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A Location Privacy-Preserving Method for Spectrum Sharing in Database-Driven Cognitive Radio Networks

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Abstract

The great attention to cognitive radio networks (CRNs) in recent years, as a revolutionary communication paradigm that aims to solve the problem of spectrum scarcity, prompts serious investigation on security issues of these networks. One important security concern in CRNs is the preservation of users location privacy, which is under the shadow of threat, especially in database-driven CRNs. To this end, in this paper, we propose a Location Privacy Preserving Database-Driven Spectrum-Sharing \((\hbox {L-PDS}^2)\) protocol for sharing the spectrum between PUs and SUs in a database-driven CRN, while protecting location privacy of both primary and secondary users, simultaneously. We also present two specific algorithms as implementations of \(\hbox {L-PDS}^2\) protocol. Our analytical results for the privacy protection capability of \(\hbox {L-PDS}^2\) protocol prove that it provides location privacy preservation with very high probability for users of both networks. Moreover, the simulation results show that the proposed algorithms are efficient in terms of run time.

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Authors and Affiliations

  1. Department of Electrical Engineering, K. N. Toosi University of Technology, Tehran, Iran

    Zeinab Salami & Mahmoud Ahmadian-Attari

  2. School of Computer Science, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran

    Hoda Jannati

  3. Department of Electrical Engineering, Sharif University of Technology, Tehran, Iran

    Mohammad Reza Aref

Authors
  1. Zeinab Salami
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  2. Mahmoud Ahmadian-Attari
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  3. Hoda Jannati
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  4. Mohammad Reza Aref
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Corresponding author

Correspondence to Zeinab Salami.

Additional information

This work was partially supported by Iran-NSF Grant No. 92-32575.

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Salami, Z., Ahmadian-Attari, M., Jannati, H. et al. A Location Privacy-Preserving Method for Spectrum Sharing in Database-Driven Cognitive Radio Networks. Wireless Pers Commun 95, 3687–3711 (2017). https://doi.org/10.1007/s11277-017-4021-x

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