Design and development of dual radio embedded software application stack for wireless mesh network based IoT system

Muhammad Afiq, Safardi (2017) Design and development of dual radio embedded software application stack for wireless mesh network based IoT system. Project Report. UTeM, Melaka,Malaysia. (Submitted)

Text (24 Pages) Design and development of dual radio embedded software application stack for wireless mesh network based IoT system.pdf - Submitted Version Download (2MB)

Abstract

This project involves discovering how the emergency exit signboard,commonly available at every exit of retail shops and shopping mall,is proposed to allow indoor localization either for targeted push advertisement or victim stuck in the collapse building.An emergency exit signboard,made up of a metal and incandescent light bulb with a battery-backup system,is used in public facilities to denote the location of closest emergency exit.The proposed system consists of massively deployed ENDLS nodes connected to each other using self-healing Wi-Fi mesh network where the iBeacon broadcasted by the user smartphone app will be picked up and pushed to the cloud to help to localize the user.The iBeacon sniffer of the developed ENDLS node can confidently localize the position of the user with up to 3 meters (average -86.4± 1.3 RSSI value) which is accurate enough for the targeted pushed advertisement.The constructed self-healing Wi-Fi mesh is tested and can successfully carry packet with transfer rate of 6Kbytes/s (30bytes per packet,5ms interval) to server computer without any loss.In the event of power outages by disaster, the battery can continue to supply power to the developed ENDLS nodes.The designed and developed emergency server gateway computer,connected with the deployed ENDLS nodes, is able to display the vital signal broadcasted by the victim ' wearable on the rescue portal.

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