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INFOCOM
2012
IEEE

Location privacy preservation in collaborative spectrum sensing

6 years 12 months ago
Location privacy preservation in collaborative spectrum sensing
—Collaborative spectrum sensing has been regarded as a promising approach to enable secondary users to detect primary users by exploiting spatial diversity. In this paper, we consider a converse question: could space diversity be exploited by a malicious entity, e.g., an external attacker or an untrusted Fusion Center (FC), to achieve involuntary geolocation of a secondary user by linking his location-dependent sensing report to his physical position. We answer this question by identifying a new security threat in collaborative sensing from testbed implementation, and it is shown that the attackers could geo-locate a secondary user from its sensing report with a successful rate of above 90% even in the presence of data aggregation. We then introduce a novel location privacy definition to quantify the location privacy leaking in collaborative sensing. We propose a Privacy Preserving collaborative Spectrum Sensing (PPSS) scheme, which includes two primitive protocols: Privacy Preservi...
Shuai Li, Haojin Zhu, Zhaoyu Gao, Xinping Guan, Ka
Added 28 Sep 2012
Updated 28 Sep 2012
Type Journal
Year 2012
Where INFOCOM
Authors Shuai Li, Haojin Zhu, Zhaoyu Gao, Xinping Guan, Kai Xing, Xuemin Shen
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