认知无线电网络中的频谱感知安全机会路由协议

doi:10.11896／j.issn.1002-137X.2018.10.031

计算机科学 ›› 2018, Vol. 45 ›› Issue (10): 166-171.doi: 10.11896／j.issn.1002-137X.2018.10.031

认知无线电网络中的频谱感知安全机会路由协议

王露^1,2, 白光伟¹, 沈航^1,3, 王天荆¹

南京工业大学计算机科学与技术学院南京211816 ¹
南京大学计算机软件新技术国家重点实验室南京210093 ²
南京邮电大学通信与网络技术国家工程研究中心南京210003 ³

收稿日期:2017-09-11 出版日期:2018-11-05 发布日期:2018-11-05
作者简介:王露(1993-),女,硕士生,主要研究方向为认知无线电网络路由协议,E-mail:wl1336361890@163.com;白光伟(1961-),男,博士,教授,博士生导师,CCF高级会员,主要研究方向为无线传感器网络、移动互联网、网络体系结构和协议、网络系统性能分析和评价、多媒体网络服务质量等,E-mail:bai@njtech.edu.cn(通信作者);沈航(1984-),男,博士,讲师,硕士生导师,CCF会员,主要研究方向为无线网络编码、移动互联网、无线多媒体通信协议等;王天荆(1978-),女,博士,副教授,硕士生导师,主要研究方向为认知无线电网络、压缩感知等。
基金资助:
国家自然科学基金项目(61502230,61073197,61501224),江苏省自然科学基金项目(BK20150960),江苏省普通高校自然科学研究项目(15KJB520015),南京市科技计划项目(201608009),南京大学计算机软件新技术国家重点实验室资助项目(KFKT2017B21),南京邮电大学通信与网络技术国家工程研究中心资助项目,江苏省六大高峰人才基金资助项目(第八批)资助

Spectrum-aware Secure Opportunistic Routing Protocol in Cognitive Radio Networks

WANG Lu^1,2, BAI Guang-wei¹, SHEN Hang^1,3, WANG Tian-jing¹

College of Computer Science and Technology,Nanjing Tech University,Nanjing 211816,China ¹
State Key Laboratory for Novel Software Technology,Nanjing University,Nanjing 210093,China ²
National Engineering Research Center for Communication and Network Technology,Nanjing University of Posts and Telecommunications,Nanjing 210003,China ³

Received:2017-09-11 Online:2018-11-05 Published:2018-11-05

摘要/Abstract

摘要： 针对认知无线电网络中频谱的动态特性及潜在的节点选择性转发问题,提出频谱感知安全机会路由S2OR协议。在频谱感知阶段,通过对主用户活动建模来分析认知节点之间链路的可用概率。在路由选择阶段,采用信任管理方式来考查节点转发行为的可靠性,以便选择可信任的中继节点并保证数据传输的完整性。协议通过获取局部网络状态信息,计算由链路可用概率、链路质量和节点信任度构成的综合型指标——期望吞吐率,允许认知节点在此基础上机会式地选择候选转发节点与数据信道。仿真结果表明,S2OR能够很好地适应频谱动态特性,获取较高的吞吐量,同时减小节点恶意攻击带来的影响。

关键词: 机会路由, 频谱感知, 认知无线电, 信任管理

Abstract: This paper proposed a spectrum-aware secure opportunistic routing (S2OR) protocol against the dynamic characteristics of spectrum and the potential selective forwarding attack in cognitive radio networks.During the spectrum sensing phase,the availability probability of link among cognitive nodes is analyzed by modeling primary user activity.During the routing selection phase,a trust management model is exploited to examine node’s reliability for packet forwarding,so as to select relay nodes with high trustability and ensure the integrity of data transmission.With the local information,a comprehensive routing metric called the expected throughput,consisting of link availability probability,link quality and node’s trustability,is computed.On this basis,cognitive nodes can opportunistically select candidate forwarding nodes and the corresponding data channels.Simulation results demonstrate that S2OR can well adapt to the dynamics of spectrum,result in higher throughput and reduce the impacts of malicious attacks at the same time.

Key words: Cognitive radio, Opportunistic routing, Spectrum sensing, Trust management

中图分类号:

TP393

王露, 白光伟, 沈航, 王天荆. 认知无线电网络中的频谱感知安全机会路由协议[J]. 计算机科学, 2018, 45(10): 166-171. https://doi.org/10.11896／j.issn.1002-137X.2018.10.031

WANG Lu, BAI Guang-wei, SHEN Hang, WANG Tian-jing. Spectrum-aware Secure Opportunistic Routing Protocol in Cognitive Radio Networks[J]. Computer Science, 2018, 45(10): 166-171. https://doi.org/10.11896／j.issn.1002-137X.2018.10.031

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认知无线电网络中的频谱感知安全机会路由协议

Spectrum-aware Secure Opportunistic Routing Protocol in Cognitive Radio Networks

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