Abstract
IEEE802.11, known as WiFi has proliferated in the last decade. It can be found in smartphones, laptops, smart TVs and surveillance cameras. This popularity has revealed many issues in health, data privacy and security. In this work, a WiFi measurement study has been conducted in Amman, the capital city of Jordan. An Android App has been written to harvest WiFi information of the transmitted frames of any surrounding Access points (APs). More than 240,000 APs information has been harvested in this work. The harvested data have been analyzed to find statistics of WiFi devices in this city. Moreover, three power distribution models have been derived from the data for three different areas, closed, open and hybrid areas. In addition, the collected data revealed that the SSID can be leveraged as a landmark for the access points (APs). To this end, SSIDtrack algorithm is proposed to track shoppers/walkers in closed areas, such as malls to find their walking route utilizing only the SSID information collected from the surrounding area. The algorithm has been tested in two different malls that consist of four different floors. The accuracy recorded for the algorithm acceded 95%.
Highlights
IntroductionSmart devices have proliferated in the past decade
Smart devices are required to be equipped with a wireless network interface card (WNIC) to join the smartness era
We proposed SSIDtrack algorithm to track the pedestrian in indoor area
Summary
Smart devices have proliferated in the past decade. Smartness is defined as devices ability to communicate and exchange data and information [1]. Internet allows data sharing among millions of devices across the globe. Internet converted the smartness of the devices dream into reality. Sharing the Internet connection among multiple devices may increases the subscribers cost and complexity. IEEE 802.11, commercially known as WiFi, emerged to tackle these issues. This technology allowed subscribers to share one Internet connection among their devices in houses, cars, work and even in the street. The proliferation of WiFi technology may create passive and active opportunity in one hand and other hazards in the health care field [2,3], interference and data privacy [4] on the other hand. WiFi is a wireless standard that operates in the scientific and
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