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One of the primary issues in wireless sensor networks is designing an energy-efficient clustering protocol. Focused on the energy problem of routing protocol in wireless sensor networks, we must pay attention to the clustering routing algorithm. After research on the classical clustering algorithms, we introduce a novel Power-Efficient Zoning Clustering Algorithm (PEZCA) which is based on the classical...
Wireless sensor networks (WSN) have been considered as a promising method for reliably monitoring both civil and military environments under hazardous or dangerous conditions. Due to such environments, the power supplies for sensors in the network are not usually rechargeable or replaceable. Therefore, the energy efficiency is critical for the lifetime and cost of WSN. Numerous mechanisms have been...
Wireless sensor networks are composed of cheap sensor nodes with limited energy resources. These networks require robust wireless communication protocols that are energy efficient in order to prolong the lifetime of the entire network. This paper studies the routing protocols and analyzes the performance of LEACH (low-energy adaptive clustering hierarchy) in-depth. It is found that the cluster heads...
A wireless sensor network consists of hundreds or thousands of small energy-limited sensors that are densely deployed in a large geographical region. It has been demonstrated that low-energy adaptive clustering hierarchy (LEACH) is an energy-efficient routing algorithm for wireless sensor networks (WSN). In this paper, we present a Time-based cluster-head selection algorithm for LEACH. We call this...
A wireless sensor network refers to a group of sensors, or nodes/bluetooth, linked by a wireless medium to perform distributed sensing tasks. Traditional routing protocols developed for wireless ad hoc networks cannot be used for sensor. This is because conventional protocols focus on avoiding congestion or maintaining connectivity when faced with mobility and not on the limited energy supply. We...
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