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| Presentation | 2014-04-18 11:20 Performance of Decision-Feedback Channel Estimation Using SFBC for TDM Based Control Signals in OFDMA Downlink Shinya Hirayama (Tokyo City Univ.), Kazuaki Takeda, Teruo Kawamura (NTT DOCOMO), Mamoru Sawahashi (Tokyo City Univ.)  RCS2014-12 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents the average block error rate (BLER) performance of time division multiplexing (TDM) based control signals with space-frequency block code (SFBC) employing decision-feedback channel estimation (DFCE) for orthogonal frequency division multiple access (OFDMA) downlink. In the DFCE method, channel estimation accuracy is improved by using soft-symbol estimations of the control signals based on the extrinsic log-likelihood ratio (LLR) at the soft output Viterbi algorithm (SOVA) decoder output for convolutional coding in addition to reference signals (RSs). Computer simulation results that the loss in the required average received signal-to-noise power ratio (SNR) satisfying the target BLER of the DFCE from that using all the RSs within a subframe is suppressed to a slight level for control signals with SFBC in low-mobility environment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | mobile communications / control signals / OFDMA / decision-feedback channel estimation / space-frequency block code / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 8, RCS2014-12, pp. 61-66, April 2014. | |
| Paper # | RCS2014-12 | |
| Date of Issue | 2014-04-10 (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 | RCS2014-12 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2014-04-17 - 2014-04-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Radio Access Technologies, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2014-04-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance of Decision-Feedback Channel Estimation Using SFBC for TDM Based Control Signals in OFDMA Downlink |
| Sub Title (in English) | |
| Keyword(1) | mobile communications |
| Keyword(2) | control signals |
| Keyword(3) | OFDMA |
| Keyword(4) | decision-feedback channel estimation |
| Keyword(5) | space-frequency block code |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shinya Hirayama |
| 1st Author's Affiliation | Tokyo City University (Tokyo City Univ.) |
| 2nd Author's Name | Kazuaki Takeda |
| 2nd Author's Affiliation | NTT DOCOMO (NTT DOCOMO) |
| 3rd Author's Name | Teruo Kawamura |
| 3rd Author's Affiliation | NTT DOCOMO (NTT DOCOMO) |
| 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 | 2014-04-18 11:20:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2014-12 |
| Volume (vol) | vol.114 |
| Number (no) | no.8 |
| Page | pp.61-66 |
| #Pages | 6 |
| Date of Issue | 2014-04-10 (RCS) |
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