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| Paper Abstract and Keywords | ||
| Presentation | 2017-10-27 13:15 BER Performance Evaluation of OFDM/PM Systems with CSS Method for Satellite Communications Systems Sho Miyagi, Masato Saito (Univ. of the Ryukyus)  SAT2017-53 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We consider to apply orthogonal frequency division multiplexing (OFDM) schemes to satellite communications systems. OFDM schemes have advantages of their high-speed data transmission and their high frequency efficiency. On the other hand, a major drawback of OFDM is its high peak power. In satellite communications systems, since nonlinear amplifiers are used, OFDM schemes are difficult to be applied due to their high peak power characteristics. Therefore, we consider to apply phase modulated OFDM schemes. Because of this, an OFDM/PM scheme for generating a constant envelope signal by secondary modulation an OFDM signal with PM investigate. In this paper, we apply cyclic shifted sequences (CSS) method as peak power reduction technique of OFDM signal in order to effective use phase space of PM. We evaluate BER performance of OFDM/PM scheme with CSS method by computer simulation. Simulation results shows that the BER performances are improved by CSS method by approximately 1.5 dB whatever the modulation schemes (QPSK, 16QAM, 64QAM, 256QAM) we use. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Orthogonal Frequency Division Multiplexing (OFDM) / Phase Modulation (PM) / Constant envelope OFDM / OFDM/PM scheme / Cyclic Shifted Sequences (CSS) method / Hermitian symmetry / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 261, SAT2017-53, pp. 101-106, Oct. 2017. | |
| Paper # | SAT2017-53 | |
| Date of Issue | 2017-10-19 (SAT) | |
| 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 | SAT2017-53 |
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| Conference Information | |
| Committee | SAT |
| Conference Date | 2017-10-26 - 2017-10-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Cellular Telephone Company |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Satellite communications, etc. |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2017-10-SAT |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | BER Performance Evaluation of OFDM/PM Systems with CSS Method for Satellite Communications Systems |
| Sub Title (in English) | |
| Keyword(1) | Orthogonal Frequency Division Multiplexing (OFDM) |
| Keyword(2) | Phase Modulation (PM) |
| Keyword(3) | Constant envelope OFDM |
| Keyword(4) | OFDM/PM scheme |
| Keyword(5) | Cyclic Shifted Sequences (CSS) method |
| Keyword(6) | Hermitian symmetry |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Sho Miyagi |
| 1st Author's Affiliation | University of the Ryukyus (Univ. of the Ryukyus) |
| 2nd Author's Name | Masato Saito |
| 2nd Author's Affiliation | University of the Ryukyus (Univ. of the Ryukyus) |
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| Speaker | Author-1 |
| Date Time | 2017-10-27 13:15:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2017-53 |
| Volume (vol) | vol.117 |
| Number (no) | no.261 |
| Page | pp.101-106 |
| #Pages | 6 |
| Date of Issue | 2017-10-19 (SAT) |
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