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| Presentation | 2012-08-31 10:40 Comparative Study of Open-Loop Transmit Diversity Schemes with FourAntennas in DFT-Precoded OFDMA Using Turbo FDE and Iterative Channel Estimation Lianjun Deng (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Europe Labs), Mamoru Sawahashi (Tokyo City Univ.)  RCS2012-115 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents comprehensive comparisons on the block error rate (BLER) performance of open-loop (OL) transmit diversity schemes with four antennas for discrete Fourier transform (DFT)-precoded Orthogonal Frequency Division Multiple Access (OFDMA). One candidate scheme employs a quasi-orthogonal (QO) - space-time block code (STBC) in which four-branch minimum mean-square error combining (MMSEC) is achieved at the cost of residual inter-code interference (ICI). Another candidate employs a combination of the STBC and selection diversity called time switched transmit diversity (TSTD) or frequency switched transmit diversity (FSTD). We apply a turbo frequency domain equalizer (FDE) associated with iterative decision-feedback channel estimation (DFCE) using soft-symbol estimation to reduce channel estimation (CE) error. The turbo FDE includes an ICI canceller to reduce the influences of the residual ICI for QO-STBC. Based on extensive link-level simulation results, we show that a combination of the STBC and TSTD (FSTD) is suitable as a four-antenna OL transmit diversity scheme for DFT-precoded OFDMA using turbo FDE and iterative DFCE. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Mobile communications / Single-carrier FDMA / Transmit diversity / STBC / Turbo FDE / channel estimation / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 192, RCS2012-115, pp. 115-120, Aug. 2012. | |
| Paper # | RCS2012-115 | |
| Date of Issue | 2012-08-23 (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) | |
| Download PDF | RCS2012-115 |
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| Conference Information | |
| Committee | SAT RCS |
| Conference Date | 2012-08-30 - 2012-08-31 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kochi City Cultura-Plaza CUL-PORT |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Satellite Communications, Broadcasting, Error Correction, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2012-08-SAT-RCS |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Comparative Study of Open-Loop Transmit Diversity Schemes with FourAntennas in DFT-Precoded OFDMA Using Turbo FDE and Iterative Channel Estimation |
| Sub Title (in English) | |
| Keyword(1) | Mobile communications |
| Keyword(2) | Single-carrier FDMA |
| Keyword(3) | Transmit diversity |
| Keyword(4) | STBC |
| Keyword(5) | Turbo FDE |
| Keyword(6) | channel estimation |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Lianjun Deng |
| 1st Author's Affiliation | Tokyo City University (Tokyo City Univ.) |
| 2nd Author's Name | Teruo Kawamura |
| 2nd Author's Affiliation | NTT DOCOMO (NTT DOCOMO) |
| 3rd Author's Name | Hidekazu Taoka |
| 3rd Author's Affiliation | DOCOMO Communications Laboratories Europe GmbH (DOCOMO Europe Labs) |
| 4th Author's Name | Mamoru Sawahashi |
| 4th Author's Affiliation | Tokyo City University (Tokyo City Univ.) |
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| Speaker | 4 |
| Date Time | 2012-08-31 10:40:00 |
| Presentation Time | 25 |
| Registration for | RCS |
| Paper # | IEICE-RCS2012-115 |
| Volume (vol) | IEICE-112 |
| Number (no) | no.192 |
| Page | pp.115-120 |
| #Pages | IEICE-6 |
| Date of Issue | IEICE-RCS-2012-08-23 |
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