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Enhanced Detection with New Ordering Schemes for V-BLAST Systems

Authors
Lee, Sang-RimPark, Seok-HwanKim, Sung WonLee, Inkyu
Issue Date
Jun-2009
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Multiple-input multiple-output (MIMO) systems; vertical Bell Labs layered space-time (V-BLAST); detection ordering
Citation
IEEE TRANSACTIONS ON COMMUNICATIONS, v.57, no.6, pp.1648 - 1651
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON COMMUNICATIONS
Volume
57
Number
6
Start Page
1648
End Page
1651
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/119985
DOI
10.1109/TCOMM.2009.06.070102
ISSN
0090-6778
Abstract
This letter proposes a new optimal ordering method which minimizes error propagation in the vertical Bell-lab Layered Space-Time (V-BLAST) by exploiting the whole filter output. A suboptimal ordering metric is also proposed which requires much reduced complexity compared to the optimal ordering metric. We also derive a simplified version of the suboptimal ordering metric which achieves a significant performance gain over the conventional ordering with minor additional complexity.
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