Software-Defined Lighting.

Show simple item record Kuo, Ye-Sheng en_US 2015-05-14T16:26:31Z NO_RESTRICTION en_US 2015-05-14T16:26:31Z 2015 en_US 2015 en_US
dc.description.abstract For much of the past century, indoor lighting has been based on incandescent or gas-discharge technology. But, with LED lighting experiencing a 20x/decade increase in flux density, 10x/decade decrease in cost, and linear improvements in luminous efficiency, solid-state lighting is finally cost-competitive with the status quo. As a result, LED lighting is projected to reach over 70% market penetration by 2030. This dissertation claims that solid-state lighting’s real potential has been barely explored, that now is the time to explore it, and that new lighting platforms and applications can drive lighting far beyond its roots as an illumination technology. Scaling laws make solid-state lighting competitive with conventional lighting, but two key features make solid-state lighting an enabler for many new applications: the high switching speeds possible using LEDs and the color palettes realizable with Red-Green-Blue-White (RGBW) multi-chip assemblies. For this dissertation, we have explored the post-illumination potential of LED lighting in applications as diverse as visible light communications, indoor positioning, smart dust time synchronization, and embedded device configuration, with an eventual eye toward supporting all of them using a shared lighting infrastructure under a unified system architecture that provides software-control over lighting. To explore the space of software-defined lighting (SDL), we design a compact, flexible, and networked SDL platform to allow researchers to rapidly test new ideas. Using this platform, we demonstrate the viability of several applications, including multi-luminaire synchronized communication to a photodiode receiver, communication to mobile phone cameras, and indoor positioning using unmodified mobile phones. We show that all these applications and many other potential applications can be simultaneously supported by a single lighting infrastructure under software control. en_US
dc.language.iso en_US en_US
dc.subject Software-Defined Lighting en_US
dc.title Software-Defined Lighting. en_US
dc.type Thesis en_US
dc.description.thesisdegreename PhD en_US
dc.description.thesisdegreediscipline Electrical Engineering en_US
dc.description.thesisdegreegrantor University of Michigan, Horace H. Rackham School of Graduate Studies en_US
dc.contributor.committeemember Dutta, Prabal en_US
dc.contributor.committeemember Cutler, James W. en_US
dc.contributor.committeemember Zhang, Zhengya en_US
dc.contributor.committeemember Blaauw, David en_US
dc.subject.hlbsecondlevel Electrical Engineering en_US
dc.subject.hlbtoplevel Engineering en_US
dc.owningcollname Dissertations and Theses (Ph.D. and Master's)
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