Covert communication performance evaluation in UAV-assisted rate-splitting multiple access systems Article Swipe
Nguyen Hong Nhu
,
Chi‐Bao Le
,
Bùi Vũ Minh
,
Minh Tran
,
Sang Quang Nguyen
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1371/journal.pone.0331013
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1371/journal.pone.0331013
In this paper, we investigate using rate-splitting multiple access (RSMA) to facilitate covert communication in a multi-user unmanned aerial vehicle (UAV) downlink communication network that is being monitored by a warden (Willie). We establish a comprehensive analytical framework and derive closed-form expressions for key performance metrics under Nakagami-m fading channels. Specifically, we analyze the detection error probability (DEP) at Willie to quantify system covertness, in addition to outage probability (OP) and ergodic rate (ER) experienced by legitimate users, along with asymptotic analysis in the high signal-to-noise ratio (SNR) region. Furthermore, we propose an efficient alternating optimization algorithm to determine the optimal static position of the UAV that maximizes system covertness. Numerical simulations support the theoretical results derived, present the impact of various system parameters, and provide a performance comparison with non-orthogonal multiple access (NOMA). Results indicate that RSMA offers significant covertness gains over the NOMA scheme.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1371/journal.pone.0331013
- https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0331013&type=printable
- OA Status
- gold
- References
- 51
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4413637004
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4413637004Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1371/journal.pone.0331013Digital Object Identifier
- Title
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Covert communication performance evaluation in UAV-assisted rate-splitting multiple access systemsWork title
- Type
-
articleOpenAlex work type
- Language
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enPrimary language
- Publication year
-
2025Year of publication
- Publication date
-
2025-08-26Full publication date if available
- Authors
-
Nguyen Hong Nhu, Chi‐Bao Le, Bùi Vũ Minh, Minh Tran, Sang Quang NguyenList of authors in order
- Landing page
-
https://doi.org/10.1371/journal.pone.0331013Publisher landing page
- PDF URL
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https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0331013&type=printableDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
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https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0331013&type=printableDirect OA link when available
- Concepts
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Telecommunications link, Computer science, Fading, Ergodic theory, Signal-to-noise ratio (imaging), Covert, Key (lock), Algorithm, Mathematics, Computer network, Decoding methods, Telecommunications, Computer security, Mathematical analysis, Philosophy, LinguisticsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- References (count)
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51Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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