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| Presentation | 2015-03-06 10:15 A Novel Spectrum Occupancy Rate Measurement Technique Based on Received Signal Power CDF Using Least Squares Method for Noise Power Estimation Shota Rachi, Akira Saito, Masahiro Umehira, Shigeki Takeda (Ibaraki Univ.)  SR2014-140 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The authors have proposed a spectrum occupancy rate measurement technique using CDF (Cumulative Probability Distribution Function) of received signal power as a threshold in order to quantitatively evaluate the temporal and spatial usage of frequency resources. However, the conventional technique has a drawback, i.e. measurement performance is significantly degraded in low received SNR conditions. To improve the measurement performance of the conventional technique in low SNR conditions, this report proposes a novel spectrum occupancy rate measurement technique based on received signal power CDF using least squares method for noise power estimation. Computer simulations and experiments have been conducted to evaluate the measurement performance of the proposed new technique according to various, parameters such as received signal SNR, packet length, and measured number of samples, as well as parameters related to the measurement technique such as noise power estimation section. Simulation and experimental results show that the proposed new technique improves measurement accuracy in low SNR conditions. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive radio / Cumulative probability distribution function / Least square method / Received signal power / Spectrum occupancy / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 491, SR2014-140, pp. 175-179, March 2015. | |
| Paper # | SR2014-140 | |
| Date of Issue | 2015-02-25 (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 | SR2014-140 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2015-03-04 - 2015-03-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2015-03-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Novel Spectrum Occupancy Rate Measurement Technique Based on Received Signal Power CDF Using Least Squares Method for Noise Power Estimation |
| Sub Title (in English) | |
| Keyword(1) | Cognitive radio |
| Keyword(2) | Cumulative probability distribution function |
| Keyword(3) | Least square method |
| Keyword(4) | Received signal power |
| Keyword(5) | Spectrum occupancy |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shota Rachi |
| 1st Author's Affiliation | Ibaraki University (Ibaraki Univ.) |
| 2nd Author's Name | Akira Saito |
| 2nd Author's Affiliation | Ibaraki University (Ibaraki Univ.) |
| 3rd Author's Name | Masahiro Umehira |
| 3rd Author's Affiliation | Ibaraki University (Ibaraki Univ.) |
| 4th Author's Name | Shigeki Takeda |
| 4th Author's Affiliation | Ibaraki University (Ibaraki Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-03-06 10:15:00 |
| Presentation Time | 25 minutes |
| Registration for | SR |
| Paper # | SR2014-140 |
| Volume (vol) | vol.114 |
| Number (no) | no.491 |
| Page | pp.175-179 |
| #Pages | 5 |
| Date of Issue | 2015-02-25 (SR) |
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