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Using Spatial Light Modulators in MIMO Visible Light Communication Receivers to Dynamically Control the Optical Channel

Published: 15 February 2016 Publication History

Abstract

We propose a new MIMO visible light communication (VLC) receiver architecture that can dynamically adjust the optical channel by using a spatial light modulator (SLM). This capability enables the VLC receiver to track moving transmitters to support mobility. We also present operating procedures and control algorithms for this SLM VLC receiver to measure the gain from each transmitter, to configure the SLM, and to track the transmitters as they move relative to the receiver. Through the design of a two-photodetector prototype and simplified models for imaging systems, we demonstrate that the SLM VLC receiver can outperform similar traditional imaging VLC receivers that do not use an SLM, even if the traditional VLC receiver is equipped with more photodetectors.

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J. C. Chau and T. D. C. Little. Scalable imaging VLC receivers with token-based pixel selection for spatial multiplexing. In Proceedings of the 1st ACM MobiCom Workshop on Visible Light Communication Systems, VLCS -14, pages 21-26, New York, NY, USA, 2014. ACM.
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Cited By

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  • (2021)RayTrackProceedings of the 19th Annual International Conference on Mobile Systems, Applications, and Services10.1145/3458864.3466867(376-388)Online publication date: 24-Jun-2021
  • (2017)Roaming in Connecting LightProceedings of the 4th ACM Workshop on Visible Light Communication Systems10.1145/3129881.3129887(9-14)Online publication date: 16-Oct-2017
  • (2017)ReflexCodeProceedings of the 23rd Annual International Conference on Mobile Computing and Networking10.1145/3117811.3117836(193-205)Online publication date: 4-Oct-2017

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Published In

cover image ACM Other conferences
EWSN '16: Proceedings of the 2016 International Conference on Embedded Wireless Systems and Networks
February 2016
366 pages
ISBN:9780994988607

Sponsors

  • EWSN: International Conference on Embedded Wireless Systems and Networks

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Publisher

Junction Publishing

United States

Publication History

Published: 15 February 2016

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Author Tags

  1. MIMO
  2. imaging receiver
  3. spatial light modulator (SLM)
  4. visible light communication (VLC)

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  • Extended-abstract

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EWSN '16
Sponsor:
  • EWSN
February 15 - 17, 2016
Graz, Austria

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Overall Acceptance Rate 81 of 195 submissions, 42%

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Cited By

View all
  • (2021)RayTrackProceedings of the 19th Annual International Conference on Mobile Systems, Applications, and Services10.1145/3458864.3466867(376-388)Online publication date: 24-Jun-2021
  • (2017)Roaming in Connecting LightProceedings of the 4th ACM Workshop on Visible Light Communication Systems10.1145/3129881.3129887(9-14)Online publication date: 16-Oct-2017
  • (2017)ReflexCodeProceedings of the 23rd Annual International Conference on Mobile Computing and Networking10.1145/3117811.3117836(193-205)Online publication date: 4-Oct-2017

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