Toward secure distributed spectrum sensing in cognitive radio networks
IEEE Communications Magazine（2008）
摘要
Cognitive radio is a revolutionary technology that promises to alleviate the spectrum shortage problem and to bring about remarkable improvement in spectrum utilization. Spectrum sensing is one of the essential mechanisms of CR and is an active area of research. Although the operational aspects of spectrum sensing are being studied actively, its security aspects have attracted very little attention. In this paper, we discuss security issues that may pose a serious threat to spectrum sensing. Specifically, we focus on two security threats - incumbent emulation and spectrum sensing data falsification - that may wreak havoc in distributed spectrum sensing. We also discuss methods for countering these threats and the technical hurdles that must be overcome to implement such countermeasures.
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关键词
incumbent emulation attacks,spectrum sensing data falsification attacks.,spectrum shortage problem,cognitive radio,data falsification,cognitive radio network,dynamic spectrum access,security issue,distributed spectrum sensing,security aspect,essential mechanism,spectrum utilization,security threat,active area,incumbent emulation,mobile computing,security,it security,spectrum,sensors,wireless communication,wireless sensor networks,decision support systems,base stations,cognitive radio networks,emulation,fading,ad hoc networks,chromium,data security
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