Advances in Base- and Mobile-Station Aided Cooperative Wireless Communications
2013
This article presents a simple overview of the pivotal
topics in both mobile station (MS)- and base station (BS)-
assisted cooperation in the context of cellular radio systems.
Owing to the ever-increasing amount of literature in this
particular field, this article is by no means exhaustive, but
is intended to serve as a roadmap by assembling a repre-
sentative sample of recent results and to stimulate
further research. The emphasis is initially on relay-base
cooperation, relying on network coding, followed by the
design of cross-layer cooperative protocols conceived
for MS cooperation and the concept of coalition network
element (CNE)-assisted BS cooperation. Then, a range of
complexity and backhaul traffic reduction techniques
that have been proposed for BS cooperation are
reviewed. A more detailed discussion is provided in the
context of MS cooperation concerning the pros and cons
of dispensing with high-complexity, power-hungry channel
estimation.
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