An Energy-Efficient Routing with Sensor Nodes Cooperation in reless Sensor Network

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An Energy-Efficient Routing with Sensor Nodes Cooperation in reless Sensor Network

更新时间：2025-07-09

- An Energy-Efficient Routing with Sensor Nodes Cooperation in reless Sensor Network
- Vol. 46, Issue 6, Pages: 1-6(2012)
- 作者机构：
  
  西安交通大学智能网络与网络安全教育部重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.7
- Online First：10 June 2012，
  
  Published：2012
- 稿件说明：
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An Energy-Efficient Routing with Sensor Nodes Cooperation in reless Sensor Network[J]. 2012, 46(6): 1-6.
DOI：

An Energy-Efficient Routing with Sensor Nodes Cooperation in reless Sensor Network[J]. 2012, 46(6): 1-6. DOI：

摘要

针对无线传感器网络(WSN)中数据传输低能耗的需求

提出了一种节点协作的节能路由传输(ECGR)算法.该算法由以下2个方面构成:在物理层

WSN根据数据包循环冗余校验功能获得能够正确解包的节点

然后利用竞争选取算法推举出簇头节点

并通过与簇头节点进行信息交换

形成协作节点簇

从而进行协作发射信号

最终实现多节点分集增益; 在网络层

协作节点簇利用基于地理位置信息路由算法

促使数据包始终向目的节点路由

避免了数据包路由向其他方向扩散.与其他同类算法相比

ECGR算法不仅增加了节点簇的传输距离

而且降低了网络整体能耗

并将能耗平衡分布于诸多节点

进而延长了网络寿命.仿真实验表明

当节点密度为0.03时

历经400次仿真

ECGR算法的节点存活率比基于地理位置的路由算法提高了70%.

Abstract

An energy-efficient cooperative geographic routing(ECGR)is proposed for wireless sensor networks(WSN). The proposed algorithm is composed of two aspects: at physical layer

WSN uses cyclic redundancy check to find out the nodes that can correctly decode the packet. A competitive selection algorithm is then used to select a header node from these nodes and a new cluster is formed through information exchange with the header node. Then

the cluster transmits the packet cooperatively and finally realizes multi-node diversity gain. At the network layer

ECGR uses the geographic routing to make the packet always rout toward the destination and to avoid diverging routes. Compared with other works

the ECGR increases the transmit distance of each hop

reduces the overall network energy consumption and balances the energy consumption among the sensor nodes

and hence the life of the network is extended. Simulation results in 400 simulation rounds and comparisons with geographic routing algorithm with 0.03 node density show that the alive rate of nodes in ECGR improves about 70%.

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references

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