Augmenting network lifetime for heterogenous WSN assisted IoT using mobile agent
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Augmenting network lifetime for heterogenous WSN assisted IoT using mobile agent Harmeet Singh1 • Manju Bala2 • Sukhvinder Singh Bamber3
Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Wireless sensor networks are network of the large number of sensors having lesser batteries. Such networks and clustering of the nodes for energy efficiency go hand in hand. Clustering protocols like low energy adaptive clustering hierarchy, stable election protocol, improved low energy adaptive clustering hierarchy etc. allow the nodes to grouped together, form clusters and transmit their information to the base station via their leader, i.e. cluster head. Selection of cluster head follows various approaches and vary from protocol to protocol. While some of the approaches use single hop communication of the cluster head with the base station, others opt for multi-hop communication. This paper describes energy effective procedure for heterogeneous network consisting of super, advance and normal nodes. The protocol operates according to the type of the nodes. For the high energy super nodes, the protocol follows centralized procedure and for other nodes it follows decentralized approach. The selection of cluster head among the super nodes is optimized by the use of cost function depending upon distance of the nodes from the centroid of their residual energies and their signal to interference plus noise ratio. The nodes other than super nodes achieve lesser energy consumption by using the mobile agents to transfer their data to the base station. The proposed protocol has shown improvements in terms of throughput and number of dead nodes as equated to other state-of-the-art protocols. Keywords WSN Mobile agents SINR Internet of Things Throughput Network lifetime
1 Introduction Due to theoretical and practical challenges of Wireless Sensor Networks (WSNs) such as localization issues arising out of random deployment of the sensor nodes, lesser batteries of the nodes, harsh environments etc. [1], it draws the attention of various researchers from last few years [2]. More and more researchers carrying out their studies in the arena of wireless sensor networks discovered new areas that permits large network of sensor nodes to sense the
& Harmeet Singh [email protected] 1
I. K. Gujral Punjab Technical University, Kapurthala 144603, India
2
Khalsa College of Engineering and Technology, Amritsar 143001, India
3
Panjab University SSG Regional Centre, Hoshiarpur 146021, India
information from the surroundings, process it and transfer it to the base station [3, 4]. A WSN is a distributed network with a group of distributed devices called sensor nodes. Each sensor node is prepared with sensor, processor, communication and storage subsystem [5–7]. Each sensor node sense the physical activities (changes) happening in the environment such as thermal, optical, acoustic etc. The information generated by sensor nodes update the user about the current st
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