APPARATUS AND METHOD FOR SHARING ASSISTANCE DATA BETWEEN A-GPS TERMINAL AND GPS TERMINAL
First Claim
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1. A method for position determination of a Global Positioning System (GPS) terminal, the method comprising:
- establishing a connection with an Assisted Global Positioning System (A-GPS) terminal;
transmitting an assistance data request message to the A-GPS terminal;
receiving an assistance data response message including assistance data from the A-GPS terminal; and
performing position determination by using the assistance data and GPS position information received from a GPS artificial satellite.
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Abstract
An apparatus and method for sharing assistance data between an Assisted Global Positioning System (A-GPS) terminal and a Global Positioning System (GPS) terminal are provided. The method includes establishing a connection with an A-GPS terminal, transmitting an assistance data request message to the A-GPS terminal, receiving an assistance data response message including assistance data from the A-GPS terminal, and performing position determination by using the assistance data and GPS position information received from a GPS artificial satellite. Accordingly, position determination can be achieved faster.
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Citations
16 Claims
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1. A method for position determination of a Global Positioning System (GPS) terminal, the method comprising:
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establishing a connection with an Assisted Global Positioning System (A-GPS) terminal; transmitting an assistance data request message to the A-GPS terminal; receiving an assistance data response message including assistance data from the A-GPS terminal; and performing position determination by using the assistance data and GPS position information received from a GPS artificial satellite. - View Dependent Claims (2, 3, 4)
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5. A method for transmitting assistance data of an Assisted Global Positioning System (A-GPS) terminal, the method comprising:
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establishing a connection with a Global Positioning System (GPS) terminal; receiving an assistance data request message from the GPS terminal; and transmitting an assistance data response message including assistance data to the GPS terminal. - View Dependent Claims (6, 7, 8)
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9. An apparatus for position determination of a Global Positioning System (GPS) terminal, the apparatus comprising:
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an assistance data acquisition unit for establishing a connection with an Assisted Global Positioning System (A-GPS) terminal, for transmitting an assistance data request message to the A-GPS terminal, and for receiving an assistance data response message including assistance data from the A-GPS terminal; a GPS position information acquisition unit for receiving GPS position information from a GPS artificial satellite; and a position determination unit for performing position determination by using the assistance data and the GPS position information. - View Dependent Claims (10, 11, 12)
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13. An apparatus for transmitting assistance data of an Assisted Global Positioning System (A-GPS) terminal, the apparatus comprising:
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an assistance data acquisition unit for obtaining assistance data by transmitting an assistance data request message to a Service Mobile Location Center (SMLC) and by receiving an assistance data response message from the SMLC, for establishing a connection with a Global Positioning System (GPS) terminal, and upon receiving the assistance data request message from the GPS terminal, for transmitting an assistance data response message including the obtained assistance data to the GPS terminal; a GPS position information acquisition unit for receiving GPS position information from a GPS artificial satellite; and a position determination unit for performing position determination by using the assistance data and the GPS position information. - View Dependent Claims (14, 15, 16)
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Specification