| 发明名称 |
A METHOD FOR PRESERVING PRIVACY WITHIN A COMMUNICATION SYSTEM AND AN ACCORDING COMMUNICATION SYSTEM |
| 摘要 |
A method for preserving privacy within a communication system, wherein a location-based service concerning an area of interest is provided for at least one user by a database server and wherein location information represented by coordinates of objects and/or users and/or areas and/or queries, made to the location-based service, is concealed, includes concealing the location information by transforming coordinates by first splitting the area of interest up in tiles for providing at least one tiling of the area of interest, and then permuting the tiles by a pseudo-random permutation process. |
| 申请公布号 |
US2016309322(A1) |
申请公布日期 |
2016.10.20 |
| 申请号 |
US201315101491 |
申请日期 |
2013.12.05 |
| 申请人 |
NEC EUROPE LTD. |
发明人 |
Bohli Jens-Matthias;Karame Ghassan;Li Wenting;Dobre Dan |
| 分类号 |
H04W12/02;H04W4/02;G06F21/60 |
主分类号 |
H04W12/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method for preserving privacy within a communication system wherein a location-based service concerning an area of interest is provided for at least one user by a database server and wherein location information represented by coordinates of objects and/or users and/or areas and/or queries, made to the location-based service, is concealed, comprises:
concealing the location information by transforming coordinates by:
first splitting the area of interest up in tiles for providing at least one tiling of the area of interest, andthen permuting the tiles by a pseudo-random permutation process. |
| 地址 |
Heidelberg DE |
