Physical-layer secret key generation via CQI-mapped spatial modulation in multi-hop wiretap ad-hoc networks
Physical-layer secret key generation via CQI-mapped spatial modulation in multi-hop wiretap ad-hoc networks
Providing security guarantee is a critical concern in the ad-hoc networks relying on multi-hop channels, since their flexible topology is vulnerable to security attacks. To enhance the security of a spatial modulation (SM) assisted wireless network, various SM mapping patterns are activated by random channel quality indicator (CQI) patterns over the legitimate link, as a physical-layer secret key. The SM signals are encrypted by random mapping patterns to prevent eavesdroppers from correctly demapping their detections. This secret key is developed for multi-hop wiretap ad-hoc networks, where eavesdroppers might monitor all the transmitting nodes of a legitimate link. We substantially characterise the multi-hop wiretap model with receiver diversity techniques adopted by eavesdroppers. The security performance of the conceived scheme is evaluated in the scenarios where eavesdroppers attempt to detect their received signals using maximal-ratio combining or maximum-gain selection. The achievable data rates of both legitimate and wiretapper links are formulated with the objective of quantifying the secrecy rates for both Gaussian-distributed and finite-alphabet inputs. Illustrative numerical results are provided for the metrics of ergodic secrecy rate and secrecy outage probability, which substantiate the compelling benefits of the physical-layer secret key generation via CQI-mapped SM
Ad-hoc networks, channel quality indicator (CQI), multi-hop, multiple-input-multiple-output (MIMO) wiretap channel, physical layer security (PLS), secrecy rate, spatial modulation (SM)
1322-1334
Yang, Yuli
b7c4539f-dd16-4156-91f8-7f11e93b43e1
Ma, Meng
674282d9-695d-453a-800e-395f35cac980
Aissa, Sonia
5433416b-76b3-4945-8949-b8e0a335349f
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
2021
Yang, Yuli
b7c4539f-dd16-4156-91f8-7f11e93b43e1
Ma, Meng
674282d9-695d-453a-800e-395f35cac980
Aissa, Sonia
5433416b-76b3-4945-8949-b8e0a335349f
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Yang, Yuli, Ma, Meng, Aissa, Sonia and Hanzo, Lajos
(2021)
Physical-layer secret key generation via CQI-mapped spatial modulation in multi-hop wiretap ad-hoc networks.
IEEE Transactions on Information Forensics and Security, 16, , [9229387].
(doi:10.1109/TIFS.2020.3032276).
Abstract
Providing security guarantee is a critical concern in the ad-hoc networks relying on multi-hop channels, since their flexible topology is vulnerable to security attacks. To enhance the security of a spatial modulation (SM) assisted wireless network, various SM mapping patterns are activated by random channel quality indicator (CQI) patterns over the legitimate link, as a physical-layer secret key. The SM signals are encrypted by random mapping patterns to prevent eavesdroppers from correctly demapping their detections. This secret key is developed for multi-hop wiretap ad-hoc networks, where eavesdroppers might monitor all the transmitting nodes of a legitimate link. We substantially characterise the multi-hop wiretap model with receiver diversity techniques adopted by eavesdroppers. The security performance of the conceived scheme is evaluated in the scenarios where eavesdroppers attempt to detect their received signals using maximal-ratio combining or maximum-gain selection. The achievable data rates of both legitimate and wiretapper links are formulated with the objective of quantifying the secrecy rates for both Gaussian-distributed and finite-alphabet inputs. Illustrative numerical results are provided for the metrics of ergodic secrecy rate and secrecy outage probability, which substantiate the compelling benefits of the physical-layer secret key generation via CQI-mapped SM
Text
Physical-Layer Secret Key Generation via CQI-Mapped Spatial Modulation in Multi-Hop Wiretap Ad-Hoc Networks
- Accepted Manuscript
More information
Accepted/In Press date: 10 October 2020
e-pub ahead of print date: 19 October 2020
Published date: 2021
Additional Information:
Funding Information:
Manuscript received May 10, 2020; revised August 27, 2020; accepted October 11, 2020. Date of publication October 19, 2020; date of current version November 9, 2020. The work of Lajos Hanzo was supported in part by the Engineering and Physical Sciences Research Council projects EP/N004558/1, EP/P034284/1, EP/P034284/1, EP/P003990/1 (COALESCE); in part by the Royal Society’s Global Challenges Research Fund Grant; and in part by the European Research Council’s Advanced Fellow Grant QuantCom. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Stefano Tomasin. (Corresponding author: Lajos Hanzo.) Yuli Yang is with the School of Engineering, University of Lincoln, Lincoln LN6 7TS, U.K. (e-mail: yyang@lincoln.ac.uk).
Publisher Copyright:
© 2005-2012 IEEE.
Keywords:
Ad-hoc networks, channel quality indicator (CQI), multi-hop, multiple-input-multiple-output (MIMO) wiretap channel, physical layer security (PLS), secrecy rate, spatial modulation (SM)
Identifiers
Local EPrints ID: 452149
URI: http://eprints.soton.ac.uk/id/eprint/452149
ISSN: 1556-6013
PURE UUID: cebb0aab-1d8f-4ba2-9074-9b31369d1cdc
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Date deposited: 25 Nov 2021 21:39
Last modified: 18 Mar 2024 02:36
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Contributors
Author:
Yuli Yang
Author:
Meng Ma
Author:
Sonia Aissa
Author:
Lajos Hanzo
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