Covert Communication in Fading Channels under Channel Uncertainty
| dc.contributor.author | Shahzad, Khurram | en_AU |
| dc.contributor.author | Yan, Shihao | en_AU |
| dc.contributor.author | Zhou, Xiangyun | en_AU |
| dc.date.accessioned | 2018-09-17T05:50:47Z | |
| dc.date.available | 2018-09-17T05:50:47Z | |
| dc.date.created | 2017 | en_AU |
| dc.date.issued | 2017 | |
| dc.description.abstract | A covert communication system under block fading channels is considered, where users experience uncertainty about their channel knowledge. The transmitter seeks to hide the covert communication to a private user by exploiting a legitimate public communication link, while the warden tries to detect this covert communication by using a radiometer. We derive the exact expression for the radiometer’s optimal threshold, which determines the performance limit of the warden’s detector. Furthermore, for given transmission outage constraints, the achievable rates for legitimate and covert users are analyzed, while maintaining a specific level of covertness. Our numerical results illustrate how the achievable performance is affected by the channel uncertainty and required level of covertness. | en_AU |
| dc.description.sponsorship | ARC Discovery Projects Grant DP150103905 | en_AU |
| dc.format.extent | 5 pages | en_AU |
| dc.format.mimetype | application/pdf | en_AU |
| dc.identifier.isbn | 978-1-5090-5932-4 | en_AU |
| dc.identifier.uri | http://hdl.handle.net/1885/147636 | |
| dc.language.iso | en_AU | en_AU |
| dc.provenance | https://www.ieee.org/publications/rights/index.html#ieee-open-access..."The revised policy reaffirms the principle that authors are free to post the accepted version of their articles on their personal websites or those of their employers." from SHERPA/RoMEO site (as at 10/09/18). | en_AU |
| dc.publisher | Institute of Electrical and Electronics Engineers (IEEE) | en_AU |
| dc.relation | http://purl.org/au-research/grants/arc/DP150103905 | en_AU |
| dc.rights | IEEE | en_AU |
| dc.title | Covert Communication in Fading Channels under Channel Uncertainty | en_AU |
| dc.type | Conference paper | en_AU |
| dcterms.accessRights | Open Access | en_AU |
| local.bibliographicCitation.lastpage | 5 | en_AU |
| local.bibliographicCitation.startpage | 1 | en_AU |
| local.contributor.affiliation | Zhou, Xiangyun, Research School of Engineering, The Australian National University | en_AU |
| local.contributor.authoremail | xiangyun.zhou@anu.edu.au | en_AU |
| local.contributor.authoruid | Zhou, Xiangyun (Sean), u2586105 | en_AU |
| local.identifier.doi | 10.1109/VTCSpring.2017.8108525 | en_AU |
| local.identifier.uidSubmittedBy | u1027010 | en_AU |
| local.publisher.url | http://www.ieee.org/index.html | en_AU |
| local.type.status | Accepted Version | en_AU |
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