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Performance evaluation for multi-user MIMO IEEE 802.11ac wireless LAN system

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5 Author(s)
Nojima, D. ; Fac. of Comput. Sci. & Syst. Eng., Kyushu Inst. of Technol., Fukuoka, Japan ; Lanante, L. ; Nagao, Y. ; Kurosaki, M.
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In this paper, we evaluate the performance of the next generation standard IEEE 802.11ac wireless local area network (WLAN) system. IEEE 802.11 for the first time will employ downlink multi-user multi-input multi-output (MU-MIMO) technology. Precoding techniques greatly influences the performance of MU-MIMO transmission. We measure these improvements when realistic channel conditions are applied. We compare the performance of channel inversion (CI) and block diagonalization (BD) precoding methods paired with various MIMO detection techniques. From the simulation results, we show the effectiveness of BD precoding compared to CI precoding.

Published in:
Advanced Communication Technology (ICACT), 2012 14th International Conference on

Date of Conference: 19-22 Feb. 2012

Page(s):
804 - 808
ISSN :
1738-9445
Print ISBN:
978-1-4673-0150-3
INSPEC Accession Number:
12656445
Conference Location :
PyeongChang
Product Type:
Conference Publications

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