Security Performance Analysis for an OTFS-Based Joint Unicast-Multicast Streaming System

Zhuangzhuang Tie; Jia Shi; Zan Li; Shuangyang Li; Wei Liang

doi:10.1109/TCOMM.2022.3198427

Security Performance Analysis for an OTFS-Based Joint Unicast-Multicast Streaming System

Zhuangzhuang Tie, Jia Shi, Zan Li, Shuangyang Li, Wei Liang

School of Electronics and Information

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

This paper investigates the security performance of a joint unicast-multicast streaming system, where different users present heterogeneous mobilities. The orthogonal time frequency space (OTFS) scheme is employed to overcome severe Doppler effect caused by high mobility. The closed-form expression is derived for the maximum secrecy rate of unicast transmission with high privacy. Furthermore, the positive secure capacity probability (PSCP) of unicast transmission is also obtained and analyzed. Our analytical results show that compared with high-mobility eavesdroppers, low-mobility eavesdroppers pose a greater threat to unicast secrecy. Moreover, when the outage probability of unicast is greater than 1/2, more time frequency (TF) resources should be allocated to unicast, in order to guarantee the security performance of unicast.

Original language	English
Pages (from-to)	6764-6777
Number of pages	14
Journal	IEEE Transactions on Communications
Volume	70
Issue number	10
DOIs	https://doi.org/10.1109/TCOMM.2022.3198427
State	Published - 1 Oct 2022

Keywords

doubly-dispersive channel
OTFS
physical-layer security
unicast-multicast

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10.1109/TCOMM.2022.3198427

Cite this

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title = "Security Performance Analysis for an OTFS-Based Joint Unicast-Multicast Streaming System",

abstract = "This paper investigates the security performance of a joint unicast-multicast streaming system, where different users present heterogeneous mobilities. The orthogonal time frequency space (OTFS) scheme is employed to overcome severe Doppler effect caused by high mobility. The closed-form expression is derived for the maximum secrecy rate of unicast transmission with high privacy. Furthermore, the positive secure capacity probability (PSCP) of unicast transmission is also obtained and analyzed. Our analytical results show that compared with high-mobility eavesdroppers, low-mobility eavesdroppers pose a greater threat to unicast secrecy. Moreover, when the outage probability of unicast is greater than 1/2, more time frequency (TF) resources should be allocated to unicast, in order to guarantee the security performance of unicast.",

keywords = "doubly-dispersive channel, OTFS, physical-layer security, unicast-multicast",

author = "Zhuangzhuang Tie and Jia Shi and Zan Li and Shuangyang Li and Wei Liang",

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AU - Shi, Jia

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AU - Liang, Wei

PY - 2022/10/1

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Security Performance Analysis for an OTFS-Based Joint Unicast-Multicast Streaming System

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Keywords

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