[UCI-Calit2] 1/27/15 Seminar by Prof. Mohamed-Slim Alouini
Shelly Nazarenus
snaz at calit2.uci.edu
Thu Jan 22 14:39:26 PST 2015
Title: Spectrum Scarcity and Optical Wireless Communications
Speaker: Prof. Mohamed-Slim Alouini
Date: Jan. 27, 2015, Tue.
Time: 11:00 AM
Venue: UCI Calit2 Building Seminar Room 3008
ABSTRACT
Rapid increase in the use of wireless services over the last two decades
has lead the problem of the radio-frequency (RF) spectrum exhaustion.
More specifically, due to this RF spectrum scarcity, additional RF
bandwidth allocation, as utilized in the recent past, is not anymore a
viable solution to fulfill the demand for more wireless applications and
higher data rates. Among the many proposed solutions, optical wireless
communication or free-space optical (FSO) systems have gained an
increasing interest due to their advantages including higher bandwidth
and higher capacity compared to the traditional RF communication
systems. This promising technology offers full-duplex Gigabit throughput
in certain applications and environment while benefiting from a huge
license-free spectrum, immunity to interference, and high security.
These features of FSO communication systems potentially enable solving
the issues that the RF communication systems face due to the expensive
and scarce RF spectrum. The first part of the talk will give an overview
of FSO communication systems by offering examples of advantages and
application areas of this emerging technology. In the second part of
talk, we will focus on some recent results and on-going research
directions in the accurate characterization of the performance of FSO
systems in the presence of inevitable impairments due to atmospheric
turbulence and misalignment between transmitter and receiver.
SPEAKER'S BIOGRAPHY
Mohamed-Slim Alouini was born in Tunis, Tunisia. He received the Ph.D.
degree in Electrical Engineering from the California Institute of
Technology (Caltech), Pasadena, CA, USA, in 1998. He served as a faculty
member in the University of Minnesota, Minneapolis, MN, USA, then in the
Texas A&M University at Qatar, Education City, Doha, Qatar before
joining King Abdullah University of Science and Technology (KAUST),
Thuwal, Makkah Province, Saudi Arabia as a Professor of Electrical
Engineering in 2009. His current research interests include the
modeling, design, and performance analysis of wireless communication
systems.
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