Enhancing Covert Secrecy Rate in a Zero-Forcing UAV Jammer-Assisted Covert Communication
Covert communications can hide confidential signals in environmental noise to avoid being detected and provide comprehensive security for wireless transmissions. However, there still exist significant risks in wireless transmission once being detected. In this letter, we propose a more secure covert...
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Veröffentlicht in: | IEEE wireless communications letters 2024-12, Vol.13 (12), p.3375-3379 |
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description | Covert communications can hide confidential signals in environmental noise to avoid being detected and provide comprehensive security for wireless transmissions. However, there still exist significant risks in wireless transmission once being detected. In this letter, we propose a more secure covert scheme, where a multiple antennas transmitter, assisted by a multi-antenna UAV jammer, maximizes the covert secrecy rate under the scenarios of both correct and incorrect detection by a warden with both error detection probability and eavesdropping rate limitations satisfied. The transmitter and jammer adopt maximum ratio transmission (MRT) and zero-forcing, respectively, to maximize the transmission rate and minimize the interference at the legitimate receiver. First, we analyze the monotonicity of error detection probability to determine the optimal power detection threshold and the corresponding smallest error detection probability. Then, under this worst case, we jointly optimize the transmit and jamming power to maximize the covert secrecy rate while guaranteeing the covert and eavesdropping limits meet their requirements, respectively. Finally, simulation results are presented to prove the correctness of the theoretical conclusion and evaluate the effectiveness of our proposed scheme. |
doi_str_mv | 10.1109/LWC.2024.3465871 |
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However, there still exist significant risks in wireless transmission once being detected. In this letter, we propose a more secure covert scheme, where a multiple antennas transmitter, assisted by a multi-antenna UAV jammer, maximizes the covert secrecy rate under the scenarios of both correct and incorrect detection by a warden with both error detection probability and eavesdropping rate limitations satisfied. The transmitter and jammer adopt maximum ratio transmission (MRT) and zero-forcing, respectively, to maximize the transmission rate and minimize the interference at the legitimate receiver. First, we analyze the monotonicity of error detection probability to determine the optimal power detection threshold and the corresponding smallest error detection probability. Then, under this worst case, we jointly optimize the transmit and jamming power to maximize the covert secrecy rate while guaranteeing the covert and eavesdropping limits meet their requirements, respectively. Finally, simulation results are presented to prove the correctness of the theoretical conclusion and evaluate the effectiveness of our proposed scheme.</description><identifier>ISSN: 2162-2337</identifier><identifier>EISSN: 2162-2345</identifier><identifier>DOI: 10.1109/LWC.2024.3465871</identifier><identifier>CODEN: IWCLAF</identifier><language>eng</language><publisher>Piscataway: IEEE</publisher><subject>Antennas ; Autonomous aerial vehicles ; Background noise ; Covert communication ; Eavesdropping ; Error analysis ; Error correction ; Error correction & detection ; Error detection ; Gaussian signaling ; Interference ; Jammers ; Jamming ; Optimization ; Owls ; Precoding ; Secrecy aspects ; secure transmission ; Security ; UAV ; Wireless communication ; Wireless communications ; zero-forcing</subject><ispartof>IEEE wireless communications letters, 2024-12, Vol.13 (12), p.3375-3379</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2024</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c217t-c49be3617a3a80cd6691bbb34c4e79e7752d98d9555982a657ef2476882441a13</cites><orcidid>0000-0003-3766-820X ; 0009-0003-4210-0659 ; 0000-0002-4168-9102</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/10685493$$EHTML$$P50$$Gieee$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54736</link.rule.ids></links><search><creatorcontrib>Chen, Xinying</creatorcontrib><creatorcontrib>Chang, Zheng</creatorcontrib><creatorcontrib>Hamalainen, Timo</creatorcontrib><title>Enhancing Covert Secrecy Rate in a Zero-Forcing UAV Jammer-Assisted Covert Communication</title><title>IEEE wireless communications letters</title><addtitle>LWC</addtitle><description>Covert communications can hide confidential signals in environmental noise to avoid being detected and provide comprehensive security for wireless transmissions. However, there still exist significant risks in wireless transmission once being detected. In this letter, we propose a more secure covert scheme, where a multiple antennas transmitter, assisted by a multi-antenna UAV jammer, maximizes the covert secrecy rate under the scenarios of both correct and incorrect detection by a warden with both error detection probability and eavesdropping rate limitations satisfied. The transmitter and jammer adopt maximum ratio transmission (MRT) and zero-forcing, respectively, to maximize the transmission rate and minimize the interference at the legitimate receiver. First, we analyze the monotonicity of error detection probability to determine the optimal power detection threshold and the corresponding smallest error detection probability. Then, under this worst case, we jointly optimize the transmit and jamming power to maximize the covert secrecy rate while guaranteeing the covert and eavesdropping limits meet their requirements, respectively. Finally, simulation results are presented to prove the correctness of the theoretical conclusion and evaluate the effectiveness of our proposed scheme.