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Opportunistic Routing Algorithm for Relay Node Selection in Wireless Sensor Networks

机译：无线传感器网络中中继节点选择的机会路由算法

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Energy savings optimization becomes one of the major concerns in the wireless sensor network (WSN) routing protocol design, due to the fact that most sensor nodes are equipped with the limited nonrechargeable battery power. In this paper, we focus on minimizing energy consumption and maximizing network lifetime for data relay in one-dimensional (1-D) queue network. Following the principle of opportunistic routing theory, multihop relay decision to optimize the network energy efficiency is made based on the differences among sensor nodes, in terms of both their distance to sink and the residual energy of each other. Specifically, an Energy Saving via Opportunistic Routing (ENS_OR) algorithm is designed to ensure minimum power cost during data relay and protect the nodes with relatively low residual energy. Extensive simulations and real testbed results show that the proposed solution ENS_OR can significantly improve the network performance on energy saving and wireless connectivity in comparison with other existing WSN routing schemes.
机译：由于大多数传感器节点都配备了有限的不可充电电池电源，因此节能优化已成为无线传感器网络（WSN）路由协议设计中的主要问题之一。在本文中，我们致力于在一维（1-D）队列网络中将数据中继的能耗最小化并最大化其网络寿命。遵循机会路由理论的原理，基于传感器节点之间的差异，就其沉陷距离和彼此的剩余能量而言，做出了优化网络能量效率的多跳中继决策。具体来说，通过机会路由节能（ENS_OR）算法被设计为确保数据中继期间的最低功耗，并以相对较低的剩余能量保护节点。大量的仿真和真实的测试结果表明，与其他现有的WSN路由方案相比，所提出的解决方案ENS_OR可以显着提高网络的节能和无线连接性能。

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