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Improvement on LEACH Protocol of Wireless Sensor Network (VLEACH) M. Bani Yassein, A. Al-zou'bi, Y. Khamayseh, W. Mardini

Improvement on LEACH Protocol of Wireless Sensor Network (VLEACH)
M. Bani Yassein, A. Al-zou'bi, Y. Khamayseh, W. Mardini Department of Computing Science, Jordan University of Science and Technology E-mail: {masadeh@just.edu.jo, a_zo3bi@yahoo.com, yaser@just.edu.jo, mardini@just.edu.jo } doi: 10.4156/jdcta.vol3.issue2.yassein

Abstract
This paper presents a new version of LEACH protocol called VLEACH which aims to reduce energy consumption within the wireless network. We evaluate both LEACH and V-LEACH through extensive simulations using OMNET++ simulator which shows that VLEACH performs better than LEACH protocol. Broadcasting, Clustering, LEACH protocol, VLEACH.

Keywords

1. Introduction
Wireless sensor network (WSN)[2,3] consists of hundreds and even thousands of small tiny devices called sensor nodes distributed autonomously to monitor physical or environmental conditions, such as temperature, sound, vibration, pressure and motion at different locations. Energy plays an important role in wireless sensor networks because nodes are battery operated. Consequently many protocols have been proposed in order to minimize the energy consumption of these nodes. Each node in a sensor network is typically equipped with one or more sensors, a radio transceiver or other wireless communications device, a small microcontroller, and an energy source, since in most Wireless sensor network applications the energy source is a battery [6], energy plays an important role in wireless sensor network, and preserving the consumed energy of each node is an important goal that must be considered when developing a routing protocol for wireless sensor networks.

Many routing protocols have been proposed in the literature such as LEACH[4,6],PAMAS[12]. Leach is considered as the most popular routing protocol that use cluster based routing in order to minimize the energy

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