International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395 -0056
Volume: 04 Issue: 07 | July-2017
p-ISSN: 2395-0072
www.irjet.net
Energy Efficient PEGASIS Routing Protocol in Wireless Sensor Network Sujata1, Brijbhushan2 1M.Tech,
Electronics and Communication, Shoolini University, Solan, H.P, India Instructor, Electronics and Communication, Shoolini University, H.P, India ---------------------------------------------------------------------***--------------------------------------------------------------------1.1 Routing in WSN Abstract - At present, Wireless Sensor Network is most 2Technical
standard services occupied in commercial and industrial applications as a result of its technical development in a processor, communication and low-power usage of embedded devices. WSN is basically formed by a huge number of wireless sensors. These sensor nodes are able to do some kind of processes, gathering sensed information and as well as communicating with other connected nodes in the network. One of the major points at issue for Wireless Sensor Networks (WSNs) is the design of energy-efficient Routing. The efficiency of wireless sensor network abundantly depends on the routing protocol used. The protocol is an important aspect, which can reduce the delay while offering high energy efficiency and long span of network lifetime. One of that protocol is PEGASIS, it is rest on the chain structure and every chain have only one cluster head, it take the profit of sending data to its closet neighbor. In this paper, main objective is to achieve energy efficiency using PEGASIS Routing Protocol for WSN.
Routing is conventionally defined as the technique of determining a path between the source and the destination node upon request of message transmission from a given node. In WSNs, the network layer is mostly acclimated to perform the routing of data messages. In case of large multi-hop networks, the source node cannot get as far as the destination directly, and therefore, intermediate nodes have to pass on their messages. An intermediate node has to settle an issue to which neighbor an incoming message should be forwarded if the message is not to come to itself. As a matter of course, routing tables that list the most appropriate neighbor for any given message destination are used. The implementation of routing tables in the matter of a particular routing algorithm specifies the paths for each destination. The construction and maintenance of these routing tables is the desperate job of both a centralized and a distributed routing protocol in WSNs. The construction of these tables basically reduced to stabilizing what is the path from a given node to reach a given destination [15].
Key Words: Wireless sensor networks, routing protocol, PEGASIS protocol, energy efficiency. 1. INTRODUCTION
1.2 Routing Protocols in WSN
Recent technological advances in the area of wireless communications and micro-electro-mechanical systems have made it suitable to develop small sized and low cost sensors. A sensor network is the group of sensors connect to transducers be determined to monitor the conditions at diverse locations. The Sensors are meant to evaluate the physical or environmental changes. A sensor network has a huge number of nodes, which are arrange in open environment randomly [1]. The consideration of WSNs was originally motivated by military applications, but nowadays it is being carry out in various civilian applications like intrusion detection, security, weather monitoring, inventory control, disaster management, etc. Sensor node is also known as mote which is small, lightweight and portable devices equipped with a microcomputer, transducer, power source, and transceiver. Electrical signals are produced by the transducer which is based on the sensed physical phenomena. The information is processed and sensed by microcomputer. The transceiver receives instructions from the base station/central computing system and sends data to it [2].
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Routing protocols are essentially classified into following categories, which are:-
Location-based Protocols In location-based protocols, sensor nodes are label by means of their locations. Location information sensor networks distance between two particular nodes energy consumption can be calculated.
Hierarchical Protocols In the hierarchical Clustering protocol, clustering is an energy-efficient communication protocol that can be used by the sensors to circulate their sensed data to the sink.
Data Centric Protocols In Data-centric protocols, data is delivered from source sensors to the sink, when the source sensors circulate
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