@INPROCEEDINGS {34909,
author={H. R. Chi​ and F.  Hung and B.  Li and K.  Tsang},
doi={},
booktitle={Annual Conference of the IEEE Industrial Electronics Society (IECON)},
title={Sensors Positioning in Outdoor Environment with Signal Strength},
year={2014},
month={October},
volume={},
pages={-} 
}