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| Presentation | 2011-08-26 13:00 Effect of Intra-subframe Frequency Hopping on Closed-Loop Type Transmit Diversity with Precoding for Uplink DFT-Precoded OFDMA Lianjun Deng (Tokyo City Univ.), Teruo Kawamura (NTT DOCOMO), Hidekazu Taoka (DOCOMO Europe Labs.), Mamoru Sawahashi (Tokyo City Univ.)  RCS2011-128 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes applying intra-subframe frequency hopping (FH) to closed-loop (CL) type transmit diversity using codebook based precoding for a shared channel carrying user traffic data in the uplink discrete Fourier transform (DFT)-precoded Orthogonal Frequency Division Multiple Access (OFDMA). In the paper, we present two types of precoding schemes associated with intra-subframe FH: individual precoding vector selection between 2 slots where a 1-msec subframe comprises 2 slots among the reduced precoding codebooks, and common precoding vector selection between 2 slots. We investigate the effect of intra-subframe FH on the CL type transmit diversity with precoding in terms of the block error rate (BLER) performance while maintaining the same number of feedback bits required for notification of the selected precoding vector as that for CL type precoding based transmit diversity without FH. Computer simulation results show that CL type transmit diversity with precoding using intra-subframe FH is very effective in reducing the required average received signal-to-noise power ratio (SNR) when the fading maximum Dop | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Mobile communications / Single-carrier FDMA / Transmit diversity / Precoding / Frequency hopping / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 180, RCS2011-128, pp. 93-98, Aug. 2011. | |
| Paper # | RCS2011-128 | |
| Date of Issue | 2011-08-18 (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 | RCS2011-128 |
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| Conference Information | |
| Committee | RCS SAT |
| Conference Date | 2011-08-25 - 2011-08-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Niigata Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Special session on coding techniques, Mobile Satellite Communications, Broadcasting, Error Correction, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2011-08-RCS-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effect of Intra-subframe Frequency Hopping on Closed-Loop Type Transmit Diversity with Precoding for Uplink DFT-Precoded OFDMA |
| Sub Title (in English) | |
| Keyword(1) | Mobile communications |
| Keyword(2) | Single-carrier FDMA |
| Keyword(3) | Transmit diversity |
| Keyword(4) | Precoding |
| Keyword(5) | Frequency hopping |
| 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 Europe 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 | 2011-08-26 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2011-128 |
| Volume (vol) | vol.111 |
| Number (no) | no.180 |
| Page | pp.93-98 |
| #Pages | 6 |
| Date of Issue | 2011-08-18 (RCS) |
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