Paper Abstract and Keywords |
Presentation |
2009-05-22 16:40
Inflated Lattice Precoding to Improve Error Rate Performance in Turbo Coded Downlink MU-MIMO Systems Hiroshi Nakano, Kozue Hirata, Takashi Onodera, Kazunari Yokomakura, Minoru Kubota (Sharp Co.) RCS2009-26 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
This paper presents improved transmission performance of inflated lattice precoding (ILP) compared to Tomlinson Harashima precoding (THP) in turbo coded downlink multi-user multiple input multiple output (DL MU-MIMO) systems. THP, which has already widely applied to DL MU-MIMO systems, takes advantage of the spatial radio resource generated by growing number of transmission antennas at base stations. However, THP has a problem degrading the error rate performance in low signal to noise power ratio (SNR) region. On the other hand, ILP evades the problem to give a better performance than THP. ILP is a precoding method based on minimum mean square error criterion, and the difference between ILP and THP enlarges in the lower SNR region. It indicates a large performance gap with error correcting code. This paper evaluates transmission performances of DL MU-MIMO systems by applying BLAST (Bell Laboratories Layered Space-Time) –like method and Turbo code, providing high coding gains, and proves that ILP outperforms THP. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Tomlinson Harashima precoding / inflated lattice precoding / modulo / MU-MIMO / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 109, no. 38, RCS2009-26, pp. 151-156, May 2009. |
Paper # |
RCS2009-26 |
Date of Issue |
2009-05-14 (RCS) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
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RCS2009-26 |
Conference Information |
Committee |
RCS IN |
Conference Date |
2009-05-21 - 2009-05-22 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Kikai-Shinko-Kaikan Bldg. |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
multihop, mesh network, network coding, wireless communication, etc. |
Paper Information |
Registration To |
RCS |
Conference Code |
2009-05-RCS-IN |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Inflated Lattice Precoding to Improve Error Rate Performance in Turbo Coded Downlink MU-MIMO Systems |
Sub Title (in English) |
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Keyword(1) |
Tomlinson Harashima precoding |
Keyword(2) |
inflated lattice precoding |
Keyword(3) |
modulo |
Keyword(4) |
MU-MIMO |
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1st Author's Name |
Hiroshi Nakano |
1st Author's Affiliation |
Sharp Corporation (Sharp Co.) |
2nd Author's Name |
Kozue Hirata |
2nd Author's Affiliation |
Sharp Corporation (Sharp Co.) |
3rd Author's Name |
Takashi Onodera |
3rd Author's Affiliation |
Sharp Corporation (Sharp Co.) |
4th Author's Name |
Kazunari Yokomakura |
4th Author's Affiliation |
Sharp Corporation (Sharp Co.) |
5th Author's Name |
Minoru Kubota |
5th Author's Affiliation |
Sharp Corporation (Sharp Co.) |
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Speaker |
Author-1 |
Date Time |
2009-05-22 16:40:00 |
Presentation Time |
20 minutes |
Registration for |
RCS |
Paper # |
RCS2009-26 |
Volume (vol) |
vol.109 |
Number (no) |
no.38 |
Page |
pp.151-156 |
#Pages |
6 |
Date of Issue |
2009-05-14 (RCS) |
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