research-article

Automatic secret keys from reciprocal MIMO wireless channels: measurement and analysis

Authors:

Jon W. Wallace,

Rajesh K. SharmaAuthors Info & Claims

IEEE Transactions on Information Forensics and Security, Volume 5, Issue 3

Pages 381 - 392

https://doi.org/10.1109/TIFS.2010.2052253

Published: 01 September 2010 Publication History

Abstract

Information theoretic limits for random key generation in multiple-input multiple-output (MIMO) wireless systems exhibiting a reciprocal channel response are investigated experimentally with a new three-node MIMO measurement campaign. As background, simple expressions are presented for the number of available key bits, as well as the number of bits that are secure from a close eavesdropper. Two methods for generating secret keys are analyzed in the context of MIMO channels and their mismatch rate and efficiency are derived. A new wideband indoor MIMO measurement campaign in the 2.51- to 2.59-GHz band is presented, whose purpose is to study the number of available key bits in both line-of-sight and nonline-of-sight environments. Application of the key generation methods to measured propagation channels indicates key generation rates that can be obtained in practice for four-element arrays.

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Cited By

Chou R(2024)Distributed Secret Sharing Over a Public Channel From Correlated Random VariablesIEEE Transactions on Information Theory10.1109/TIT.2024.336364470:4(2851-2869)Online publication date: 1-Apr-2024
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Lu TChen LZhang JChen CDuong T(2024)Reconfigurable Intelligent Surface-Assisted Key Generation for Millimeter-Wave Multi-User SystemsIEEE Transactions on Information Forensics and Security10.1109/TIFS.2024.339703719(5373-5388)Online publication date: 6-May-2024
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Automatic secret keys from reciprocal MIMO wireless channels: measurement and analysis
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cover image IEEE Transactions on Information Forensics and Security

IEEE Transactions on Information Forensics and Security Volume 5, Issue 3

September 2010

242 pages

ISSN:1556-6013

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Copyright © 2010.

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IEEE Press

Publication History

Published: 01 September 2010

Revised: 25 May 2010

Received: 17 December 2009

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Cited By

Chou R(2024)Distributed Secret Sharing Over a Public Channel From Correlated Random VariablesIEEE Transactions on Information Theory10.1109/TIT.2024.336364470:4(2851-2869)Online publication date: 1-Apr-2024
https://dl.acm.org/doi/10.1109/TIT.2024.3363644
Lu TChen LZhang JChen CDuong T(2024)Reconfigurable Intelligent Surface-Assisted Key Generation for Millimeter-Wave Multi-User SystemsIEEE Transactions on Information Forensics and Security10.1109/TIFS.2024.339703719(5373-5388)Online publication date: 6-May-2024
https://dl.acm.org/doi/10.1109/TIFS.2024.3397037
Chen CZhang JLu TSandell MChen L(2024)Secret Key Generation for IRS-Assisted Multi-Antenna Systems: A Machine Learning-Based ApproachIEEE Transactions on Information Forensics and Security10.1109/TIFS.2023.333158819(1086-1098)Online publication date: 1-Jan-2024
https://dl.acm.org/doi/10.1109/TIFS.2023.3331588
Chen ZChen P(2023)Physical Layer Key Generation in Practical 802.11 MIMO-OFDM NetworksIEEE Transactions on Wireless Communications10.1109/TWC.2023.330412023:4(2933-2945)Online publication date: 16-Aug-2023
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Hua YMaksud A(2023)Continuous Encryption Functions for Security Over NetworksSignal Processing10.1016/j.sigpro.2022.108807203:COnline publication date: 1-Feb-2023
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Lu TChen LHan JWang YYu K(2023)RIS-assisted physical layer key generation by exploiting randomness from channel coefficients of reflecting elements and OFDM subcarriersAd Hoc Networks10.1016/j.adhoc.2022.103002138:COnline publication date: 1-Jan-2023
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Gao JXu WKanhere SJha SKim JHuang WHu W(2021)A Novel Model-Based Security Scheme for LoRa Key GenerationProceedings of the 20th International Conference on Information Processing in Sensor Networks (co-located with CPS-IoT Week 2021)10.1145/3412382.3458256(47-61)Online publication date: 18-May-2021
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