Expand the setup to 4x4 s-MIMO Incorporate FPGAs at the transmitter and receiver to demonstrate high...
1
• Expand the setup to 4x4 s-MIMO • Incorporate FPGAs at the transmitter and receiver to demonstrate high speed wireless VLC link • Install the setup in VLC + adaptive lighting testbed to demonstrate illumination, control and VLC in an integrated system • Investigate wavelength division multiplexing (λ-MIMO) VLC system and optimize for different use cases • Investigate wavelength division spatial multiplexing (hybrid- MIMO) and optimize • Develop/Acquire color tunable luminaire capable of high speed modulation • Develop specifications for multicolored imaging receiver • Demonstrate SOA and proof of concepts • : Radiant flux output from transmitter j • Free Space Gain • Optics Gain • Image Magnification • Image Gain • Aggregate Channel Gain • Received Signal Power • is combining algorithm • Pankil Butala, Jimmy Chau, Hany Elgala and Prof. Thomas D. C. Little 1 Sagar Ray, Ethan Spitz and Prof. Mona Hella 2 Ali Mirvakili and Prof. Valencia Koomson 3 1 Boston University, 2 Rensselaer Polytechnic Institute, 3 Tufts University Project’s ERC Role Relevant Research Societal Benefits Acknowledgements This work is supported by the NSF under cooperative agreement EEC-0812056 and by New York State under NYSTAR contract C090145. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Indoor Diffuse Optical MIMO Communication System • Develop system to service high speed wireless data access along with controllable indoor space illumination Project Goals T1.2.3 Efficiency: Automated, controllable illumination leads to efficient use of electrical power and thus large energy savings Health: Controllable illumination and higher data rates enable smart room services that can monitor and improve health Productivity: Higher wireless data bandwidths can enable new sophisticated real time applications that can improve productivity Future Work Research Results Light Flow Modeling Human Factors & Interfaces Adaptive Sampling & Control Modeling Communications Testbed -Lighting Industries -Health Care Industries -Communications Industries -Prototypes -Design Standards -Integration Protocols STAKEHOLDER S Advanced Luminaires Biochemical Sensors Communication Transceiver & Protocol Efficient Full Spectrum Lighting Display Illumination Fusion Healthy Room Data Room BARRIERS - System Cost - Lighting Designer acceptance - Light/RF Wireless standards integration - Clinical Impacts BARRIERS - Color and intensity uniformity maintenance - Stray light impact on sensor SNR - Lack of source/sensor communications protocols -Biochem-identification & discrimination Biochemical Sensing Testbed Adaptive Lighting Testbed Communications Testbed BARRIERS - Inefficient LEDs (except Blue) - Limited bandwidth of sources - Lack of color discriminating sensors - Lack of monolithic optoelectronic integration Technology Integration Technology Base Opto Electronic Device Design Nano LED Technolo gy Photonic Crystal Optics Color- selective High Speed Sensors III-Nitride Epitaxy High Efficiency Phosphors Plasmonic Structures Knowledge Base Level 3: Systems Level 2: Enabling Technologies Level 1: Fundamental Knowledge SYSTEM REQUIREMENTS Technology Elements Fundamental Insights System Performan ce Feedback Subsystems & Protocols Performance Feedback Materials & Devices Products & Outcomes Requirement s • High data rates achieved using Multi-Input, Multi-Output (MIMO) communication techniques • Illumination control is achieved using multicolor luminaires MIMO System Block Diagram • Interact with adaptive lighting testbed to engineer a shared illumination + communication system • Interact with high speed drivers and advanced luminaires group to engineer high speed color controllable luminaires for system • Interact with advanced sensors group to engineer high speed receivers for system Project area (highlighted) in the 3 plane diagram • Zeng et al, “High data rate MIMO optical wireless communications using white led lighting”, Selected areas in communications, IEEE Journal on, 2009 • 6x6 transmitter array • 0.4W per transmitter • 12x12 (5.91cm x 5.91cm) detector array • OOK-NRZ, BER < 10 -6 • Equalized White Channel • Data Rate = 1080 Mbps Multicolored Luminaires Multicolored Imaging Receiver Hybrid MIMO Channel Spot Pixel Transmitt er Imaging Optics Imaging Sensor Sketch: Spatial Division Multiplexing MIMO VLC System a) System setup at Boston University b) Tufts Transmitter c) RPI Receiver d) 2x2 channels as seen on oscilloscope a b c d Channel de-correlation experiment: a) Block signal output from each transmitter one at a time b) Lose signal from transmitter 1 c) Lose signal from transmitter 2 a b c Sketch: Hybrid MIMO VLC System
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Transcript of Expand the setup to 4x4 s-MIMO Incorporate FPGAs at the transmitter and receiver to demonstrate high...
