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An Experimental Study for Optimal RF Output Power Estimation of Wireless Sensor Network  

Yee, Jurng-Jae (Department of Architectural Engineering, Dong-A University)
Choi, Seok-Yong (Clean tech Corporation)
Cho, Soo (Korea Institute of Energy Research)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.21, no.8, 2009 , pp. 462-467 More about this Journal
Abstract
Researches and developments on BEMS are performed world-widely through sustainable management in various conditions. However, there are many obstacles to adapt the system in existing buildings because it needs highly expensive equipments, which are designed for newly built buildings, to install. Therefore, there are numerous limits exist when applying the BEMS in established buildings. The purpose of this study estimates the optimization of RF output power in WSN(Wireless Sensor Networks), which is the essential technology to develop PEMS. The results of this study is as follows ; 1) Applying WSN technique in buildings was possible. 2) As RF output power increases, the number of relay node reduced, therefore, the WSN showed more stability. 3) When estimating optimal RF output power in school, it should be considered between the number of relay node and RF output power. 4) Considering battery consumption and possibility of reception, the best suited RF output power is -20dbm in apartment house.
Keywords
Portable environment monitoring system; Wireless sensor network; RF output power;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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