LoRa-based Alert System for Public-safety

Bhattacherjee, Subhra Shankha and Sanju Kumar, NT and Reddy, Banda Santhosh and Rajalakshmi, P (2019) LoRa-based Alert System for Public-safety. In: URSI Asia-Pacific Radio Science Conference, AP-RASC, 9 -15 March 2019, New Delhi, India.

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Abstract

This paper presents a novel closed loop architecture for citizen security using LoRa based devices. The proposed system comprises of a custom made end-device which can be connected to street light poles in an area and a gateway device which can be connected at a large distance from the end-devices. LoRa physical layer is used as the main communication interface which enables large distance transmission. A data logging server is used for logging the node-id everytime it is pressed. Data is uploaded to the server using a 4G-LTE dongle. An android app is also developed which shows the location of the pressed node and provides navigation routes to the concerned security person to reach that node. We have compared our network operation with commercially avilable security devices. Power consumption and cost are the two metrics chosen for evaluation. Results show that our network is extremely low-cost and low-powered than existing solutions.

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IITH Creators:	IITH Creators ORCiD Rajalakshmi, P UNSPECIFIED
Item Type:	Conference or Workshop Item (Paper)
Subjects:	Electrical Engineering
Divisions:	Department of Electrical Engineering
Depositing User:	Team Library
Date Deposited:	22 Jul 2019 10:12
Last Modified:	22 Jul 2019 10:12
URI:	http://raiithold.iith.ac.in/id/eprint/5775
Publisher URL:	http://doi.org/10.23919/URSIAP-RASC.2019.8738279
Related URLs:	Google Scholar

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