• Expand the setup to 4x4 s-MIMO• Incorporate FPGAs at the transmitter and
receiver to demonstrate high speed wireless VLC link
• Install the setup in VLC + adaptive lighting testbed to demonstrate illumination, control and VLC in an integrated system
• Investigate wavelength division multiplexing (λ-MIMO) VLC system and optimize for different use cases
• Investigate wavelength division spatial multiplexing (hybrid-MIMO) and optimize
• Develop/Acquire color tunable luminaire capable of high speed modulation
• Develop specifications for multicolored imaging receiver
• Demonstrate SOA and proof of concepts
• : Radiant flux output from transmitter j• Free Space Gain • Optics Gain
• Image Magnification
• Image Gain
• Aggregate Channel Gain
• Received Signal Power
• is combining algorithm•
Pankil Butala, Jimmy Chau, Hany Elgala and Prof. Thomas D. C. Little1
Sagar Ray, Ethan Spitz and Prof. Mona Hella2
Ali Mirvakili and Prof. Valencia Koomson3
1Boston University, 2Rensselaer Polytechnic Institute, 3Tufts University
Project’s ERC Role
Relevant Research
Societal Benefits
AcknowledgementsThis work is supported by the NSF under cooperative agreement EEC-0812056 and by New York State under NYSTAR contract C090145. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
Indoor Diffuse Optical MIMO Communication System
• Develop system to service high speed wireless data access along with controllable indoor space illumination
Project Goals
T1.2.3
Efficiency: Automated, controllable illumination leads to efficient use of electrical power and thus large energy savings
Health: Controllable illumination and higher data rates enable smart room services that can monitor and improve health
Productivity: Higher wireless data bandwidths can enable new sophisticated real time applications that can improve productivity
Future WorkResearch Results
Light Flow ModelingHuman Factors &
InterfacesAdaptive Sampling &
Control Modeling
Communications Testbed
-Lighting Industries-Health Care Industries-Communications
Industries
-Prototypes-Design Standards-Integration Protocols
STAKEHOLDERS
Advanced Luminaires Biochemical Sensors Communication Transceiver & Protocol
Efficient Full Spectrum Lighting
Display Illumination Fusion
Healthy Room Data Room
BARRIERS- System Cost
- Lighting Designer acceptance- Light/RF Wireless standards
integration- Clinical Impacts
BARRIERS- Color and intensity uniformity
maintenance- Stray light impact on sensor SNR
- Lack of source/sensor communications protocols
-Biochem-identification & discrimination
Biochemical Sensing Testbed
Adaptive Lighting Testbed
Communications Testbed
BARRIERS- Inefficient LEDs (except Blue)
- Limited bandwidth of sources- Lack of color discriminating
sensors- Lack of monolithic optoelectronic
integration
Technology Integration
Technology Base
Opto Electronic Device Design
Nano LED Technology
Photonic Crystal Optics
Color-selective High Speed Sensors
III-Nitride Epitaxy High Efficiency Phosphors Plasmonic Structures
Knowledge Base
Level 3: Systems
Level 2: Enabling Technologies
Level 1: Fundamental Knowledge
SY
ST
EM
RE
QU
IRE
ME
NT
S
Technology Elements
Fundamental Insights
System Performance
Feedback
Subsystems & Protocols
Performance Feedback
Materials & Devices
Products & Outcomes Requirements
• High data rates achieved using Multi-Input, Multi-Output (MIMO) communication techniques
• Illumination control is achieved using multicolor luminaires
MIMO System Block Diagram
• Interact with adaptive lighting testbed to engineer a shared illumination + communication system
• Interact with high speed drivers and advanced luminaires group to engineer high speed color controllable luminaires for system
• Interact with advanced sensors group to engineer high speed receivers for system
Project area (highlighted) in the 3 plane diagram
• Zeng et al, “High data rate MIMO optical wireless communications using white led lighting”, Selected areas in communications, IEEE Journal on, 2009
• 6x6 transmitter array• 0.4W per transmitter• 12x12 (5.91cm x 5.91cm) detector array• OOK-NRZ, BER < 10-6
• Equalized White Channel• Data Rate = 1080 Mbps
MulticoloredLuminaires
Multicolored Imaging Receiver
Hybrid MIMOChannel
Spot
Pixel
Transmitter
Imaging Optics
Imaging Sensor
Sketch: Spatial Division Multiplexing MIMO VLC System
a) System setup at Boston University b) Tufts Transmitter c) RPI Receiver d) 2x2 channels as seen on oscilloscope
a
b
c
d
Channel de-correlation experiment: a) Block signal output from each transmitter one at a time b) Lose signal from transmitter 1 c) Lose signal from transmitter 2
a
b
c
Sketch: Hybrid MIMO VLC System
