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| Presentation | 2012-07-27 10:50 A study of frequency offset countermeasure for cyclostationrity-based a number of signals detection Takashi Miura, Kenta Umebayashi, Yasuo Suzuki (Tokyo Univ. of Agri. & Tech.)  SR2012-29 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper，we have investigated 4-level hypothesis based spectrum sensing technique for spectrum spectrum sharing between primary users (PUs) and secondary users (SUs). In the most of related works, they focused on 2-level hypothesis, H0: frequency is vacant and H1: frequency is used by PU. In the 4-level hypothesis, we add two hypothesis, H2: frequency is used by SU and H3: frequency is used by PU and SU. Benefit of the 4-level hypothesis approach is that it is possible to achieve more effective spectrum utilization by recognizing details of status of frequency. In a previous work of spectrum sensing for the 4-level hypothesis, cyclostationarity of SU is designed to enable accurate recognition. Specifically, a small frequency shift is added to the SU signal. However, in this approach, frequency offset caused by Doppler shift and uncertainty of local oscillator is a significant issue for accurate spectrum sensing in the 4-level hypothesis. For this issue, we proposed a test statistic which can achieve robustness against the frequency offset and introduced a design method of the proposed spectrum sensing. The numerical results have shown the validity of the design and a robustness of the proposed spectrum sensing. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | spectrum sharing / sensing / cyclostationarity / multiple hypothesis test / frequency offset / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 153, SR2012-29, pp. 55-61, July 2012. | |
| Paper # | SR2012-29 | |
| Date of Issue | 2012-07-19 (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 | SR2012-29 |
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| Conference Information | |
| Committee | SR |
| Conference Date | 2012-07-26 - 2012-07-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Yakushima (an island in Kagoshima pref.) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | cognitive radio network, heterogeneous network, cross layer radio technologies, panel discussion |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2012-07-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study of frequency offset countermeasure for cyclostationrity-based a number of signals detection |
| Sub Title (in English) | |
| Keyword(1) | spectrum sharing |
| Keyword(2) | sensing |
| Keyword(3) | cyclostationarity |
| Keyword(4) | multiple hypothesis test |
| Keyword(5) | frequency offset |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takashi Miura |
| 1st Author's Affiliation | Tokyo University of Agriculture & Technology (Tokyo Univ. of Agri. & Tech.) |
| 2nd Author's Name | Kenta Umebayashi |
| 2nd Author's Affiliation | Tokyo University of Agriculture & Technology (Tokyo Univ. of Agri. & Tech.) |
| 3rd Author's Name | Yasuo Suzuki |
| 3rd Author's Affiliation | Tokyo University of Agriculture & Technology (Tokyo Univ. of Agri. & Tech.) |
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| Speaker | Author-1 |
| Date Time | 2012-07-27 10:50:00 |
| Presentation Time | 25 minutes |
| Registration for | SR |
| Paper # | SR2012-29 |
| Volume (vol) | vol.112 |
| Number (no) | no.153 |
| Page | pp.55-61 |
| #Pages | 7 |
| Date of Issue | 2012-07-19 (SR) |
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