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Key Generation System Using Smart Antenna

Key Generation System Using Smart Antenna

Toru Hashimoto, Tomoyuki Aono
Copyright: © 2009 |Pages: 24
ISBN13: 9781599049885|ISBN10: 1599049880|ISBN13 Softcover: 9781616927479|EISBN13: 9781599049892
DOI: 10.4018/978-1-59904-988-5.ch020
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MLA

Hashimoto, Toru, and Tomoyuki Aono. "Key Generation System Using Smart Antenna." Handbook on Advancements in Smart Antenna Technologies for Wireless Networks, edited by Chen Sun, et al., IGI Global, 2009, pp. 425-448. https://doi.org/10.4018/978-1-59904-988-5.ch020

APA

Hashimoto, T. & Aono, T. (2009). Key Generation System Using Smart Antenna. In C. Sun, J. Cheng, & T. Ohira (Eds.), Handbook on Advancements in Smart Antenna Technologies for Wireless Networks (pp. 425-448). IGI Global. https://doi.org/10.4018/978-1-59904-988-5.ch020

Chicago

Hashimoto, Toru, and Tomoyuki Aono. "Key Generation System Using Smart Antenna." In Handbook on Advancements in Smart Antenna Technologies for Wireless Networks, edited by Chen Sun, Jun Cheng, and Takashi Ohira, 425-448. Hershey, PA: IGI Global, 2009. https://doi.org/10.4018/978-1-59904-988-5.ch020

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Abstract

The technology of generating and sharing the key as the representative application of smart antennas is introduced. This scheme is based on the reciprocity theorem of radio wave propagation between the two communication parties. The random and intentional change of antenna directivity that is electrically changed by using such an ESPAR antenna as variable directional antenna is more effective for this scheme, because the propagation environment can be undulated intentionally and the reproducibility of the propagation environment can be decreased. In this chapter, experimental results carried out at many environments are described. From these results, this system has a potential to achieve the “unconditional security.”

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