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dc.contributor.authorNarmanlioglu, Ömer
dc.contributor.authorCaglar Kizilirmak, R.
dc.contributor.authorMiramirkhani, Farshad
dc.contributor.authorUysal, Murat
dc.description.abstractIn this chapter, we explore the concept of cooperative transmissions in the context of visible light communications (VLC). An indoor office space is considered with two light sources; the one at the ceiling is connected to the backbone network and provides ambient light to the environment while the other one is mounted on the desk and used for task lighting. The system architecture builds upon DC biased optical orthogonal frequency-division multiplexing (DCO-OFDM). The task light performs relaying operation in either amplify-and-forward (AF) or decode-and-forward (DF) mode. Illumination constraints for task lighting are further considered in order to design a cooperative VLC system that provides satisfactory lighting. The communication performance of the system is optimized through a subcarrier-based power allocation mechanism. Numerical results incorporating practical issues such as band-limited channel process and imperfect channel estimation reveal that cooperative VLC systems can significantly outper-form the conventional point-to-point VLC systems.en_US
dc.publisherSpringer Science+Business Media
dc.relation.ispartofOptical Wireless Communications: An Emerging Technology, Part of Signals and Communication Technology book series
dc.titleCooperative visible light communicationsen_US
dc.typeBook chapteren_US
dc.contributor.departmentÖzyeğin University
dc.contributor.authorID(ORCID 0000-0001-5945-0813 & YÖK ID 124615) Uysal, Murat
dc.contributor.ozuauthorUysal, Murat
dc.subject.keywordsVisible light communication
dc.subject.keywordsCooperative communication
dc.contributor.ozugradstudentNarmanlioglu, Ömer
dc.contributor.ozugradstudentMiramirkhani, Farshad

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