NDLI: Effect of beamforming on full and semi cooperative MIMO in real measured channels

Content Provider	IEEE Xplore Digital Library
Author	Rahimi, M. de Carvalho, E. Yanakiev, B. Pedersen, G.F.
Copyright Year	2012
Description	Author affiliation: Dept. of Electronics Systems, Faculty of Engineering and Science, (APNet), Aalborg University Niels Jernes Vej 12, 9220, Aalborg, Denmark (Rahimi, M.; de Carvalho, E.; Yanakiev, B.; Pedersen, G.F.)
Abstract	This paper presents an investigation on the behavior of wireless channels in a realistic propagation environment, while cooperation between base stations (BSs) was assumed. Two different scenarios for cooperation were considered in this work. In semi cooperation case, the knowledge of channel state information (CSI) is shared between base stations, but the data is available at each BS locally. In the second state, which is called full cooperation, data and CSI are available at both BSs. The measurements were done by implementing two separate base stations in different locations from users. One base station has 6 and the other one has one antennas. At each measurement time 4 handsets are under test, when each handset has 2 antennas. The measurements were done simultaneously from both BSs to 4 users. Minimum mean square error (MMSE) beamforming criteria was applied as a transmission technique to investigate the effect of beamforming on the capacity of cooperative MIMO system, which shows almost 30% increase in the result.
Starting Page	2766
Ending Page	2769
File Size	382684
Page Count	4
File Format	PDF
ISBN	9781457709180
e-ISBN	9781457709203
e-ISBN	9781457709197
DOI	10.1109/EuCAP.2012.6205986
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-26
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Wireless communication Base stations Array signal processing measured channels MMSE Telephone sets MIMO cooperative MIMO beamforming Antennas capacity
Content Type	Text
Resource Type	Article

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