Paper Abstract and Keywords |
Presentation |
2013-11-21 10:25
Considerations on Prediction Effects of Multi-User MIMO Channels in Time-Varying Environments Kanako Yamaguchi, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) AP2013-107 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
A multi-user MIMO system uses block diagonalization and eigenbeam-space division multiplexing to suppress inter-user interference and inter-stream interference. In order to use these techniques, the transmitter needs to determine beamforming weights from channel state information~(CSI). In time-varyinig environments, however, MIMO channels change during the time interval between transmission parameter determination and actual MIMO transmission. Therefore, the outdated CSI causes the interfernces and seriously affects the transmission performance. Channel prediction schemes have been developed to mitigate the effect of the outdated CSI. In this paper, we evaluate the prediction effects based on the autoregressive~(AR) model and the Lagrange extrapolation such as linear extrapolation in time-varying environments. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Channel prediction / Multi-user MIMO system / Block diagonalization / Eigenbeam-space division multiplexing / Time-varying environments / / / |
Reference Info. |
IEICE Tech. Rep., vol. 113, no. 300, AP2013-107, pp. 43-48, Nov. 2013. |
Paper # |
AP2013-107 |
Date of Issue |
2013-11-13 (AP) |
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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AP2013-107 |
Conference Information |
Committee |
RCS AP |
Conference Date |
2013-11-20 - 2013-11-22 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Matsue Terrsa |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Adaptive Antenna, Equalization, Interference Canceller, MIMO, Wireless Communication Systems, etc. |
Paper Information |
Registration To |
AP |
Conference Code |
2013-11-RCS-AP |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Considerations on Prediction Effects of Multi-User MIMO Channels in Time-Varying Environments |
Sub Title (in English) |
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Keyword(1) |
Channel prediction |
Keyword(2) |
Multi-user MIMO system |
Keyword(3) |
Block diagonalization |
Keyword(4) |
Eigenbeam-space division multiplexing |
Keyword(5) |
Time-varying environments |
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1st Author's Name |
Kanako Yamaguchi |
1st Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
2nd Author's Name |
Yasutaka Ogawa |
2nd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
3rd Author's Name |
Toshihiko Nishimura |
3rd Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
4th Author's Name |
Takeo Ohgane |
4th Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
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Speaker |
Author-1 |
Date Time |
2013-11-21 10:25:00 |
Presentation Time |
25 minutes |
Registration for |
AP |
Paper # |
AP2013-107 |
Volume (vol) |
vol.113 |
Number (no) |
no.300 |
Page |
pp.43-48 |
#Pages |
6 |
Date of Issue |
2013-11-13 (AP) |
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