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| Presentation | 2018-08-10 16:20 Experimental Verification of dynamic carrier allocation using SC-FDMA in Autonomous Bandwidth Allocation FDMA Daisuke Goto, Fumihiro Yamashita (NTT)  SAT2018-45 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Autonomous Bandwidth Allocation FDMA (ABA-FDMA) is proposed for dynamically sharing unused bandwidth of satellite transponders among terminal stations in order to utilize frequency efficiency. This system is characterized in that each terminal station autonomously occupies the unused bandwidth of the satellite repeater without the complicated central control. In this technique, a transmission scheme for dynamically carrier allocation is necessary. In this paper, we describe that we have developed a prototype of a modulation / demodulation device that dynamically changes subcarrier ar-rangement using SC-FDMA in order to verify the quality of the proposed scheme. This system can flexibly change the number of subcarriers with a sampling frequency of 46.08 MHz and a range of 512 point FFT. As a result of the verifi-cation, it was confirmed that the dynamic transition of throughput was conducted without bit error while changing the subcarrier arrangement. As for BER characteristics, it was found out that the measured results of variable subcarriers were shown approximately 1dB degradation against the fixed ones. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | ABA-FDMA / SC-FDMA / Fixed subcarrier / Variable subcarrier / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 176, SAT2018-45, pp. 91-96, Aug. 2018. | |
| Paper # | SAT2018-45 | |
| Date of Issue | 2018-08-02 (SAT) | |
| ISSN | 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 | SAT2018-45 |
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| Conference Information | |
| Committee | SAT RCS |
| Conference Date | 2018-08-09 - 2018-08-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Iwate University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless Communications, etc. |
| Paper Information | |
| Registration To | SAT |
| Conference Code | 2018-08-SAT-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Verification of dynamic carrier allocation using SC-FDMA in Autonomous Bandwidth Allocation FDMA |
| Sub Title (in English) | |
| Keyword(1) | ABA-FDMA |
| Keyword(2) | SC-FDMA |
| Keyword(3) | Fixed subcarrier |
| Keyword(4) | Variable subcarrier |
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| Keyword(8) | |
| 1st Author's Name | Daisuke Goto |
| 1st Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 2nd Author's Name | Fumihiro Yamashita |
| 2nd Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
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| Speaker | Author-1 |
| Date Time | 2018-08-10 16:20:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2018-45 |
| Volume (vol) | vol.118 |
| Number (no) | no.176 |
| Page | pp.91-96 |
| #Pages | 6 |
| Date of Issue | 2018-08-02 (SAT) |
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