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Loop-Reduction LLL Algorithm and Architecture for Lattice-Reduction-Aided MIMO Detection
Joint Authors
Liao, Chun-Fu
Huang, Yuan-Hao
Chai, Li-Wei
Source
Journal of Electrical and Computer Engineering
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-01-24
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Engineering Sciences and Information Technology
Information Technology and Computer Science
Abstract EN
We propose a loop-reduction LLL (LR-LLL) algorithm for lattice-reduction-aided (LRA) multi-input multioutput (MIMO) detection.
The LLL algorithm is an iterative algorithm that contains many check and process operations; however, the traditional LLL algorithm itself possesses a lot of redundant check operations.
To solve this problem, we propose a look-ahead check technique that not only reduces the complexity of the LLL algorithm but also produces the lattice-reduced matrix which obeys the original LLL criterion.
Simulation results show that the proposed LR-LLL algorithm reduces the average number of loops or computation complexity.
Besides, it also shortens the latency of clock cycles about 19.4%, 29.1%, and 46.1% for 4×4, 8×8, and 12×12 MIMO systems, respectively.
American Psychological Association (APA)
Liao, Chun-Fu& Chai, Li-Wei& Huang, Yuan-Hao. 2012. Loop-Reduction LLL Algorithm and Architecture for Lattice-Reduction-Aided MIMO Detection. Journal of Electrical and Computer Engineering،Vol. 2012, no. 2012, pp.1-7.
https://search.emarefa.net/detail/BIM-505489
Modern Language Association (MLA)
Liao, Chun-Fu…[et al.]. Loop-Reduction LLL Algorithm and Architecture for Lattice-Reduction-Aided MIMO Detection. Journal of Electrical and Computer Engineering No. 2012 (2012), pp.1-7.
https://search.emarefa.net/detail/BIM-505489
American Medical Association (AMA)
Liao, Chun-Fu& Chai, Li-Wei& Huang, Yuan-Hao. Loop-Reduction LLL Algorithm and Architecture for Lattice-Reduction-Aided MIMO Detection. Journal of Electrical and Computer Engineering. 2012. Vol. 2012, no. 2012, pp.1-7.
https://search.emarefa.net/detail/BIM-505489
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-505489