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| Paper Abstract and Keywords | ||
| Presentation | 2013-12-19 09:25 Orthogonal Code-Multiplexed Frequency-Domain Single-Carrier Spread Spectrum Amnart Boonkajay, Fumiyuki Adachi (Tohoku Univ.)  RCS2013-224 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The authors have proposed a frequency-domain single-carrier spread spectrum (SC-FDSS) transmission technique, which achieves better bit-error rate (BER) and better power amplifier-dependent energy efficiency comparing with time-domain spread spectrum (TDSS). However, its wider transmission bandwidth leads to low spectrum efficiency, implying that a multiplexing technique is necessary. In this paper, we introduce an orthogonal code multiplexing technique for the FDSS called multi-code single-carrier FDSS (MC-SC-FDSS) for code division multi-access. The signal block to be transmitted is firstly transformed into frequency-domain signal by discrete Fourier transform (DFT), and then code multiplexing is done to achieve narrower transmit bandwidth. Joint frequency-domain equalization based on minimum mean-square error criterion (MMSE-FDE) and de-spreading is carried out for acquiring frequency diversity gain. Theoretical analysis and simulation results in terms of BER and PAPR of both single-code and multi-code SC-FDSS are shown and compared with conventional TDSS and multi-carrier SS (MCSS) | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Single-carrier (SC) transmission / spread spectrum / code-division multiplexing (CDM) / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 361, RCS2013-224, pp. 107-112, Dec. 2013. | |
| Paper # | RCS2013-224 | |
| Date of Issue | 2013-12-11 (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 | RCS2013-224 |
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| Conference Information | |
| Committee | RCS NS |
| Conference Date | 2013-12-18 - 2013-12-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Sunport Hall Takamatsu |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2013-12-RCS-NS |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Orthogonal Code-Multiplexed Frequency-Domain Single-Carrier Spread Spectrum |
| Sub Title (in English) | |
| Keyword(1) | Single-carrier (SC) transmission |
| Keyword(2) | spread spectrum |
| Keyword(3) | code-division multiplexing (CDM) |
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| 1st Author's Name | Amnart Boonkajay |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Fumiyuki Adachi |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-12-19 09:25:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2013-224 |
| Volume (vol) | vol.113 |
| Number (no) | no.361 |
| Page | pp.107-112 |
| #Pages | 6 |
| Date of Issue | 2013-12-11 (RCS) |
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