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MIMO-Based Secret Key Generation Strategies: Rate Analysis

MIMO-Based Secret Key Generation Strategies: Rate Analysis

Kan Chen, Bala Natarajan
Copyright: © 2014 |Volume: 6 |Issue: 3 |Pages: 34
ISSN: 1937-9412|EISSN: 1937-9404|EISBN13: 9781466655591|DOI: 10.4018/IJMCMC.2014070102
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MLA

Chen, Kan, and Bala Natarajan. "MIMO-Based Secret Key Generation Strategies: Rate Analysis." IJMCMC vol.6, no.3 2014: pp.22-55. http://doi.org/10.4018/IJMCMC.2014070102

APA

Chen, K. & Natarajan, B. (2014). MIMO-Based Secret Key Generation Strategies: Rate Analysis. International Journal of Mobile Computing and Multimedia Communications (IJMCMC), 6(3), 22-55. http://doi.org/10.4018/IJMCMC.2014070102

Chicago

Chen, Kan, and Bala Natarajan. "MIMO-Based Secret Key Generation Strategies: Rate Analysis," International Journal of Mobile Computing and Multimedia Communications (IJMCMC) 6, no.3: 22-55. http://doi.org/10.4018/IJMCMC.2014070102

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Abstract

Over the last decade, physical layer secret key generation (PHY-SKG) techniques that exploit reciprocity of wireless channels have attracted considerable interest among researchers in the field of wireless communication. Compared to traditional cryptographic methods, PHY-SKG techniques offer the following advantages: a computationally bounded adversary does not need to be assumed; PHY-SKG avoids the requirement of key management, and secret keys can be dynamically replenished. Additionally, PHY-SKG can enhance existing security schemes because it operates independently of higher layer security schemes. However, a key drawback of PHY-SKG is low secret key generation rate (SKGR), a critical performance metric. Therefore, the role of advanced network technologies (e.g., multiple input multiple output (MIMO) and cooperative MIMO) must be explored to enhance SKGR. This paper describes how MIMO and cooperative MIMO techniques can enhance SKGR.

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