NDLI: Enhanced selection combining for compact single RF user terminals in multiuser diversity systems

Content Provider	IEEE Xplore Digital Library
Author	Tsakalaki, E.P. Alrabadi, O.N. Papadias, C.B. Prasad, R.
Copyright Year	2010
Description	Author affiliation: Center for TeleInFrastructure (CTIF), Aalborg University (AAU), 9220, Aalborg East, Denmark (Tsakalaki, E.P.) \|\| BWiSE, AIT, GR-19002, Athens, Greece (Papadias, C.B.) \|\| CTIF, AAU, 9220, Aalborg East, Denmark (Alrabadi, O.N.; Prasad, R.)
Abstract	The downlink performance of systems exploiting multiuser diversity has been shown to improve by using multiple antenna receivers and diversity combining techniques. However, the cost and power restrictions of the user mobile terminals prohibit the use of multiple antennas whereas the size limitations can result in correlated and coupled receive antenna elements downgrading the effectiveness of the applied schemes. In this paper, we propose a simple beam selection combining (SC) technique using a miniaturized single radio receive antenna system assisted by low cost parasitic antennas. The system is optimized for both antenna efficiency and diversity thus made capable of forming four practically uncorrelated beampatterns. The computer simulations show that the proposed beam SC technique outperforms classical antenna SC as well as a previously reported beam combining approach in terms of the average throughput especially for small user populations.
Starting Page	951
Ending Page	954
File Size	642551
Page Count	4
File Format	PDF
ISBN	9781424480173
e-ISBN	9781424480166
DOI	10.1109/PIMRC.2010.5671767
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-26
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radio frequency Computers
Content Type	Text
Resource Type	Article

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