4.7 Article

LEMH: Low-Energy-First Electoral Multipath Alternating Multihop Routing Algorithm for Wireless Sensor Networks

Journal

IEEE SENSORS JOURNAL
Volume 22, Issue 16, Pages 16687-16704

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2022.3191321

Keywords

Wireless sensor networks; Routing; Spread spectrum communication; Sensors; Clustering algorithms; Energy consumption; Routing protocols; Wireless sensor networks; election; low energy; multipath routing; nonuniform cluster; hierarchical routing; alternating multihop

Funding

  1. National Natural Science Foundation of China [62062037, 61562037]
  2. Natural Science Foundation of Jiangxi Province [20212BAB202014, 20171BAB202026]

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In this study, a low-energy first electoral multipath alternating multihop (LEMH) routing scheme is proposed to address the premature death of overloaded nodes in wireless sensor networks. By assigning adaptive contention radius to nodes, the scheme avoids node overload and enables nodes to combine remaining energy to vote for cluster heads. The final cluster head is determined based on two-dimensional competition parameters. The study also formulates an energy balance lifetime maximization routing problem and solves it using particle swarm optimization, providing an improved multihop transmission scheme for WSNs.
Lifetime is a vital performance metric for wireless sensor networks (WSNs), with current hierarchical routing protocols suffering from the premature death of overloaded nodes, affecting the network's lifetime. Spurred by this problem, we propose a low-energy first electoral multipath alternating multihop (LEMH) routing scheme. To avoid overloading the nodes, these are given a contention radius that adaptively changes with the topology and affords the nodes to combine the remaining energy to vote for those participating in the cluster heads election process. Then, the running nodes decide the final cluster head based on two-dimensional competition parameters. Finally, the traditional multihop communication shortcomings are addressed by formulating an energy balance lifetime maximization routing problem based on sequential quadratic programming (SQP) under alternating multihop. This problem is optimally solved using particle swarm optimization (PSO), providing an improved multihop transmission scheme for WSNs. The simulation results demonstrate that LEMH effectively extends the network's survival time and improves performance.

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