1. Smart Lighting Summer Challenge Course Thomas Little

2. Boston University Slideshow Title Goes Here Overview  Structure of the course  The Smart Lighting Engineering Research Center  The Vision of the Center  Visual Light Communications (VLC)  The Lab Kits

3. Boston University Slideshow Title Goes Here Structure of the Course  Goal: iteratively build up skills and knowledge to create a point to point visible light communications system  Use Mobile Studio and the Rhett Board to investigate LEDs, modulation, and data communications  A set of lab modules that will be completed in class  Lab log books  Final summary and presentation by the class of the work done in lab

4. Boston University Slideshow Title Goes Here The Smart Lighting Center  Fundamental advancements in LEDs – that enable a wide range of new applications in  Bio-imaging  Communications  Display technologies  Exploit strength in  Novel materials  Devices  Downstream systems  Strong commitment to education, supporting underrepresented groups  10 years > $18M from National Science Foundation  > $50M via supplementary university, state, industry  Boston University role  Communications and networking

5. Boston University Slideshow Title Goes Here THE 20 TH CENTURY: BATHED IN ELECTRIC LIGHT Easy off and easy on Light Quality: White Hot Filaments Plasmas Sensors Controls Controls: On/Off/Dim – Human Operator Sensors: Limited or not used Bulbs, Tubes and Fixtures Everyone is a Lighting User

6. Boston University Slideshow Title Goes Here ANOTHER REVOLUTION IN LIGHTING IS COMING First Wave Philips L-Prize Bulb Globally, over 3000 companies making LED bulbs Much more efficient, even than CFLs Adequate white light, but that is about it

7. Boston University Slideshow Title Goes Here Color High Speed Switching Spatial Control Polarization Selectivity Electric Lighting barely taps the full power of Photons BUT LIGHT CAN DO SO MUCH MORE…

8. Boston University Slideshow Title Goes Here THE SECOND WAVE: SMART LIGHTING Electric LightingElectronic Lighting Luminaires with ComponentsNovel Integrated Systems Bulbs, Sockets, Ballasts (commodity)Semi-permanent (Durable Goods) Limited control: on/off/dimFully Integrated Sensors, Controls Different Shades of White Any Color, any time Complete New Capabilities and Features with Smart Lighting Systems Data with Illumination Illumination with Video Content Visible Light Communications Biochemical Sensing and Mitigation Circadian Corrected Lighting Self Commissioning Lighting Systems

9. Boston University Slideshow Title Goes Here SMART LIGHTING ERC VISION Synthesizing Light for the Benefit of Humanity Engineered light for energy efficiency, health, productivity Immersive Lighting

10. Boston University Slideshow Title Goes Here SMART LIGHTING SOCIETAL BENEFITS

11. Boston University Slideshow Title Goes Here ENERGY SAVINGS: EFFICIENT SOURCES, CONTROLS

12. Boston University Slideshow Title Goes Here Energy Efficiency Gains in Lighting

13. Boston University Slideshow Title Goes Here Energy Savings Goals Adapted from the DOE SSL Report, February 2010 1 Quad ~ 172 M barrels of oil equivalent RGBY Lighting Controls Sensors provide key information

14. Boston University Slideshow Title Goes Here Quantification of solid-state lighting benefits Energy benefits  22% of electricity used for lighting  LED lighting can be 20  and 5  more efficient than incandescent and fluorescent lighting, respectively  Reduction in energy consumption > 10 20 J (*)  Barrels of crude oil not needed: 0.96  10 9 (*)  Power plants not needed: 280 (*) Environmental benefits  Global warming: Reduction of CO2 emissions > 10 Gt (*)  Acid rain: Reduction of SO2 emissions  Mercury, Hg: Reduction of toxic Hg emissions / Hg in homes Financial and economic benefits  Reduction in electrical energy cost > 10 12 $ (*) (*) over 10 years, worldwide, see Schubert et al. Reports on Progress in Physics 69, 3069 (2006) Switzerland CO 2,SO 2, NO x, Hg, U Cause: CO 2 Czech Republic Cause: SO 2 Antarctica United States Cause: Waste heat and acid rain

