Block-Mode Lattice Reduction for Low-Complexity MIMO Detection

Title
Block-Mode Lattice Reduction for Low-Complexity MIMO Detection
Author(s)
최권휴김한나[김한나]김수영[김수영]김영일[김영일]
Issue Date
201202
Publisher
ELECTRONICS TELECOMMUNICATIONS RESEARCH INST
Citation
ETRI JOURNAL, v.34, no.1, pp.110 - 113
Abstract
We propose a very-low-complexity lattice-reduction (LR) algorithm for multi-input multi-output detection in time-varying channels. The proposed scheme reduces the complexity by performing LR in a block-wise manner The proposed scheme takes advantage of the temporal correlation of the channel matrices in a block and its impact on the lattice transformation matrices during the LR process. From this, the proposed scheme can skip a number of redundant LR processes for consecutive channel matrices and performs a single LR in a block As the Doppler frequency decreases, the complexity reduction efficiency becomes more significant.
URI
http://hdl.handle.net/YU.REPOSITORY/29824http://dx.doi.org/10.4218/etrij.12.0211.0112
ISSN
1225-6463
Appears in Collections:
공과대학 > 모바일정보통신공학과 > Articles
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