Patent ID: 9507025
Filing Date: 2016-11-29
CPC Classification: G01S,H04W

Claim Text:
1. A global positioning system (GPS) positioning method for a mobile terminal, the method comprising: acquiring, by the mobile terminal, an ephemeris information before GPS positioning is started; after GPS positioning is started, acquiring, by the mobile terminal, a first cell identifier of a first cell in which the mobile terminal is located; acquiring by the mobile terminal, according to the first cell identifier, a first latitude and longitude information corresponding to the first cell identifier from a correspondence table stored on the mobile terminal, wherein the correspondence table comprises a cell identifier and a latitude and longitude information corresponding to the cell identifier; and after acquiring the ephemeris information by the mobile terminal, using the first latitude, longitude information and the ephemeris information, along with a time information that is acquired in advance, performing, by the mobile terminal, the GPS positioning by using a GPS receiver of the mobile terminal.