• Publications
  • Influence
IEEE 802.15.7 visible light communication: modulation schemes and dimming support
TLDR
IEEE 802.15.7 provides dimming adaptable mechanisms for flicker-free high-data-rate visible light communication using visible light spectrum from 380 to 780 nm. Expand
  • 791
  • 90
  • PDF
Undersampled frequency shift ON-OFF keying (UFSOOK) for camera communications (CamCom)
  • R. D. Roberts
  • Computer Science
  • 22nd Wireless and Optical Communication…
  • 16 May 2013
TLDR
This paper shows how frequency shift ON-OFF keying - at frequencies that avoid flicker - can be used to encode bits while at the same time being successfully decoded by a low frame rate camera using subsampling. Expand
  • 96
  • 17
Dropping Out of High School: Prevalence, Risk Factors, and Remediation Strategies
To address the high school dropout problem, educational institutions must identify early on which students are likely to drop out. We are exploring the possibility of working with state boards ofExpand
  • 61
  • 16
  • PDF
IEEE 802.15.7 physical layer summary
TLDR
This paper summarizes the PHY layer of the IEEE 802.15.7 Standard for Short-Range Wireless Optical Communication using Visible Light, and highlights issues that drove the technical content. Expand
  • 43
  • 8
Space-time forward error correction for dimmable undersampled frequency shift ON-OFF keying camera communications (CamCom)
  • R. D. Roberts
  • Computer Science
  • Fifth International Conference on Ubiquitous and…
  • 2 July 2013
TLDR
This paper shows how frequency shift ON-OFF keying - at frequencies that avoid flicker - can be used to encode bits while at the same time being successfully decoded by a low frame rate camera using subsampling. Expand
  • 34
  • 6
Line-of-sight visible light communication system design and demonstration
TLDR
In this paper, we discuss some key issues in practical line-of-sight (LOS) visible light communication system design. Expand
  • 121
  • 5
A MIMO protocol for camera communications (CamCom) using undersampled frequency shift ON-OFF keying (UFSOOK)
  • R. D. Roberts
  • Computer Science
  • IEEE Globecom Workshops (GC Wkshps)
  • 1 December 2013
TLDR
Camera communications is the use of an image sensor to receive LED modulated data. Expand
  • 43
  • 5
Smart automotive lighting for vehicle safety
TLDR
It is believed that vehicle-to-vehicle (V2V) communications and accurate positioning with sub-meter error could bring vehicle safety to a different level. Expand
  • 150
  • 4
  • PDF
Profile similarity metrics as an alternate framework to score rating-based tests: MSCEIT reanalyses.
Abstract Profile similarity metrics provide an ideal framework to score rating-based judgment tests. These tests are distinct in asking subjects to rate the relative adequacy of multiple responsesExpand
  • 35
  • 3