Paper Abstract and Keywords |
Presentation |
2017-04-25 16:10
Loose beamforming by antenna selection in a multi -user massive MIMO system Koichi Inoue, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.) RCS2017-29 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
A study for multi-user massive MIMO systems has been done as one of the key technologies of the fifth generation mobile communication system. In massive MIMO systems, more than 100 antenna elements are often considered at a base station and, such a large-dimensional beamforming as multi-user MIMO precoding is needed.
Then, heavy load of computational complexity and an increasing RF circuit size are serious issues for multi-user massive MIMO systems. On the other hand, a loose beamforming technique by antenna selection has been proposed according to channel information of each user. In this report, we propose loose beamforming methods using simple antenna selection. In addition, we evaluate the sum-rates of the proposed methods calculated using channel infomation obtained a ray-tracing technique. As a result, it is confirmed that the loose beamforming by simple antenna selection can achieve a reasonable amount of sum-rate. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Massive MIMO / Ray-tracing / Indoor environment / Channel capacity / Antenna Selection / / / |
Reference Info. |
IEICE Tech. Rep., vol. 117, no. 11, RCS2017-29, pp. 155-159, April 2017. |
Paper # |
RCS2017-29 |
Date of Issue |
2017-04-17 (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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RCS2017-29 |
Conference Information |
Committee |
RCS |
Conference Date |
2017-04-24 - 2017-04-25 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Kotohira Onsen Kotosankaku |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Radio Access Technologies, etc. |
Paper Information |
Registration To |
RCS |
Conference Code |
2017-04-RCS |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Loose beamforming by antenna selection in a multi -user massive MIMO system |
Sub Title (in English) |
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Keyword(1) |
Massive MIMO |
Keyword(2) |
Ray-tracing |
Keyword(3) |
Indoor environment |
Keyword(4) |
Channel capacity |
Keyword(5) |
Antenna Selection |
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1st Author's Name |
Koichi Inoue |
1st Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
2nd Author's Name |
Toshihiko Nishimura |
2nd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
3rd Author's Name |
Takeo Ohgane |
3rd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
4th Author's Name |
Yasutaka Ogawa |
4th Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
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Speaker |
Author-1 |
Date Time |
2017-04-25 16:10:00 |
Presentation Time |
25 minutes |
Registration for |
RCS |
Paper # |
RCS2017-29 |
Volume (vol) |
vol.117 |
Number (no) |
no.11 |
Page |
pp.155-159 |
#Pages |
5 |
Date of Issue |
2017-04-17 (RCS) |
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