发明名称 |
Transmission power control method and system |
摘要 |
A transmitting power level control method and system are provided, whereby the power of a terminal device in a wireless sensor network is saved and the lifetime thereof is extended. The control method includes the steps of: (A) broadcasting a plurality of transmitting power level (TPL) messages, each of which represents a respective TPL and the respective TPLs are different from one another, wherein each of the plurality of TPL messages is broadcasted at the respective TPL thereof; and (B) setting a TPL for the terminal device at a minimum one of the TPLs represented by the TPL messages received by the terminal device. |
申请公布号 |
US8218475(B2) |
申请公布日期 |
2012.07.10 |
申请号 |
US20090411857 |
申请日期 |
2009.03.26 |
申请人 |
LEE JIN-SHYAN;CHUANG CHUN-CHIEH;INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
发明人 |
LEE JIN-SHYAN;CHUANG CHUN-CHIEH |
分类号 |
H04B7/185;H04B7/00;H04W4/00 |
主分类号 |
H04B7/185 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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