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   Articles with "covert communication" as a keyword



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An approach of covert communication based on the Ethereum whisper protocol in blockchain

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recommendations! Published in 2021 at "International Journal of Intelligent Systems"

DOI: 10.1002/int.22327

Abstract: The traditional covert communication that relies on a central node is vulnerable to detection and attack. Applying blockchain to covert communication can improve the channel's anti‐interference and antitampering. Whisper is the communication protocol of Ethereum,… read more here.

Keywords: information; covert communication; communication; whisper protocol ... See more keywords

A Relay Satellite‐Assisted Covert Communication Position Optimization in 6G Satellite Communication

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recommendations! Published in 2025 at "Electronics Letters"

DOI: 10.1049/ell2.70335

Abstract: Satellite communication, a key technology in the 6G communication system, has advantages such as wide coverage, being unrestricted by geographical conditions, and large communication capacity. However, the communication process timely face eavesdropping from illegal warden… read more here.

Keywords: covert communication; position; satellite communication; communication ... See more keywords

Covert Communication in Relay-Assisted IoT Systems

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recommendations! Published in 2021 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2021.3051694

Abstract: Internet of Things (IoT) systems are of paramount importance to provide ubiquitous wireless connectivity for smart cities. However, such systems are facing security challenges due to the broadcast and openness nature of wireless channels. This… read more here.

Keywords: iot systems; relay; source; selection ... See more keywords

Covert Communication in a Multirelay-Assisted Wireless Network With an Active Warden

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recommendations! Published in 2024 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2024.3353833

Abstract: Wireless connectivity in smart cities relies on widely deployed Internet of Things (IoT) systems. However, the broadcast and open nature of wireless channels in such systems also raise serious security concerns. Covert communication technology presents… read more here.

Keywords: multirelay assisted; covert communication; performance; assisted wireless ... See more keywords
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Blockchain-Based Group Covert Communication for IoT Network

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recommendations! Published in 2025 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2025.3559163

Abstract: The rapid development of the Internet of Things (IoT) has increased the importance of IoT data privacy. Traditional encryption and access control mechanisms are insufficient for ensuring privacy. Blockchain-based covert communication offers enhanced concealment, anonymity,… read more here.

Keywords: blockchain; covert communication; based group; blockchain based ... See more keywords

Performance Analysis and Optimization for Jammer-Aided Multiantenna UAV Covert Communication

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recommendations! Published in 2022 at "IEEE Journal on Selected Areas in Communications"

DOI: 10.1109/jsac.2022.3196131

Abstract: Unmanned aerial vehicles (UAVs) have attracted a lot of research attention because of their high mobility and low cost in serving as temporary aerial base stations (BSs) and providing high data rates for next-generation communication… read more here.

Keywords: uav covert; jammer aided; communication; performance analysis ... See more keywords
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Research on a Covert Communication Model Realized by Using Smart Contracts in Blockchain Environment

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recommendations! Published in 2021 at "IEEE Systems Journal"

DOI: 10.1109/jsyst.2021.3057333

Abstract: The traditional covert communication channel relying on a third-party node is vulnerable to attack. The data are easily tampered with and the identity information of the communication party is fragile. Blockchain has the characteristics of… read more here.

Keywords: communication; contract; model; covert communication ... See more keywords

Multiantenna Joint Covert Communication System With Finite Blocklength

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recommendations! Published in 2023 at "IEEE Systems Journal"

DOI: 10.1109/jsyst.2022.3165055

Abstract: Multiantenna technique can provide a substantial rate gain for wireless communication; however, when applied in covert wireless communication, the potential detecting risk of pilot transmission is always neglected. In this article, for the first time,… read more here.

Keywords: system; communication; multiantenna joint; pilot ... See more keywords

Energy-Efficient Covert Communication With the Aid of Aerial Reconfigurable Intelligent Surface

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recommendations! Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3183637

Abstract: In this letter, a novel aerial reconfigurable intelligent surface (ARIS) assisted covert communication framework is proposed, where RIS is mounted on unmanned aerial vehicle (UAV) to enhance the covert performance of ground transceivers in the… read more here.

Keywords: intelligent surface; energy; reconfigurable intelligent; aerial reconfigurable ... See more keywords

Covert Communication in Uplink NOMA Systems Under Channel Distribution Information Uncertainty

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recommendations! Published in 2023 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2023.3255838

Abstract: It is challenging to covert communication under channel distribution information (CDI) uncertainty caused by limited feedback and rapid-changing channels. This letter investigates covert communication in uplink non-orthogonal multiple access (NOMA) systems under CDI uncertainty, where… read more here.

Keywords: channel distribution; distribution information; uncertainty; communication uplink ... See more keywords

Continuous Message Transmission for Covert Communication

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recommendations! Published in 2024 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2023.3329023

Abstract: In this letter, we investigate continuous message transmission schemes for covert communication under the long-term detection of an adversary. The amount of information is employed to evaluate the performance of communication and analyzed in two… read more here.

Keywords: communication; message transmission; covert communication; continuous message ... See more keywords