Assisted positioning method and apparatus

1. An assisted positioning method, wherein a user equipment is connected to a global positioning system (GPS) device having an assisted global positioning system (A-GPS) function, and wherein the method comprises:

detecting, by the user equipment, that the GPS device enables a GPS function;

automatically sending, by the user equipment, an A-GPS indication message to the GPS device when the GPS device enables the GPS function such that the GPS device simultaneously enables both the GPS function and the A-GPS function, wherein the A-GPS indication message instructs the GPS device to enable the A-GPS function;

sending, by the user equipment, A-GPS configuration parameter information to the GPS device, wherein the A-GPS configuration parameter information is used by the GPS device to implement the A-GPS function, and wherein the A-GPS configuration parameter information comprises information about a cell in which the user equipment is located; and

receiving, by the user equipment, positioning information from the GPS device,

wherein the single GPS device simultaneously provides the positioning information obtained using the GPS function and the A-GPS function,

wherein the GPS function provides satellite positioning information, and

wherein the A-GPS function provides information about a base station currently serving the user equipment.

2. The method according to claim 1 , wherein the method farther comprises dialing up, by the user equipment, according to a notification of the GPS device, to establish a network connection after sending, by the user equipment, the A-GPS indication message to the GPS device, wherein the network connection is used by the GPS device to implement the A-GPS function.

3. The method according to claim 1 , wherein the user equipment acquires the satellite positioning information by a GPS protocol stack according to the A-GPS function when a satellite signal is weak to ensure accuracy of the satellite positioning information.

4. The method according to claim 1 , wherein the user equipment and the GPS device are integrated into a single mobile device, and wherein the single mobile device comprises a WINDOWS operating system.

5. An assisted positioning method, wherein a global positioning system (GPS) device has an assisted global positioning system (A-GPS) function, wherein the GPS device is connected to a user equipment, and wherein the method comprises:

enabling, by the GPS device, a GPS function;

acquiring, by the GPS device, an A-GPS indication message from the user equipment;

acquiring, by the GPS device, A-GPS configuration parameter information from the user equipment, wherein the A-GPS configuration parameter information is used by the GPS device to implement the A-GPS function, and wherein the A-GPS configuration parameter information comprises information about a cell in which the user equipment is located;

automatically enabling, by the GPS device, the A-GPS function according to the A-GPS indication message when the GPS device enables the GPS function such that the GPS device simultaneously enables both the GPS function and the A-GPS function;

simultaneously acquiring, by the single GPS device, positioning information obtained using the GPS function and the A-GPS function, wherein the GPS function provides satellite positioning information, and wherein the A-GPS function provides information about a base station currently serving the user equipment; and

sending, by the GPS device, the positioning information to the user equipment.

6. The method according to claim 5 , wherein before enabling, by the GPS device, the A-GPS function, the method further comprises:

determining, by the GPS device, a current network connection state; and

dialing up, by the GPS device, to establish a network connection when the GPS device is not connected to a network, wherein the network connection is used by the GPS device to implement the A-GPS function.

7. The method according to claim 5 , wherein before enabling, by the GPS device, the A-GPS function, the method further comprises:

determining, by the GPS device, a current network connection state; and

instructing, by the GPS device, the user equipment to dial up, to establish a network connection when the GPS device is not connected to a network, wherein the network connection is used by the GPS device to implement the A-GPS function.

8. The method according to claim 5 , wherein the user equipment acquires the satellite positioning information by a GPS protocol stack according to the A-GPS function when a satellite signal is weak to ensure accuracy of the satellite positioning information.

9. The method according to claim 5 , wherein the user equipment and the GPS device are integrated into a single mobile device, and wherein the single mobile device comprises a WINDOWS operating system.

10. A user equipment, wherein the user equipment is connected to a global positioning system (GPS) device having an assisted global positioning system (A-GPS) function, and wherein the user equipment comprises:

a non-transitory computer readable medium having instructions stored thereon; and

a computer processor coupled to the non-transitory computer readable medium and configured to execute the instructions to:

detect that the GPS device enables a GPS function;

automatically send an A-GPS indication message to the GPS device when the GPS device enables the GPS function such that the GPS device simultaneously enables both the GPS function and the A-GPS function, wherein the A-GPS indication message instructs the GPS device to enable the A-GPS function;

send A-GPS configuration parameter information to the GPS device, wherein the A-GPS configuration parameter information is used by the GPS device to implement the A-GPS function, and wherein the A-GPS configuration parameter information comprises information about a cell in which the user equipment is located; and

receive positioning information from the GPS device,

wherein the single GPS device simultaneously provides the positioning information obtained using the GPS function and the A-GPS function,

wherein the GPS function provides satellite positioning information, and

wherein the A-GPS function provides information about a base station currently serving the user equipment.

11. The user equipment according to claim 10 , wherein the computer processor is further configured to execute the instructions to dial up according to a notification of the GPS device, to establish a network connection after the user equipment sends the A-GPS indication message to the GPS device, wherein the network connection is used by the GPS device to implement the A-GPS function.

12. The user equipment according to claim 10 , wherein the user equipment acquires the satellite positioning information by a GPS protocol stack according to the A-GPS function when a satellite signal is weak to ensure accuracy of the satellite positioning information.

13. The user equipment according to claim 10 , wherein the user equipment and the GPS device are integrated into a single mobile device, and wherein the single mobile device comprises a WINDOWS operating system.

14. A global positioning system (GPS) device, wherein the GPS device has an assisted global positioning system (A-GPS) function, wherein the GPS device is connected to a user equipment, and wherein the GPS device comprises:

a non-transitory computer readable medium having instructions stored thereon; and

a computer processor coupled to the non-transitory computer readable medium and configured to execute the instructions to:

enable a GPS function;

acquire an A-GPS indication message from the user equipment;

receive A-GPS configuration parameter information sent by the user equipment, wherein the A-GPS configuration parameter information is used by the GPS device to implement the A-GPS function, and wherein the A-GPS configuration parameter information comprises information about a cell in which the user equipment is located;

automatically enable the A-GPS function according to the A-GPS indication message when the GPS device enables the GPS function such that the GPS device simultaneously enables both the GPS function and the A-GPS function;

simultaneously acquire, by the single GPS device, positioning information using the GPS function and the A-GPS function, wherein the GPS function provides satellite positioning information, and wherein the A-GPS function provides information about a base station currently serving the user equipment; and

send the positioning information to the user equipment.

15. The GPS device according to claim 14 , wherein the computer processor is further configured to execute the instructions to:

determine a current network connection state before the A-GPS function is enabled; and

dial up to establish a network connection when the GPS device is not connected to a network, wherein the network connection is used by the GPS device to implement the A-GPS function.

16. The GPS device according to claim 14 , wherein the computer processor is further configured to execute the instructions to:

determine a current network connection state before the GPS device enables the A-GPS function; and

instruct the user equipment to dial up, to establish a network connection when the GPS device is not connected to a network, wherein the network connection is used by the GPS device to implement the A-GPS function.

17. The GPS device according to claim 14 , wherein the user equipment acquires the satellite positioning information by a GPS protocol stack according to the A-GPS function when a satellite signal is weak to ensure accuracy of the satellite positioning information.

18. The GPS device according to claim 14 , wherein the user equipment and the GPS device are integrated into a single mobile device, and wherein the single mobile device comprises a WINDOWS operating system.