| 发明名称 |
FIELD MEASUREMENT COMPENSATION |
| 摘要 |
A system and method of locating a key are disclosed. The key is configured to communicate with a base station through a plurality of antennas that are coupled to the base station. The method includes turning off each of the plurality of antennas, turning on one of the plurality of antennas, measuring a first received signal strength, turning off the one of the plurality of antennas and measuring a second received signal strength. The key is determined to be located within a predefined area if the difference between the first received signal strength and the second received signal strength is above a preset threshold. |
| 申请公布号 |
US2015321643(A1) |
申请公布日期 |
2015.11.12 |
| 申请号 |
US201414270954 |
申请日期 |
2014.05.06 |
| 申请人 |
NXP B.V. |
发明人 |
Nowottnick Juergen;Rudolph Thomas Klaus;Pilsak Tobias |
| 分类号 |
B60R25/24;H04W24/08;H04W88/08;H04W4/00;H04L29/08 |
主分类号 |
B60R25/24 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method of locating a key, the key is configured to communicate with a base station through a plurality of antennas that are coupled to the base station, the method comprising:
turning off each of the plurality of antennas; turning on one of the plurality of antennas; measuring a first received signal strength; turning off the one of the plurality of antennas; measuring a second received signal strength; and allowing an operation to be performed if a difference between the first received signal strength and the second received signal strength is above a preset threshold. |
| 地址 |
Eindhoven NL |
