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| Presentation | 2012-10-17 13:55 Improved CR Spectrum Sensing Performance with Lower ACLR GFDM Signals Rohit Datta, Gerhard Fettweis (TU Dresden)  SR2012-46 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Generalized Frequency Division Multiplexing (GFDM) with its flexible pulse shaping filters can provide extremely low out of band leakage to adjacent legacy channels. This makes it an attractive choice for a PHY layer of cognitive radios operating in fragmented TV white spaces. Introducing zero padding to the transmission data block significantly reduces the said out of band leakage even further. Primary, incumbent signals can now be protected with a geo-location database query mechanism. Even then, sensing opportunistic users operating in the same frequency band is important in cognitive radio operations. In this paper, a simulation based study has been performed to compare GFDM matched filter based sensing characteristics with traditional orthogonal frequency division multiplexing (OFDM) sensing receiver operating characteristic (ROC) curves. Sensing with a GFDM based cognitive radio receiver shows better sensing performance. If we incorporate the improved lower ACLR pulse, then the sensing characteristic curves become even better. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive Radio / Flexible PHY / Low ACLR / Opportunistic Access / Spectrum Sensing / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 240, SR2012-46, pp. 61-66, Oct. 2012. | |
| Paper # | SR2012-46 | |
| Date of Issue | 2012-10-10 (SR) | |
| 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 | SR2012-46 |
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| Conference Information | |
| Committee | SR AN USN RCS |
| Conference Date | 2012-10-17 - 2012-10-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Fukuoka univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | wireless distributed network, general topics |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2012-10-SR-AN-USN-RCS |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improved CR Spectrum Sensing Performance with Lower ACLR GFDM Signals |
| Sub Title (in English) | |
| Keyword(1) | Cognitive Radio |
| Keyword(2) | Flexible PHY |
| Keyword(3) | Low ACLR |
| Keyword(4) | Opportunistic Access |
| Keyword(5) | Spectrum Sensing |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Rohit Datta |
| 1st Author's Affiliation | Technische Universitat Dresden (TU Dresden) |
| 2nd Author's Name | Gerhard Fettweis |
| 2nd Author's Affiliation | Technische Universitat Dresden (TU Dresden) |
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| Speaker | Author-1 |
| Date Time | 2012-10-17 13:55:00 |
| Presentation Time | 25 minutes |
| Registration for | SR |
| Paper # | SR2012-46 |
| Volume (vol) | vol.112 |
| Number (no) | no.240 |
| Page | pp.61-66 |
| #Pages | 6 |
| Date of Issue | 2012-10-10 (SR) |
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