Article(id=1324320236127781179, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1324320221309313194, articleNumber=null, orderNo=null, doi=10.3981/j.issn.1000-7857.2025.09.00016, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1756828800000, receivedDateStr=2025-09-03, revisedDate=1770566400000, revisedDateStr=2026-02-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1793672148973, onlineDateStr=2026-11-03, pubDate=1790524800000, pubDateStr=2026-09-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793672148973, onlineIssueDateStr=2026-11-03, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793672148973, creator=13701087609, updateTime=1793672148973, updator=13701087609, issue=Issue{id=1324320221309313194, tenantId=1146029695717560320, journalId=1146031591421210625, year='2026', volume='44', issue='18', pageStart='1', pageEnd='180', issueExtLink='null', onlineDate='null', pubDate='1790524800000', pubDateStr='2026-09-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793672145439, creator='13701087609', updateTime=1793673806843, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324327189847605469, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1324320221309313194, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324327189847605470, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1324320221309313194, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=152, endPage=158, ext={EN=ArticleExt(id=1324320238166212925, articleId=1324320236127781179, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Game−theoretic defense framework against jamming−assisted surveillance in covert communications, columnId=1150494644690366681, journalTitle=Science & Technology Review, columnName=Papers, runingTitle=null, highlight=null, articleAbstract=
To address transmission exposure and link jamming in covert communications when an active warden is capable of both signal detection and intentional jamming, a covert communication strategy against warden jamming based on a bilevel game is proposed. The transmitter randomly selects a subset of the available channels to transmit uplink signals, while the receiver employs maximal-ratio combining for signal reception. The warden distinguishes idle channels, artificial-noise channels, and uplink-signal channels through ternary hypothesis testing and subsequently performs targeted jamming according to the detection results. To increase the warden's detection uncertainty, a cooperative jammer randomly selects a subset of the available channels not occupied by the uplink transmission to transmit artificial noise. On this basis, the transmitter, warden, and cooperative jammer respectively aim to minimize the detection probability of the uplink signal, maximize the detection probability, and maximize the detection-error probability. A tripartite bilevel game model is formulated subject to constraints on the communication signal-to-noise ratio, false-alarm probability, and transmit power. The number of transmission channels, the warden's detection thresholds, and the number of artificial-noise channels are jointly optimized. Simulation results demonstrate that the proposed strategy effectively increases the warden's detection uncertainty, reduces the probability that the uplink transmission is successfully detected and effectively jammed, and improves the transmission performance of the legitimate communication link. The proposed approach provides a theoretical reference for highly secure wireless communications and anti-jamming covert transmission under active detection and jamming threats.
, authors=Jinxing WU, Xing DI, Chuan YIN, Ruizhen SONG, Tielin LI, authorsList=Jinxing WU, Xing DI, Chuan YIN, Ruizhen SONG, Tielin LI, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1324320239994929479, articleId=1324320236127781179, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=对抗监察者干扰攻击的博弈策略, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
针对主动监察者兼具信号检测与干扰能力时隐蔽通信面临的传输暴露和链路干扰问题,提出一种基于双层博弈的抗监察者干扰隐蔽通信策略。发射机在多个可用信道中随机选择部分信道传输上行信号,接收机采用最大比合并方式进行接收;监察者基于三元假设检验判别空闲信道、人工噪声信道和上行信号信道,并依据检测结果实施针对性干扰。为增加监察者的检测不确定性,协作干扰机在未承载上行信号的可用信道中随机选择部分信道发送人工噪声。在此基础上,分别以最小化上行信号检测概率、最大化检测概率以及最大化检测错误概率为发射机、监察者和协作干扰机的优化目标,在通信信噪比、虚警概率及功率等约束下构建三方双层博弈模型,并对发射信道数量、监察者检测阈值及人工噪声信道数量等策略变量进行联合求解。仿真结果表明,所提策略能够有效增加监察者的检测不确定性,降低上行信号被检测和有效干扰的概率,同时改善合法通信链路的传输性能。研究结果可为主动检测与干扰威胁下的高安全无线通信和抗干扰隐蔽传输提供理论参考。
, authors=吴金星, 邸兴, 尹川, 宋瑞祯, 李铁林, authorsList=吴金星, 邸兴, 尹川, 宋瑞祯, 李铁林, authorCompany=null, correspAuthors=null, authorNote=
, correspAuthorsNote=null, copyrightStatement=
版权所有,未经授权,不得转载。, copyrightOwner=《科技导报》编辑部, extLink=null, articleAbsUrl=null, sourceXml=5CZPHyVOabseDO/BzRLUHg==, magXml=kx8Dy7V+HG2WOlLvlkpYGQ==, pdfUrl=null, pdf=As0wDp1rxRN1gxhMJ4buGA==, pdfFileSize=1133996, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=frE/PFwiGcEMPxWwsLQz8A==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=zObFeHjd7++58iaFamUUAQ==, mapNumber=null, fund=null)}, authors=[Author(id=1324320240414359884, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320236127781179, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=jinxingwu_xidian@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1324320240485663053, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320236127781179, authorId=1324320240414359884, language=EN, stringName=Jinxing WU, firstName=Jinxing, middleName=null, lastName=WU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=null, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1324320242171773263, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320236127781179, authorId=1324320240414359884, language=CN, stringName=吴金星, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=null, bio={"content":"
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| 参数 | 说明 | 数值 |
|---|
| $ M $ | 总信道数 | 10个 |
| $ P_{\mathrm{A}}^M $ | 最大功率 | 20 dBm |
| $ P_{\mathrm{J}}^M $ | 干扰机最大功率 | 5~25 dBm |
| $ P_{\mathrm{W}}^M $ | 监察者最大功率 | 15 dBm |
| $ \beta $ | 接收端最小信噪比阈值 | 1 |
| $ \mu $ | 检测阶段时隙占比 | 30% |
| $ D $ | 检测符号数 | 100 |
| $ \sigma _0^2 $ | 噪声功率 | −110 dBm |
), ArticleFig(id=1324320253689332087, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1324320236127781179, language=CN, label=表1, caption=
仿真参数设置
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| 参数 | 说明 | 数值 |
|---|
| $ M $ | 总信道数 | 10个 |
| $ P_{\mathrm{A}}^M $ | 最大功率 | 20 dBm |
| $ P_{\mathrm{J}}^M $ | 干扰机最大功率 | 5~25 dBm |
| $ P_{\mathrm{W}}^M $ | 监察者最大功率 | 15 dBm |
| $ \beta $ | 接收端最小信噪比阈值 | 1 |
| $ \mu $ | 检测阶段时隙占比 | 30% |
| $ D $ | 检测符号数 | 100 |
| $ \sigma _0^2 $ | 噪声功率 | −110 dBm |
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