</description><subject>Antennas</subject><subject>Autonomous aerial vehicles</subject><subject>Background noise</subject><subject>Covert communication</subject><subject>Eavesdropping</subject><subject>Error analysis</subject><subject>Error correction</subject><subject>Error correction & detection</subject><subject>Error detection</subject><subject>Gaussian signaling</subject><subject>Interference</subject><subject>Jammers</subject><subject>Jamming</subject><subject>Optimization</subject><subject>Owls</subject><subject>Precoding</subject><subject>Secrecy aspects</subject><subject>secure transmission</subject><subject>Security</subject><subject>UAV</subject><subject>Wireless communication</subject><subject>Wireless communications</subject><subject>zero-forcing</subject><issn>2162-2337</issn><issn>2162-2345</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>ESBDL</sourceid><sourceid>RIE</sourceid><recordid>eNpNkEtLw0AURgdRsNTuXbgIuE6d92NZQuuDgqBWxc0wmdxqisnUmVTovze1Kt7NdxfnuxcOQqcEjwnB5mL-VIwppnzMuBRakQM0oETSnDIuDv92po7RKKUV7kdiQokeoOdp--ZaX7evWRE-IXbZPfgIfpvduQ6yus1c9gIx5LMQv6nF5DG7cU0DMZ-kVKcOqt9mEZpm09bedXVoT9DR0r0nGP3kEC1m04fiKp_fXl4Xk3nuKVFd7rkpgUmiHHMa-0pKQ8qyZNxzUAaUErQyujJCCKOpk0LBknIltaacE0fYEJ3v765j-NhA6uwqbGLbv7SMcIapkIL3FN5TPoaUIiztOtaNi1tLsN0ptL1Cu1NofxT2lbN9pQaAf7jUghvGvgAAcmrL</recordid><startdate>20241201</startdate><enddate>20241201</enddate><creator>Chen, Xinying</creator><creator>Chang, Zheng</creator><creator>Hamalainen, Timo</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>ESBDL</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-3766-820X</orcidid><orcidid>https://orcid.org/0009-0003-4210-0659</orcidid><orcidid>https://orcid.org/0000-0002-4168-9102</orcidid></search><sort><creationdate>20241201</creationdate><title>Enhancing Covert Secrecy Rate in a Zero-Forcing UAV Jammer-Assisted Covert Communication</title><author>Chen, Xinying ; Chang, Zheng ; Hamalainen, Timo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c217t-c49be3617a3a80cd6691bbb34c4e79e7752d98d9555982a657ef2476882441a13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Antennas</topic><topic>Autonomous aerial vehicles</topic><topic>Background noise</topic><topic>Covert communication</topic><topic>Eavesdropping</topic><topic>Error analysis</topic><topic>Error correction</topic><topic>Error correction & detection</topic><topic>Error detection</topic><topic>Gaussian signaling</topic><topic>Interference</topic><topic>Jammers</topic><topic>Jamming</topic><topic>Optimization</topic><topic>Owls</topic><topic>Precoding</topic><topic>Secrecy aspects</topic><topic>secure transmission</topic><topic>Security</topic><topic>UAV</topic><topic>Wireless communication</topic><topic>Wireless communications</topic><topic>zero-forcing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Xinying</creatorcontrib><creatorcontrib>Chang, Zheng</creatorcontrib><creatorcontrib>Hamalainen, Timo</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE Open Access Journals</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE wireless communications letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Xinying</au><au>Chang, Zheng</au><au>Hamalainen, Timo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhancing Covert Secrecy Rate in a Zero-Forcing UAV Jammer-Assisted Covert Communication</atitle><jtitle>IEEE wireless communications letters</jtitle><stitle>LWC</stitle><date>2024-12-01</date><risdate>2024</risdate><volume>13</volume><issue>12</issue><spage>3375</spage><epage>3379</epage><pages>3375-3379</pages><issn>2162-2337</issn><eissn>2162-2345</eissn><coden>IWCLAF</coden><abstract>Covert communications can hide confidential signals in environmental noise to avoid being detected and provide comprehensive security for wireless transmissions. However, there still exist significant risks in wireless transmission once being detected. In this letter, we propose a more secure covert scheme, where a multiple antennas transmitter, assisted by a multi-antenna UAV jammer, maximizes the covert secrecy rate under the scenarios of both correct and incorrect detection by a warden with both error detection probability and eavesdropping rate limitations satisfied. The transmitter and jammer adopt maximum ratio transmission (MRT) and zero-forcing, respectively, to maximize the transmission rate and minimize the interference at the legitimate receiver. First, we analyze the monotonicity of error detection probability to determine the optimal power detection threshold and the corresponding smallest error detection probability. Then, under this worst case, we jointly optimize the transmit and jamming power to maximize the covert secrecy rate while guaranteeing the covert and eavesdropping limits meet their requirements, respectively. Finally, simulation results are presented to prove the correctness of the theoretical conclusion and evaluate the effectiveness of our proposed scheme.</abstract><cop>Piscataway</cop><pub>IEEE</pub><doi>10.1109/LWC.2024.3465871</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0003-3766-820X</orcidid><orcidid>https://orcid.org/0009-0003-4210-0659</orcidid><orcidid>https://orcid.org/0000-0002-4168-9102</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Antennas Autonomous aerial vehicles Background noise Covert communication Eavesdropping Error analysis Error correction Error correction & detection Error detection Gaussian signaling Interference Jammers Jamming Optimization Owls Precoding Secrecy aspects secure transmission Security UAV Wireless communication Wireless communications zero-forcing |
title | Enhancing Covert Secrecy Rate in a Zero-Forcing UAV Jammer-Assisted Covert Communication |
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