Interface for a GPS system

• US 8,301,375 B2
• Filed: 08/15/2003
• Issued: 10/30/2012
• Est. Priority Date: 08/15/2002
• Status: Active Grant

• Current Assignee: CSR Technology Incorporated (Qualcomm, Inc.)
• Original Assignee: CSR Technology Incorporated (Qualcomm, Inc.)
• Inventors: Chiayee, Steve Chang, Pande, Ashutosh, Garin, Lionel Jacques, Zhang, Gengsheng
• Primary Examiner(s): To, Tuan C.
• Application Number:
  US10/523,669
• Publication Number:
  US 20060036365A1
• Time in Patent Office: 3,364 Days
• Field of Search: 701/468, 342/357.22, 455/3.02, 455/20
• US Class Current: 701/468
• CPC Class Codes: G01S 19/05 providing aiding data
• CPC Class Codes: G01S 19/258 relating to the satellite constellation, e.g. almanac, ephemeris data, lists of satellites in view
• CPC Class Codes: G01S 19/37 Hardware or software details of the signal processing chain
• CPC Class Codes: G01S 5/0236 Assistance data, e.g. base station almanac

Abstract

A protocol independent interface for processing, within a mobile device, protocol aiding data received at a call processor with a Global Positioning System (“GPS”) interface, where the protocol aiding data is produced according to a Geolocation Server Station protocol is disclosed. The protocol independent interface may include a means for receiving, at the GPS interface, the protocol aiding data received at the call processor, means for converting the received protocol aiding data to interface data that is transparent to the Geolocation Server Station protocol, and means for passing the interface data to a GPS module.

Claims

1. A method for processing, within a Mobile device, protocol aiding data received at a call processor with a Global Positioning System (“

GPS”

) interface, where the protocol aiding data is produced according to a Geolocation Server Station protocol, the method comprising;

receiving, at the GPS interface, the protocol aiding data received at the call processor;

converting the received protocol aiding data to interface data that is transparent to the Geolocation Server Station protocol; and

passing the transparent interface data to a GPS module.

2. The method of claim 1, further including packing the transparent interface data into a message format before passing the transparent interface data to the GPS module.

3. The method of claim 1, wherein the call processor receives the protocol aiding data from a base station.

4. The method of claim 3, wherein a Geolocation Server Station produces the protocol aiding data.

5. The method of claim 4, wherein the Geolocation Server Station utilizes a Code Division Multiple Access (“

CDMA”

) protocol to produce the protocol aiding data.

6. The method of claim 5, wherein the protocol is IS-801.

7. The method of claim 5, wherein the protocol is Universal Mobile Telecommunication System (“

UMTS”

).

8. The method of claim 5, wherein the protocol is CDMA 2000.

9. The method of claim 4, wherein the Geolocation Server Station utilizes a Global System for Mobile Communication (“

GSM”

) protocol to produce the protocol aiding data.

10. The method of claim 4, wherein the Geolocation Server Station utilizes a General Packet Radio Service (“

GPRS”

) protocol to produce the protocol aiding data.

11. The method of claim 4, wherein the Geolocation Server Station utilizes a Time Division Multiple Access (“

TDMA”

) protocol to produce the protocol aiding data.

12. The method of claim 4, wherein the Geolocation Server Station utilizes a BlueTooth®

protocol to produce the protocol aiding data.

13. The method of claim 4, wherein the Geolocation Server Station utilizes an IEEE 802.11 protocol to produce the protocol aiding data.

14. The method of claim 1, further including utilizing the protocol aiding data for GPS acquisition.

15. The method of claim 1, further including utilizing the protocol aiding data for calculating the location of the mobile device.

16. The method of claim 1, further including utilizing the protocol aiding data for improving the sensitivity of the GPS module.

17. The method of claim 1, wherein passing the transparent interface data to a GPS module includes passing the transparent interface data via a RS232 link.

18. A method for processing, within a mobile device, protocol aiding data received at a call processor with a Global Positioning System (“

GPS”

) interface, where the protocol aiding data is produced according to a Geolocation Server Station protocol, the method comprising;

receiving, at the GPS interface, the protocol aiding data received at the call processor;

passing the interface data to a GPS module; and

converting the received protocol aiding data to interface data that is transparent to the Geolocation Server Station protocol.