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Cost-Effective Equalization for STBC MIMO/MISO OFDM Systems over Multipath Fading Channel

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5 Author(s)
Yi-Hsien Lin ; Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei, Taiwan ; Chih-Hsien Lin ; Chih-Feng Wu ; Muh-Tian Shiue
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A cost-effective multi-input multi-output (MIMO)/ multi-input single-output (MISO) equalization is proposed for space-time block code (STBC) MIMO/MISO orthogonal frequency division multiplexing (OFDM) system based on strength reduction (SR) transformation. The presented algorithm contains three parts: MIMO/MISO detection, updating and channel estimation processes. Considering IEEE 802.11 n system as a test vehicle, the multiplication complexity of the proposed algorithm can yield 33% reduction compared with the conventional approach. The corresponding hardware complexity is decreased about 26%. The system performance using the cost-effective equalization is identical with the conventional technique evaluated by uncoded symbol-error-rate simulation over indoor multipath fading channel.

Published in:
Vehicular Technology Conference Fall (VTC 2009-Fall), 2009 IEEE 70th

Date of Conference: 20-23 Sept. 2009

Page(s):
1 - 5
ISSN :
1090-3038
E-ISBN :
978-1-4244-2515-0
Print ISBN:
978-1-4244-2514-3
INSPEC Accession Number:
11059415
Conference Location :
Anchorage, AK
Digital Object Identifier :
10.1109/VETECF.2009.5378675
Product Type:
Conference Publications

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