15. Boston University Slideshow Title Goes Here Performance, Well-being, Satisfaction, and HEALTH Circadian System IntensitySpectrumDurationDistributionTiming IntensitySpectrumDurationDistributionTiming IESNA Circadian Disruption: Cancer Heart Disease Diabetes Obesity Circadian Disruption: Cancer Heart Disease Diabetes Obesity Visual System What Else? Cognition Memory Recovery What Else? Cognition Memory Recovery 15 Lighting Impacts Health

16. Boston University Slideshow Title Goes Here Distributed Biochemical Sensing UVC Germicidal Mitigation UVA Photocatalytic Purification Biochemical Sensing and Mitigation

17. Boston University Slideshow Title Goes Here The Right Light, Where and When You Need It Lighting – Changes are Coming

18. Boston University Slideshow Title Goes Here Visible Light Communications: what it is  Synopsis  Modulated light  Visible spectrum (you can see it)  A la ship to ship Morse code  Point to point in simplest form  Illumination + communication in the dominant scenarios Time Intensity Observer Source

19. Boston University Slideshow Title Goes Here Use Cases Drive the “Systems Pull”  Increasing safety in transportation with active braking  Reducing total cost of ownership in indoor illumination and industrial automation by wire elimination

20. Boston University Slideshow Title Goes Here Use Cases Cont. 3.Enabling densely-packed indoor wireless video streaming (e.g., in airplane) 4.Providing ubiquitous network access where there is human-created light (light=smarts [network/control/communicat ions])

21. Boston University Slideshow Title Goes Here Indoor Wireless Access Qualities: Ubiquitous RF-free zone Privacy Localization Visible Light Communications (VLC) Leveraging Lighting for Communications

22. Boston University Slideshow Title Goes Here Reduced Health Care Costs 1.Enable lighting that is responsive to human needs: quality, timing, characteristic 2.Indoor localization for assisted living, asset mgmt. 3.Enabling safety messaging, remediation protocols Communications & Networking is essential for these benefits Why VLC? Realize the goals From NXP Color control Indoor Navigation

23. Boston University Slideshow Title Goes Here Energy Efficiency & Sustainability 1.Control of lighting for exactly meeting human needs 2.Load management, building management 3.Feedback for individual or aggregations of devices Why VLC? Realize the goals Internet & Grid Lighting tightly integrated into energy management systems Communications & Networking is essential for these benefits

24. Boston University Slideshow Title Goes Here Increased Productivity 1.Reconcile proliferation of devices in ‘the internet of things’ 2.Responsive low-latency interaction as data consumption skyrockets 3.Localized, high-data-rate communications, and adapting to the limitations of the medium 4.Opportunity to decrease costs via interoperability and reduction in TCO Need responsiveness, speed, and ubiquity of access in the immersive lighting field. Leverage lighting for communications. Why VLC? Realize the goals Immersive Lighting

25. Boston University Slideshow Title Goes Here Wired Interconnect AP1AP2AP3 Network Router and WiFi Access Point How VLC Helps (Cooperative) Strategy: Use WiFi, but offload traffic to VLC luminaires for the downlink only Augmenting indoor spaces with VLC access can significantly improve performance of existing wireless (WiFi) channels 5 Mb/s 15 Mb/s Luminaires

26. Boston University Slideshow Title Goes Here Hand-off for Mobility

27. Boston University Slideshow Title Goes Here Network Media Conversion (Bridging) Input Power Modulation Receivers Color/ intensity control Optical Channel Signal Processing LED Drivers Power Conversion Fixture Enclosure Nano-plasmonics Reference Model Diversity MIMO 2011 2018 Fusion in Lighting and Display

28. Boston University Slideshow Title Goes Here