计算机工程与应用 ›› 2011, Vol. 47 ›› Issue (13): 87-90.

• 网络、通信、安全 • 上一篇    下一篇

基于链路质量的认知无线电网络路由研究

王 超,吴华怡,张 羲   

  1. 北京科技大学 信息工程学院,北京 100083
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2011-05-01 发布日期:2011-05-01

Routing protocol based on link quality for cognitive radio networks

WANG Chao,WU Huayi,ZHANG Xi   

  1. College of Information Engineering,University of Science & Technology Beijing,Beijing 100083,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2011-05-01 Published:2011-05-01

摘要: 针对认知无线电网络中多信道特性,提出了一种基于链路质量的多信道路由协议。该协议在充分利用频谱集合、提高网络吞吐量的同时,缩短了传输时延。给出了路由指标的具体计算过程,在选路的同时进行频段分配,使可用信道达到有效分配,并在降低时延的同时提高了网络吞吐量。仿真实验证明了该算法的有效性。

关键词: 认知无线电网络, 链路质量, 信道分配, 路由协议

Abstract: Considering the characteristics of cognitive radio networks,this paper proposes a new routing protocol based on link quality for multi-channel cognitive radio networks.The proposed protocol makes full use of the spectrum set,improves network throughput,and decreases transmission delay.The computation process of routing index is described.In addition,the experiment is made by ns2.It is shown that the proposed protocol can make channel assignment efficiently,decrease delay and increase network throughput.

Key words: cognitive radio networks, link quality, channel assignment, routing