Gbolahan Olanrewaju
Wed 22 Aug 2018, 13:00 - 13:30
AGB Seminar Room AGB Building, King’s Buildings, EH9 3JL

If you have a question about this talk, please contact: Ardimas Purwita (s1600157)

Image for Impact of Timing Offset on Optical Spatial Pulse Position Modulation

Gbolahan Olanrewaju is a PhD student in the Institute for Digital Communications, University of Edinburgh.

Abstract

This work investigates the impact of timing offset on the performance of an optical spatial modulation (OSM) technique termed spatial pulse position modulation (SPPM). SPPM combines optical spatial shift keying (OSSK) with pulse position modulation (PPM), exploiting the spatial domain to improve spectral the efficiency of PPM. Considering the effect of timing offsets which can result from clock jitter and variation in propagation delay of the transmit paths, we derive and validate the analytical upper bound on the symbol error rate (SER) of the SPPM technique. The impact of channel gain is demonstrated, and comparison is drawn between SPPM and SSK in term of tolerance to timing offset.

Biography

Gbolahan Olanrewaju received a BEng degree in electrical and electronic engineering (First Class Hons.) from the Federal University of Agriculture, Abeokuta, Nigeria, in 2010, and an MSc in Communications and Signal Processing from Imperial College, London, in 2014. He is currently pursuing a Ph.D. degree in the Institute for Digital Communications, University of Edinburgh, UK, under the supervision of Dr Wasiu Popoola. His research interest includes low complexity MIMO systems and visible light communications.