发明名称 |
METHOD AND APPARATUS FOR PROVIDING LOCATION INFORMATION OF MOBILE TERMINAL |
摘要 |
The present invention provides a method and apparatus for providing location information of a mobile terminal, which help to shorten the time for determining an anonymous area of a user. The present invention also aims at reducing the size of the anonymous space area as much as possible so as to ensure the quality of a location-based service. The method for providing location information of a mobile terminal in the present invention comprises: acquiring information about space division from a server, the space division meaning that a specified space is divided into grids with preset side lengths, and acquiring the numbers of mobile terminals in the grids from the server; determining a grid where a mobile terminal is currently located according to the information about the space division; for the grid where the mobile terminal is currently located, determining whether the area of the grid and/or the number of mobile terminals in the grid reaches a preset value, and if yes, providing an identifier of the grid to the server; otherwise, merging the grid with grids near the grid until the area of the multiple merged grids and/or the number of mobile terminals in the grids reaches the preset value, and providing identifiers of the multiple grids to the server. |
申请公布号 |
US2017026793(A1) |
申请公布日期 |
2017.01.26 |
申请号 |
US201515124855 |
申请日期 |
2015.02.17 |
申请人 |
BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO, LTD. ;BEIJING JINGDONG CENTURY TRADING CO., LTD. |
发明人 |
ZHANG Yuhan |
分类号 |
H04W4/02;H04W12/02 |
主分类号 |
H04W4/02 |
代理机构 |
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代理人 |
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主权项 |
1. A method for providing location information of a mobile terminal, characterized by comprising:
acquiring information of space division from a server, the space division referring that a specified space is divided into grids with a preset length of sides, and acquiring a number of mobile terminals in each of the grids from the server; determining the grid where the mobile terminal is currently located in accordance with the information of the space division; deciding, for the grid where the mobile terminal is currently located, whether the area of the grid and/or the number of the mobile terminals therein reaches a preset value, and if yes, providing an identifier of the grid to the server; otherwise merging the grid with grids near the grid until the area of the multiple merged grids and/or the number of the mobile terminals therein reaches the preset value, and then providing identifiers of the multiple grids to the server. |
地址 |
Haidian District, Beijing CN |