Study on Secret Key Generation Based on Frequency Domain Response of Channel in Single Carrier Frequency Domain Equalization Systems

KONG Yuanyuan; YANG Zhen; Lü Bin; TIAN Feng

doi:10.11999/JEIT170772

Volume 40 Issue 5

May 2018

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KONG Yuanyuan, YANG Zhen, Lü Bin, TIAN Feng. Study on Secret Key Generation Based on Frequency Domain Response of Channel in Single Carrier Frequency Domain Equalization Systems[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1017-1023. doi: 10.11999/JEIT170772

Citation:

KONG Yuanyuan, YANG Zhen, Lü Bin, TIAN Feng. Study on Secret Key Generation Based on Frequency Domain Response of Channel in Single Carrier Frequency Domain Equalization Systems[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1017-1023. doi: 10.11999/JEIT170772

Citation:

KONG Yuanyuan, YANG Zhen, Lü Bin, TIAN Feng. Study on Secret Key Generation Based on Frequency Domain Response of Channel in Single Carrier Frequency Domain Equalization Systems[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1017-1023. doi: 10.11999/JEIT170772

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Study on Secret Key Generation Based on Frequency Domain Response of Channel in Single Carrier Frequency Domain Equalization Systems

doi: 10.11999/JEIT170772

Funds:

The National Natural Science Foundation of China (61671252, 61772287), The Key University Science Research Project of Jiangsu Province (14KJA510003), The Postgraduate Research Practice Innovation Program of Jiangsu Province (CXZZ11_0394)

Received Date: 2017-08-02
Rev Recd Date: 2018-01-22
Publish Date: 2018-05-19

Abstract

Abstract

A secret key generation scheme is proposed in a Single Carrier Frequency Domain Equalization system (SC-FDE). The scheme uses the Channel Frequency Response (CFR) to generate the secret keys, which is termed as CFR-Key. The principle of the CFR-Key scheme is introduced and formulate the secret key capacity is derived based on mutual information theory. The Signal-Noise Ratio (SNR) is proved that is the unique factor and affects the quantization levels. The optimum quantization levels is designed to achieve the best key generation rate when SNR is given. Simulation results show that comparing with the secret key generation scheme based on the Channel Impulse Response (CIR-Key), the proposed scheme can significantly improve the secret key capacity.

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References(19)

References

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