Combined human, antenna orientation in elevation direction and ground effect on RSSI in wireless sensor networks

Syed Hassan Ahmed, Safdar H. Bouk, N. Javaid, Iwao Sasase

研究成果: Conference contribution

9 被引用数 (Scopus)

抄録

In this paper, we experimentally investigate the combined effect of human, antenna orientation in elevation direction and the ground effect on the Received Signal Strength Indicator (RSSI) parameter in the Wireless Sensor Network (WSN). In experiment, we use MICAz motes and consider different scenarios where antenna of the transmitter node is tilted in elevation direction. The motes were placed on the ground to take into account the ground effect on the RSSI. The effect of one, two and four persons on the RSSI is recorded. For one and two persons, different walking paces e.g. slow, medium and fast pace, are analysed. However, in case of four persons, random movement is carried out between the pair of motes. The experimental results show that some antenna orientation angles have drastic effect on the RSSI, even without any human activity. The fluctuation count and range of RSSI in different scenarios with same walking pace are completely different. Therefore, an efficient human activity algorithm is need that effectively takes into count the antenna elevation and other parameters to accurately detect the human activity in the WSN deployment region.

本文言語English
ホスト出版物のタイトルProceedings - 10th International Conference on Frontiers of Information Technology, FIT 2012
ページ46-49
ページ数4
DOI
出版ステータスPublished - 2012 12 1
イベント10th International Conference on Frontiers of Information Technology, FIT 2012 - Islamabad, Pakistan
継続期間: 2012 12 172012 12 19

出版物シリーズ

名前Proceedings - 10th International Conference on Frontiers of Information Technology, FIT 2012

Other

Other10th International Conference on Frontiers of Information Technology, FIT 2012
CountryPakistan
CityIslamabad
Period12/12/1712/12/19

ASJC Scopus subject areas

  • Information Systems

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