Physical Layer Security for Multi-User Mimo Visible Light Communication Systems With Generalized Space Shift Keying

dc.contributor.author Su, Nugman
dc.contributor.author Panayırcı, Erdal
dc.contributor.author Panayırcı, Erdal
dc.contributor.author Koca, Mutlu
dc.contributor.author Yeşilkaya, Anıl
dc.contributor.author Poor, Harold Vincent
dc.contributor.author Haas, Harald
dc.contributor.other Electrical-Electronics Engineering
dc.date.accessioned 2021-05-15T13:15:45Z
dc.date.available 2021-05-15T13:15:45Z
dc.date.issued 2021
dc.description.abstract We consider the physical layer security (PLS) of multi-user (MU) multiple-input-multiple-output visible light communication (VLC) systems with an eavesdropper (Eve) and propose a novel spatial constellation design technique based on generalized space shift keying (MU-GSSK-SCD). The received signals of the legitimate users are optimized jointly, such that their bit error ratios (BERs) are minimized and Eve's BER is significantly degraded. The emission power of randomly selected light-emitting diodes is adjusted, by exploiting users' channel state information at the transmitter. Our strategy ensures that legitimate users receive confidential messages fully in an undistorted fashion, while any meaningful leakage to Eve is strongly prohibited, without any artificial noise addition. Every user can decode only its information, hence inter-user security is also guaranteed. The PLS improvements are presented in terms of both BERs and achievable secrecy rates in practical VLC scenarios. For various user configurations, it is shown that MU-GSSK-SCD increases the BER at Eve to the 0.5 level, while providing minimized BERs to the legitimate users. The achievable secrecy rate region is derived for MU-GSSK-SCD and it is shown that full secrecy can be achieved at 0 dB signal-to-noise ratio (SNR) level with a user separation as small as 90 cm. en_US
dc.identifier.citationcount 22
dc.identifier.doi 10.1109/TCOMM.2021.3050100 en_US
dc.identifier.endpage 2598 en_US
dc.identifier.issn 0090-6778 en_US
dc.identifier.issn 0090-6778
dc.identifier.issue 4 en_US
dc.identifier.scopus 2-s2.0-85099569011 en_US
dc.identifier.startpage 2585 en_US
dc.identifier.uri https://hdl.handle.net/20.500.12469/4023
dc.identifier.volume 69 en_US
dc.identifier.wos WOS:000641964800037 en_US
dc.identifier.wosquality Q1
dc.institutionauthor Panayırcı, Erdal en_US
dc.language.iso en en_US
dc.publisher Institute of Electrical and Electronics Engineers Inc. en_US
dc.relation.journal IEEE Transactions on Communications en_US
dc.relation.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
dc.rights info:eu-repo/semantics/openAccess en_US
dc.scopus.citedbyCount 39
dc.subject Generalized space shift keying (GSSK) en_US
dc.subject Multi-user communication en_US
dc.subject Multiple-input-multiple-output channels (MIMO) en_US
dc.subject Physical layer security (PLS) en_US
dc.subject Secrecy rate region en_US
dc.subject Visible light communication (VLC) en_US
dc.title Physical Layer Security for Multi-User Mimo Visible Light Communication Systems With Generalized Space Shift Keying en_US
dc.type Article en_US
dc.wos.citedbyCount 34
dspace.entity.type Publication
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relation.isOrgUnitOfPublication.latestForDiscovery 12b0068e-33e6-48db-b92a-a213070c3a8d

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