Picture of smart phone in human hand

World leading smartphone and mobile technology research at Strathclyde...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by Strathclyde researchers from the Department of Computer & Information Sciences involved in researching exciting new applications for mobile and smartphone technology. But the transformative application of mobile technologies is also the focus of research within disciplines as diverse as Electronic & Electrical Engineering, Marketing, Human Resource Management and Biomedical Enginering, among others.

Explore Strathclyde's Open Access research on smartphone technology now...

Optical labeling system using FSK for label encoding and PPM for payload modulation

Xu, Lei and Wang, Ting and Glesk, Ivan and Prucnal, Paul R. (2005) Optical labeling system using FSK for label encoding and PPM for payload modulation. In: 2005 Conference on Lasers and Electro-Optics, CLEO. UNSPECIFIED, pp. 1049-1051. ISBN 9781557527950

Full text not available in this repository. (Request a copy from the Strathclyde author)

Abstract

We demonstrate an optical labeling system using frequency-shift-keying (FSK) for label encoding and pulse-position-modulation (PPM) for payload modulation. The scheme relieves the extinction-ratio impairment in systems using FSK for labeling and on-off-keying for payload modulation.