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Performance analysis of congestion-aware secure broadcast channels
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- Arvanitaki, Antonia (författare)
- Linköpings universitet,Programvara och system,Tekniska fakulteten
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- Pappas, Nikolaos (författare)
- Linköpings universitet,Kommunikations- och transportsystem,Tekniska fakulteten
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- Carlsson, Niklas (författare)
- Linköpings universitet,Databas och informationsteknik,Tekniska fakulteten
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- (creator_code:org_t)
- 2021-09-25
- 2021
- Engelska.
- Ingår i: EURASIP Journal on Wireless Communications and Networking. - : Springer. - 1687-1472 .- 1687-1499. ; 2021:1
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- Congestion-aware scheduling in case of downlink cellular communication has ignored the distribution of diverse content to different clients with heterogeneous secrecy requirements. Other possible application areas that encounter the preceding issue are secure offloading in mobile-edge computing, and vehicular communication. In this paper, we extend the work in Arvanitaki et al. (SN Comput Sci 1(1):53, 2019) by taking into consideration congestion and random access. Specifically, we study a two-user congestion-aware broadcast channel with heterogeneous traffic and different security requirements. We consider two randomized policies for selecting which packets to transmit, one is congestion-aware by taking into consideration the queue size, whereas the other one is congestion-agnostic. We analyse the throughput and the delay performance under two decoding schemes at the receivers, and provide insights into their relative security performance and into how congestion control at the queue holding confidential information can help decrease the average delay per packet. We show that the congestion-aware policy provides better delay, throughput, and secrecy performance for large arrival packet probabilities at the queue holding the confidential information. The derived results also take account of the self-interference caused at the receiver for whom confidential data is intended due to its full-duplex operation while jamming the communication at the other user. Finally, for two decoding schemes, we formulate our problems in terms of multi-objective optimization, which allows for finding a trade-off between the average packet delay for packets intended for the legitimate user and the throughput for the other user under congestion-aware policy.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
Nyckelord
- Broadcast channel; Queueing; Congestion control; Secrecy; Multi-objective optimization
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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- EURASIP Journal on Wireless Communications and Networking (Sök värdpublikationen i LIBRIS)
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