An approach of covert communication based on the Ethereum whisper protocol in blockchain
Sign Up to like & getrecommendations! 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
Covert Communication in Relay-Assisted IoT Systems
Sign Up to like & getrecommendations! 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
Performance Analysis and Optimization for Jammer-Aided Multiantenna UAV Covert Communication
Sign Up to like & getrecommendations! 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
Research on a Covert Communication Model Realized by Using Smart Contracts in Blockchain Environment
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Covert Communication With Cognitive Jammer
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2020.3003472
Abstract: This letter studied the covert communication with the help of the cognitive jammer over an additive white Gaussian noise (AWGN) channel. The cognitive jammer first senses Alice’s transmission; then, based on its sensing results, it… read more here.
Keywords: cognitive jammer; communication cognitive; jammer; covert communication ... See more keywords
Adaptive Power Control for Cooperative Covert Communication With Partial Channel State Information
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3172683
Abstract: In jammer-assisted covert communication scenarios, jamming signals also degrade the communication between legitimate users. Considering that it is difficult for a transmitter to obtain all the required channel state information (CSI), we propose an adaptive… read more here.
Keywords: state information; power control; channel state; communication ... See more keywords
Covert Communication Over Gaussian Multiple-Access Channels With Feedback
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3190477
Abstract: We consider the covert communication over the two-user Gaussian multiple access channel (GMAC) with causal feedback. It is shown that any causal feedback does not enlarge the covert capacity region and the time-division scheme is… read more here.
Keywords: covert communication; causal feedback; gaussian multiple; multiple access ... See more keywords
Covert Communication Assisted by UAV-IRS
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2022.3220903
Abstract: With the benefits of unmanned aerial vehicle (UAV) and intelligent reflecting surface (IRS), they can be combined to further enhance the communication performance. However, the high-quality air-ground channel is more vulnerable to the adversarial eavesdropping.… read more here.
Keywords: uav irs; communication; transmission; covert communication ... See more keywords