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| Presentation | 2011-10-28 14:05 Investigations on Gains of Transmit and Receiver Diversities for Uplink DFT-Precoded OFDMA Lianjun Deng (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Euro Labs.), Mamoru Sawahashi (Tokyo City Univ.)  RCS2011-182 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Transmit diversity associated with receiver diversity is very effective in improving bit error rate or block error rate (BLER) performance as a Rank-1 transmission scheme. However, it is not easy to rely on theoretical analysis to analyze transmit and receiver diversity gains considering channel coding, frequency diversity through a wider transmission bandwidth, and channel estimation error in Discrete Fourier Transform (DFT)-precoded Orthogonal Frequency Division Multiple Access (OFDMA) using a frequency domain equalizer (FDE). Therefore, this paper investigates the gains of transmit diversity and receiver diversity for uplink DFT-precoded OFDMA. More specifically, we clarify the gains of open-loop (OL) transmit diversity using space-time block code (STBC) based coding and closed-loop (CL) transmit diversity with precoding at a user equipment (UE) assuming receiver diversity with maximum 12 antennas at a base station (BS) by link-level computer simulations. Then, we clarify the numbers of transmit and receiver diversity branches, which provide the distinct gains in terms of the BLER improvement. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Mobile communications / Single-Carrier FDMA / Transmit diversity / Receiver diversity / Channel estimation error / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 260, RCS2011-182, pp. 249-254, Oct. 2011. | |
| Paper # | RCS2011-182 | |
| Date of Issue | 2011-10-19 (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 | RCS2011-182 |
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| Conference Information | |
| Committee | RCS AN SR USN |
| Conference Date | 2011-10-26 - 2011-10-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Sophia Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Distributed Networks, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2011-10-RCS-AN-SR-USN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigations on Gains of Transmit and Receiver Diversities for Uplink DFT-Precoded OFDMA |
| Sub Title (in English) | |
| Keyword(1) | Mobile communications |
| Keyword(2) | Single-Carrier FDMA |
| Keyword(3) | Transmit diversity |
| Keyword(4) | Receiver diversity |
| Keyword(5) | Channel estimation error |
| Keyword(6) | |
| 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 Euro Labs.) |
| 4th Author's Name | Mamoru Sawahashi |
| 4th Author's Affiliation | Tokyo City University (Tokyo City Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-10-28 14:05:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2011-182 |
| Volume (vol) | vol.111 |
| Number (no) | no.260 |
| Page | pp.249-254 |
| #Pages | 6 |
| Date of Issue | 2011-10-19 (RCS) |
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