一种面向分簇无线传感器网络的多信道跨层协议

汪志伟; 曹建福; 郑辑光

doi:10.7652/xjtuxb201306011

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一种面向分簇无线传感器网络的多信道跨层协议

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- 一种面向分簇无线传感器网络的多信道跨层协议
- Multi-Channel Multi-Path Cross-Layer Protocol for Clustered Wireless Sensor Networks
- 西安交通大学学报 2013年47卷第6期页码：61-67
- 作者机构：
  
  西安交通大学电子与信息工程学院,西安,710049
- 作者简介：
- 基金信息：
  
  : 2012-10-17。作者简介: 汪志伟(1989—),男,硕士生;曹建福(通信作者),男,教授,博士生导师。基金项目: 陕西省科技攻关计划资助项目(2010K08-13)
- DOI：10.7652/xjtuxb201306011
  中图分类号： TP393
- 网络首发：2013-06-10，
  
  纸质出版：2013
- 稿件说明：
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汪志伟, 曹建福, 郑辑光. 一种面向分簇无线传感器网络的多信道跨层协议[J]. 西安交通大学学报, 2013,47(6):61-67.

Multi-Channel Multi-Path Cross-Layer Protocol for Clustered Wireless Sensor Networks[J]. 2013, 47(6): 61-67.
汪志伟, 曹建福, 郑辑光. 一种面向分簇无线传感器网络的多信道跨层协议[J]. 西安交通大学学报, 2013,47(6):61-67. DOI： 10.7652/xjtuxb201306011.

Multi-Channel Multi-Path Cross-Layer Protocol for Clustered Wireless Sensor Networks[J]. 2013, 47(6): 61-67. DOI： 10.7652/xjtuxb201306011.

摘要

针对工业测控对传感器网络抗干扰性及通信实时性的要求

提出了一种面向分簇无线传感器网络的多信道跨层协议。该协议在簇内采用多信道配合时分复用机制

并通过高容忍度信道切换算法实时评估信道质量和自适应切换信道

以减小相邻簇和相邻频段协议的干扰

在簇间引入链路Q值评价路径状况

采用基于概率转发的多路径机制平衡网内数据流量

并控制和缓解拥塞

以减小数据流量大或变化快时因拥塞造成的丢包。该协议将簇内多信道和簇间多路径2种机制相结合以提升网络性能。仿真结果表明

相比传统的分簇协议

该协议能有效抵抗干扰并控制和缓解簇间拥塞

且可缩短约22%的簇间延时。

Abstract

A multi-channel multi-path cross-layer(MCMP-CL)protocol is proposed to meet the data reliability and real-time demands for industrial monitoring sensor networks. The MCMP-CL protocol achieves distributed network management by clustering. The self-designed high tolerance channel switching(HTCS)algorithm is used to evaluate the channel quality and to adaptively switch channels in real-time

and multi-channel with TDMA mechanism is implemented in intra-cluster communication to reduce packet loss that is caused by the adjacent clusters and adjacent frequency protocols' interference. A link Q value is introduced to evaluate route condition

and the multi-path mechanism based on the probability forwarding method is adopted in inter-cluster communication to balance the network streaming so that the packet loss that is caused by the congestion in a large or quickly changed data streaming is reduced. The protocol improves the network performance by combining the multi-channel mechanism in intra-cluster and the multi-path mechanism in inter-cluster. Simulation results and comparison with traditional clustered protocols show that the MCMP-CL can effectively resist interference

control and ease congestion

and reduce time delay in inter-clusterby about 22%.

关键词

Keywords

references

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