Paper Abstract and Keywords |
Presentation |
2010-03-04 13:40
Adaptive Modulation Scheme Incorporating Spatial Fading Correlation for OFDM with Time Shifted Sampling Refik Caglar Kizilirmak, Yukitoshi Sanada (Keio Univ.) SR2009-110 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
In this report, an adaptive modulated orthogonal frequency division multiplexing (OFDM) scheme that provides e?cient data transmission for correlated receiver antenna arrays is proposed. Previously reported adaptive modulation schemes generally select the modulation scheme based on the estimated carrier-to-noise ratio (CNR) on each subcarrier. However, in antenna array communication in addition to the CNR, the spatial fading correlation should also be considered to evaluate the system performance. Especially, when the Time Shifted Sampling (TSS)
technique is applied which overcomes the spatial correlation for some subchannels of an OFDM symbol, the spatial correlation varies dramatically through subcarriers. In this work, modulation scheme is selected based on the CNR and the spatial correlation coe?cient for each subcarrier when the TSS technique is employed at the receiver. Numerical results through computer simulation show that the proposed scheme outperforms the conventional systems in achieving a target BER and establishing reliable communication while having almost the same transmission rate. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Adaptive Modulation / OFDM / Spatial Fading Correlation / Time Shifted Sampling / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 109, no. 442, SR2009-110, pp. 131-136, March 2010. |
Paper # |
SR2009-110 |
Date of Issue |
2010-02-24 (SR) |
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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SR2009-110 |
Conference Information |
Committee |
RCS AN MoNA SR |
Conference Date |
2010-03-03 - 2010-03-05 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
YRP |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Mobile Communication Workshop |
Paper Information |
Registration To |
SR |
Conference Code |
2010-03-RCS-AN-MoMuC-SR |
Language |
English |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Adaptive Modulation Scheme Incorporating Spatial Fading Correlation for OFDM with Time Shifted Sampling |
Sub Title (in English) |
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Adaptive Modulation |
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OFDM |
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Spatial Fading Correlation |
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Time Shifted Sampling |
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1st Author's Name |
Refik Caglar Kizilirmak |
1st Author's Affiliation |
Keio University (Keio Univ.) |
2nd Author's Name |
Yukitoshi Sanada |
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Keio University (Keio Univ.) |
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Speaker |
Author-1 |
Date Time |
2010-03-04 13:40:00 |
Presentation Time |
20 minutes |
Registration for |
SR |
Paper # |
SR2009-110 |
Volume (vol) |
vol.109 |
Number (no) |
no.442 |
Page |
pp.131-136 |
#Pages |
6 |
Date of Issue |
2010-02-24 (SR) |
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