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A Private Key Agreement Scheme Based on Fluactions of BER in wireless Communications

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4 Author(s)
Kitano, T. ; Dept. of Electron., Doshisha Univ., Kyoto ; Kitaura, Akito ; Iwai, H. ; Sasaoka, H.

This paper proposes a private key agreement scheme using the fluctuations of BER (bit error rate). It utilizes the received BER at both authorized users as the common information between them. BER is an appropriate indicator to characterize the wireless channel because it includes all factors to generate bit errors such as fluctuations of amplitude and phase, effect of delayed waves etc. In order to evaluate the performance of the proposed scheme, numerical simulations are carried out assuming IEEE 802.11a system configurations and parameters. The results of the simulations show that the proposed scheme successfully achieves the key agreement at SN ratio of 15 dB when it is combined with data deletion and error correction schemes.

Published in:

Advanced Communication Technology, The 9th International Conference on  (Volume:3 )

Date of Conference:

12-14 Feb. 2007