Presentation 2008-06-27
Lattice-Reduction aided SIC Detection by Exploiting Segment LLL for MLSTBC Systems
keisuke MUTOU, Iwao SASASE,
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Abstract(in English) In this paper, we propose a Lattice-Reduction aided Successive Interference Cancellation (LR aided SIC) detection for Multi-Layered Space-Time Coding (MLSTC) architecture with using a novel LR algorithm. The proposed scheme uses the LR algorithm based on Segment Lenstra, Lenstra and Lovasz (Segment LLL) which partition the basis matrix and reduce each segmented matrix. Segment LLL can reduce the complexity but degrades reduction performance because it restricts the orthogonalization operations with using segmented basis matrix. Thus, the proposed scheme can realize between reduction performance and complexity by changing the segment size. As a result, the proposed LR aided SIC detection can reduce the complexity of LR algorithm but degrades a slightly BER performance, compared to the conventional LR aided SIC by exploiting LLL algorithm.
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Keyword(in English) MLSTBC Systems / MIMO / Lattice-Reduction / symbols detection
Paper # RCS2008-21
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Committee RCS
Conference Date 2008/6/20(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Lattice-Reduction aided SIC Detection by Exploiting Segment LLL for MLSTBC Systems
Sub Title (in English)
Keyword(1) MLSTBC Systems
Keyword(2) MIMO
Keyword(3) Lattice-Reduction
Keyword(4) symbols detection
1st Author's Name keisuke MUTOU
1st Author's Affiliation Dept. of Information and Computer Science, Keio University()
2nd Author's Name Iwao SASASE
2nd Author's Affiliation Dept. of Information and Computer Science, Keio University
Date 2008-06-27
Paper # RCS2008-21
Volume (vol) vol.108
Number (no) 117
Page pp.pp.-
#Pages 6
Date of Issue