Optimization of power consumption for wireless sensor networks

Sheng Tzong Cheng, Jia Shing Shih

研究成果: Conference contribution

摘要

Transmission using excess power not only shortens the lifetime of sensor nodes, but also introduces interference. Packets should ideally be transmitted with moderate power. This work proposes a multi-level power adjustment (MLPA) mechanism for a wireless sensor network to prolong the lifetime of individual nodes and the overall network. An analytical model of the MLPA mechanism with m distinct power levels (m-LPA) is constructed. For 3-LPA, the closed-form expression of the optimal power setting is determined and the mean transmission power is minimized to one third of original fixed power. Besides, we found that average power consumption of our proposed mechanism is 47% higher than original. Thus, each node can extend 2.5 times of life time. And we shown the relations between m and density in simulation result.

原文English
主出版物標題Advances in Electric and Electronics
頁面55-62
頁數8
DOIs
出版狀態Published - 2012 3月 26
事件2012 2nd International Conference on Electric and Electronics, EEIC 2012 - Sanya, China
持續時間: 2012 4月 212012 4月 22

出版系列

名字Lecture Notes in Electrical Engineering
155 LNEE
ISSN(列印)1876-1100
ISSN(電子)1876-1119

Other

Other2012 2nd International Conference on Electric and Electronics, EEIC 2012
國家/地區China
城市Sanya
期間12-04-2112-04-22

All Science Journal Classification (ASJC) codes

  • 工業與製造工程

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