Abstract
In this paper, we propose an Energy Efficient Cluster-Chain based Protocol for Time Critical applications (ECCPTC) in wireless sensor networks to maximize network lifetime and minimize energy consumption and transmission delay of time critical data. ECCPTC considers higher priority for time critical data than non-time critical data so that time critical data are immediately transmitted to the base station. ECCPTC uses a threshold value for reducing transmission delay of time critical data. ECCPTC organizes sensor nodes into clusters by using multiple metrics and constructs a chain among the sensor nodes within cluster so that each sensor node receives non-time critical data from a previous neighbor and transmits to a next neighbor. ECCPTC also adopts a chain based data transmission mechanism for sending non-time critical data packets from the cluster heads to the base station. Simulation results show that our proposed protocol significantly outperforms LEACH, CBRP and PEGASIS in terms of network lifetime, stability period, instability period, energy consumption, transmission delay of time critical data and the total number of data received at base station. Keywords: Wireless sensor network, Clustering protocol, Chain based routing, Energy efficient, Time critical data
Highlights
The technological advances in micro-electronics and channel access for cluster members and power control, low-power wireless communication have facilitated the as well as between clusters, such as routing and code development and application of wireless sensor networks separation to avoid inter-cluster interference
In sensor network is composed of hundreds or thousands of this paper, we propose an Energy Efficient Cluster-Chain sensor nodes which are usually battery-powered and based Protocol for Time Critical applications (ECCPTC)
As sensor networks have limited and non- ECCPTC organizes sensor nodes into clusters and forms rechargeable energy resources, energy efficiency is a a chain among the sensor nodes within cluster so that very important issue in designing the topology and routing each sensor node receives from a previous neighbor and protocols, which affects the lifetime of sensor networks transmits to a neighbor
Summary
The technological advances in micro-electronics and channel access for cluster members and power control, low-power wireless communication have facilitated the as well as between clusters, such as routing and code development and application of wireless sensor networks separation to avoid inter-cluster interference. Deployed in an unprotected environment to collect the in wireless sensor networks to maximize network lifetime needed information and transmit report messages to and minimize energy consumption and transmission a remote base station Since the cluster heads have responsibility for the collecting, aggregating, and sending data to the base station, they drain energy much faster than the member nodes, reducing the network lifetime.
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