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| Presentation | 2009-05-29 17:15 An Evaluation of Inter System Interference of Orthogonal Frequency Sensing Information Collection Method Mai Ohta, Takeo Fujii (The Univ. of Electro-Comm.), Kazushi Muraoka, Masayuki Ariyoshi (NEC)  SR2009-21 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have proposed the orthogonal frequency sensing information collection method which collects the sensing information of multiple sensing nodes to the master node. The method converts the received power level into the frequency of narrow band orthogonal signal, which corresponds to OFDM subcarrier number. This method can effectively collect the cooperative sensing information to the master node by using the same channel with the primary system, because it uses only the narrow band signal which can reduce the interference toward the primary system compared to using the whole band of the primary system. In this research, in order to protect the primary system, the secondary node controls the transmit power considering the total power of the primary system. Then we can realize the information collection method by using the same spectrum. Finally, we confirm the effectiveness of our proposed method by evaluating the inter system interference between the primary system and the secondary system. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive Radio / Orthogonal Frequency Sensing Information Collection / Narrowband Signal / Interference Power / Power Control / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 61, SR2009-21, pp. 135-140, May 2009. | |
| Paper # | SR2009-21 | |
| Date of Issue | 2009-05-21 (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 | SR2009-21 |
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| Conference Information | |
| Committee | SR |
| Conference Date | 2009-05-28 - 2009-05-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Niigata Univ |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Cognitive/Software radio and international workshop |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2009-05-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Evaluation of Inter System Interference of Orthogonal Frequency Sensing Information Collection Method |
| Sub Title (in English) | |
| Keyword(1) | Cognitive Radio |
| Keyword(2) | Orthogonal Frequency Sensing Information Collection |
| Keyword(3) | Narrowband Signal |
| Keyword(4) | Interference Power |
| Keyword(5) | Power Control |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Mai Ohta |
| 1st Author's Affiliation | The University of Electro-Communications (The Univ. of Electro-Comm.) |
| 2nd Author's Name | Takeo Fujii |
| 2nd Author's Affiliation | The University of Electro-Communications (The Univ. of Electro-Comm.) |
| 3rd Author's Name | Kazushi Muraoka |
| 3rd Author's Affiliation | NEC (NEC) |
| 4th Author's Name | Masayuki Ariyoshi |
| 4th Author's Affiliation | NEC (NEC) |
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| Speaker | Author-1 |
| Date Time | 2009-05-29 17:15:00 |
| Presentation Time | 25 minutes |
| Registration for | SR |
| Paper # | SR2009-21 |
| Volume (vol) | vol.109 |
| Number (no) | no.61 |
| Page | pp.135-140 |
| #Pages | 6 |
| Date of Issue | 2009-05-21 (SR) |
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