Experimental Design and Analysis of Vehicle Mobility in WiFi Network

Abstract

Instead of using static nodes in wireless sensor network, implementation of hardware and mobile environment are challenges of mobile wireless sensor network. Mobile sensor nodes combined with wireless network is one of research area and mobility is one of key factors in designing mobile wireless sensor network. To analyze vehicle mobility, this work implements a mobile sensor node in WiFi network and it is equipped with ultrasonic sensor and ESP8266 NodeMCU. The sensor data can be monitored on ThingSpeak over the internet via wireless LAN and its measurement can be taken within 10 s delay. MikroTik (RB931-2nD) router is used as an access point in system architecture. Experiments are performed to study mobility effects on network throughput when mobile sensor node is moving with constant velocity of 10 cm/s. With connectivity in wireless LAN 802.11/n technology, signal strength and throughput are measured for vehicle mobility.