Series in
Communication Theory
Edited by
Helmut Bölcskei
Vol. 6:
Jatin Thukral,
Spatial Multiplexing in Multiuser
Networks with Limited Feedback.
1st edition 2009. XX, 184 pages; € 64,00. ISBN 978-3-86628-268-1
3-86628-268-0
Spatial multiplexing is a well-known transmission technique for
achieving high data rates in multiuser wireless networks. The benefits of
spatial multiplexing are however quite limited in practice because of the lack
of perfect channel knowledge at the sources. The present work shows that, in
fact, the full gains of spatial multiplexing can be obtained in several
important classes of multiuser networks even without perfect channel knowledge
at the sources, provided that there exists feedback links of sufficient
capacity from the destinations to the sources. In particular, four important
classes of multiuser networks are investigated in detail, and feedback and
transmission strategies are proposed for achieving full spatial multiplexing
gains in each of these classes.
About the Author
Jatin Thukral received his
B.Tech. degree in Electrical Engineering from the Indian Institute of
Technology Madras, India, in 2003, and his M.Sc. and Dr. Sc. degrees in Electrical
Engineering and Information Technology from the Swiss Federal Institute of
Technology (ETH) Zurich, Switzerland, in 2005 and 2009, respectively. He worked
as a research assistant at the Illinois Institute of Technology, Chicago, in
2002 and as a research and development engineer at Tejas Networks Limited,
Bangalore, in 2003. Dr. Thukral is a recipient of the Willi-Studer Prize for
outstanding performance in his post-graduate studies at ETH.
Keywords: Spatial
multiplexing, limited feedback, broadcast networks, interference networks,
interference alignment
Series in
Communication Theory
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