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Fundamental Scaling Laws of Covert Communication in the Presence of Block Fading
Information Theory · Submitted 18 Jul 2024
abstract compiled · 2026-09-24 · no language-model review
The authors' main claim Matching achievable and converse results are presented.
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The abstract, sentence by sentence
Covert communication is the undetected transmission of sensitive information over a communication channel. In wireless communication systems, channel impairments such as signal fading present challenges in the effective implementation and analysis of covert communication systems. This paper generalizes early work in the covert communication field by considering asymptotic results for the number of bits that can be covertly transmitted in $n$ channel uses on a block fading channel. Critical to the investigation is characterizing the performance of optimal detectors at the adversary. Matching achievable and converse results are presented.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Covert communication is the undetected transmission of sensitive information over a communication channel. | background 1.00 | 0.05 | 0.02 | asserted 1.00 |
| s1 | In wireless communication systems, channel impairments such as signal fading present challenges in the effective implementation and analysis of covert communication systems. | background 1.00 | 0.05 | 0.02 | asserted 1.00 |
| s2 | This paper generalizes early work in the covert communication field by considering asymptotic results for the number of bits that can be covertly transmitted in $n$ channel uses on a block fading channel. | contribution 1.00 | 0.90 | 0.21 | asserted 0.98 |
| s3 | Critical to the investigation is characterizing the performance of optimal detectors at the adversary. | method 0.75 | 0.41 | 0.05 | asserted 0.99 |
| s4 | Matching achievable and converse results are presented. | contribution 0.57 | 0.92 | 0.16 | asserted 0.99 |
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The paper
Original abstract
Covert communication is the undetected transmission of sensitive information over a communication channel. In wireless communication systems, channel impairments such as signal fading present challenges in the effective implementation and analysis of covert communication systems. This paper generalizes early work in the covert communication field by considering asymptotic results for the number of bits that can be covertly transmitted in $n$ channel uses on a block fading channel. Critical to the investigation is characterizing the performance of optimal detectors at the adversary. Matching achievable and converse results are presented.
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