Sunday 25th of February 2018

A Localization Algorithm for Wireless Sensor Networks Using One Mobile Beacon

Ahmed Elsayed Aboelhassab and Salwa Elramly

This paper proposes an accurate, low cost and power efficient localization algorithm for Wireless Sensor Networks (WSN). The algorithm uses a Received Signal Strength (RSS) measurement technique and a mobile anchor node equipped with a GPS and a directional antenna. The algorithm does not depend on specific ranging hardware requirements for sensor nodes, Moreover; the algorithm needs only one anchor node to achieve high localization accuracy. Performance evaluation of the proposed algorithm is done using MATLAB. The results show that the proposed algorithm achieves a high localization accuracy by reducing the localization error by 66.53%. Moreover it extends the nodes lifetime by reducing the reception energy consumption by 95.94% compared to DIR localization algorithm introduced in [10].

Keywords: Mobile Beacon, Beam-Width, Directional Antenna and RSS.

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Ahmed Elsayed Aboelhassab
Researcher at Electronics and Communication Eng. Department, Ain-Shams University, Cairo, Egypt and Network Operation Center Engineer at TEDATA Company, Cairo, Egypt.

Salwa Elramly
Professors at Electronics & Communication Eng. Department Ain-Shams University, Cairo, Egypt, was the Head of Electronics & Communication Eng. Department Ain-Shams University, Cairo, Egypt, and IEEE Senior Member

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