iCore seminar by Dr. Osvaldo Simeone
(New Jersey Institute of Technology (NJIT), Newark USA)
18 November 2015 (Wednesday) - from 11:00 to 12:00
Dennis Gabor Seminar Room, 611, level 6, EEE Dept. @ Imperial College
Osvaldo Simeone received the M.Sc. degree (with honors) and the Ph.D. degree in information engineering from
Politecnico di Milano, Milan, Italy, in 2001 and 2005, respectively. He is currently with the Center for Wireless Communications
and Signal Processing Research (CWCSPR), New Jersey Institute of Technology (NJIT), Newark, where he is an Associate Professor. His
research interests concern wireless communications, information theory and machine learning. Dr. Simeoneis a co-recipient of the 2015
IEEE Communication Society Best Tutorial Paper Award and of the Best Paper Awards at IEEE SPAWC 2007 and IEEE WRECOM 2007. He currently
serves as an Editor for IEEE Transactions on Information Theory.
Seminar Title: "Cloud Radio Access Networks: Challenges and (Some) Solutions"
Abstract: Cloud Radio Access Network (C-RAN) refers to a novel cellular architecture in which low-cost wireless access
points, known as radio units (RUs), are centrally managed by a reconfigurable centralized "cloud", or central, unit (CU). C-RAN allows
operators to reduce the capital and operating expenses needed to deploy and maintain dense heterogeneous networks, as well as to reap
statistical multiplexing and spectral efficiency gains.
The key bottleneck limiting the performance of C-RAN is set by the capacity and latency constraints of the network of fronthaul links
that connect RUs and CU. This talk discusses the corresponding technical challenges faced by C-RAN design and overviews some solutions.
These include fronthaul compression, along with generalizations thereof inspired by network information theory, and decentralized local
control based on alternative functional splits.