE device, said modified data channel including frequency data relating to available networks;

upon receiving said modified data channel, decoding said modified data channel by said wireless UE device to determine a subset of appropriate frequency data for selective scanning; and

locating a network for service by said wireless UE device via selective scanning using said subset of appropriate frequency data.

21. The method for accelerating network selection by a wireless UE device as recited in claim 20, wherein said modified data channel further includes local wireless carrier information.

22. The method for accelerating network selection by a wireless UE device as recited in claim 20, wherein said selective scanning is performed as an initial scan procedure.

23. The method for accelerating network selection by a wireless UE device as recited in claim 20, wherein said selective scanning is performed as a background scan procedure.

24. The method for accelerating network selection by a wireless UE device as recited in claim 20, wherein said selective scanning is performed upon losing coverage of a network with which said wireless UE device was previously registered.

25. The method for accelerating network selection by a wireless UE device as recited in claim 20, wherein said selective scanning is performed upon power-up.

26. The method for accelerating network selection by a wireless UE device as recited in claim 20, wherein said selective scanning is effectuated in a frequency band compliant with at least one of a Wireless Local Area Network (WLAN) standard selected from:

IEEE 802.11b standard, IEEE 802.11a standard, IEEE 802.11g standard, HiperLan standard, HiperLan II standard, Wi-Max standard, OpenAir standard, and Bluetooth standard.

27. The method for accelerating network selection by a wireless UE device as recited in claim 20, wherein said selective scanning is effectuated in a frequency band compliant with at least one of a General Packet Radio Service (GPRS) network, an Enhanced Data Rates for Global System for Mobile Communications (GSM) Evolution (EDGE) network, a 3^rd Generation Partnership Project (3GPP)-compliant network, an Integrated Digital Enhanced Network (IDEN), a Code Division Multiple Access (CDMA) network, a Universal Mobile Telecommunications System (UMTS) network, and a Time Division Multiple Access (TDMA) network.

28. A wireless user equipment (UE) device operable to accelerate network selection, comprising:

means for decoding a modified data channel broadcast from a satellite-based positioning system (SBPS) repeater to said wireless UE device, said modified data channel including frequency data relating to available networks;

means for determining a subset of appropriate frequency data for selective scanning; and

means for locating a network for service via selective scanning using said subset of appropriate frequency data.

29. A removable storage module (RSM) operable to be coupled to a wireless device, comprising:

a database structure populated with a plurality of geographic areas, each being identified with a set of corners that are specified in terms of longitude and latitude coordinates, wherein each geographic area is associated with a corresponding frequency data item operable to be downloaded to said wireless device; and

a logic application operable for downloading to said wireless device a particular frequency data item responsive to receiving a location indication indicative of said wireless device'"'"'s position, said particular frequency data item for modulating said wireless device'"'"'s scanning behavior, wherein said particular frequency data item is determined by determining in which geographic area said wireless device'"'"'s position is located.

1. A method for accelerating network selection by a wireless UE device, comprising:

determining said wireless UE device'"'"'s location by using a satellite-based positioning system;

determining if said wireless UE device'"'"'s location is within an area defined by a plurality of corners, each corner being defined as a longitude coordinate and a latitude coordinate;

based on determining that said wireless UE device'"'"'s location is within a particular area, applying a subset of appropriate frequency data for selective scanning by said wireless UE device; and

locating a network via selective scanning by said wireless UE device using said subset of appropriate frequency data.

2. The method for accelerating network selection by a wireless UE device as recited in claim 1, wherein said selective scanning is performed as an initial scan procedure.

3. The method for accelerating network selection by a wireless UE device as recited in claim 1, wherein said selective scanning is performed as a background scan procedure.

4. The method for accelerating network selection by a wireless UE device as recited in claim 1, wherein said selective scanning is performed upon losing coverage of a network with which said wireless UE device was previously registered.

5. The method for accelerating network selection by a wireless UE device as recited in claim 1, wherein said selective scanning is performed upon power-up.

6. The method for accelerating network selection by a wireless UE device as recited in claim 1, wherein said selective scanning is effectuated in a frequency band compliant with at least one of a Wireless Local Area Network (WLAN) standard selected from:

IEEE 802.11b standard, IEEE 802.11a standard, IEEE 802.11g standard, HiperLan standard, HiperLan II standard, Wi-Max standard, OpenAir standard, and Bluetooth standard.

7. The method for accelerating network selection by a wireless UE device as recited in claim 1, wherein said selective scanning is effectuated in a frequency band compliant with at least one of a General Packet Radio Service (GPRS) network, an Enhanced Data Rates for Global System for Mobile Communications (GSM) Evolution (EDGE) network, a 3^rd Generation Partnership Project (3GPP)-compliant network, an Integrated Digital Enhanced Network (IDEN), a Code Division Multiple Access (CDMA) network, a Universal Mobile Telecommunications System (UMTS) network, and a Time Division Multiple Access (TDMA) network.

8. The method for accelerating network selection by a wireless UE device as recited in claim 1, further comprising:

if multiple networks are located by said wireless UE device via selective scanning, applying a prioritization scheme for choosing a particular network for service.

9. The method for accelerating network selection by a wireless UE device as recited in claim 1, further comprising:

if multiple networks are located by said wireless UE device via selective scanning, manually choosing a particular network for service.

30. The RSM operable to be coupled to a wireless device as recited in claim 29, wherein said particular frequency data item comprises one of a frequency band, a specific frequency channel, and a range of frequencies that are allowed for scanning by said wireless device.

31. The RSM operable to be coupled to a wireless device as recited in claim 29, wherein said particular frequency data item comprises one of a frequency band, a specific frequency channel, and a range of frequencies that are prohibited for scanning by said wireless device.

32. The RSM operable to be coupled to a wireless device as recited in claim 29, further comprising at least one additional database structure populated with one or more WLAN lists operable to be downloaded to said wireless device.

31-1. The RSM operable to be coupled to a wireless device as recited in claim 29, further comprising at least one additional database structure populated with one or more PLMN lists operable to be downloaded to said wireless device.