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 Battery-less Wireless Communication System for disasters and emergencies

A battery-less wireless communication system was developed for disaster victims to send a rescue request and inform a rescue party of their isolated locations when communication or power infrastructure is collapsed in the event of a disaster.

 

The system comprises a victim’s terminal, relay stations, and a parent station. The terminal is composed of a manual charger, a capacitor, a micro-processor (PIC), a GPS module, and a UHF wireless module.

 

The PIC controls the on/off operation of the GPS and the wireless module precisely to reduce their power consumption.

 

The victim’s location is estimated by the GPS data or signal levels received at the relay stations depending on the victim’s location. The victim can understand the rescue status by receiving answer-back signals from the parent station.

 

Experimental tests show that the power consumption of the terminal is 151 ~ 340 mW and the communication distance and the position estimation error are 3.6 km and 2 m respectively for outdoor use and 360 m and 8.5 m for indoor use.　

Fig. 1 Configuration of battery-less wireless communication system for rescuing disaster victims isolated indoor and outdoor.

Fig. 2 Configuration of battery-less wireless terminal.

intermittent_operation.jpg

Fig. 3 Voltage profile supplied to battery-less wireless terminal.

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indoor_edited.jpg

Fig. 4 Control Sequence for indoor use.

outdoor2_edited.jpg

Fig. 5 Control Sequence for outdoor use.

Table 1 Communication performance.

Published papers：

  1. 渡邉啓佑・田中將義，被災者探索救出用バッテリレスワイヤレス通信システムに関する研究，電子情報通信学会　201７年総合大会,B-15-6,2017, Ref

  2. Keisuke WATANABE and Masayoshi TANAKA, Study on Battery-less Wireless Communication System for Victim Rescue, Proceeding of Academic Conference of Nihon University, College of Industrial Technology, 2-11, pp147-150, 2016, ISSN 2186-5647. 
    Paper pdf (English)

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  4. 渡邉　啓佑，田中　將義, 被災者救出用ﾊﾞｯﾃﾘﾚｽﾜｲﾔﾚｽ通信ｼｽﾃﾑに関する研究, Study on Battery-less Wireless Communication System for Rescuing Disaster Victims, 電子情報通信学会 2016年通信ソサイエティ大会, B-18-7, 2016

  5. 渡邉　啓佑，田中　將義, 非常通信用ﾊﾞｯﾃﾘﾚｽﾜｲﾔﾚｽ通信ｼｽﾃﾑに関する研究, 電子情報通信学会　2016年総合大会,B-18-64,2016

  6. 渡邉　啓佑, 田中　將義, UHF帯を使用した非常用ﾊﾞｯﾃﾘﾚｽﾜｲﾔﾚｽ通信ｼｽﾃﾑに関する研究, 第48回（平成27年度）日本大学生産工学部　学術講演会,2-20, 2015, Ref.

  7. 渡邉啓佑，田中將義:非常災害時のバッテリレスワイヤレス通信システム，信学会ｿｻｴﾃｨ大，B-18-5，(2015), Ref.

  8. 福島　悠平,田中　將義,ﾊﾞｯﾃﾘﾚｽ・ﾜｲﾔﾚｽ双方向位置情報通信ｼｽﾃﾑの検討 Study on Battery-less Positional Information Interactive Communication System, 電子情報通信学会，全国大会，B-19-10,p633，2012.03, Ref.  Paper pdf.

  9. 福島悠平，田中將義非常時のﾊﾞｯﾃﾘﾚｽ・ﾜｲﾔﾚｽ位置情報通報ｼｽﾃﾑの検討 Study on Battery-less Positional Information Transmission System for Emergency Use, 電子情報通信学会，通信ソサイエティ大会，B-19-31,p449，2011.09

  10. 福島悠平，田中將義，ﾊﾞｯﾃﾘﾚｽ･ﾕﾋﾞｷﾀｽﾜｲﾔﾚｽ通信の検討,電子情報通信学会　総合全国大会，B-20-32, p.627(2011)

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