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| Presentation | 2009-07-30 09:55 Modulation Identification with Mean Power Variance in CDMA Wireless Communication System Narimasa Sugimoto, Osamu Takyu, Yohtaro Umeda (Tokyo Univ. of Science), Takeo Fujii (AWCC), Masao Nakagawa (Keio Univ.)  SR2009-39 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive Radio is a wireless communication system which makes it possible to use the channel resources more efficiently by exploiting the temporarily vacant resources. The nodes monitor the surrounding radio environment and detect the resources that avoid interference with the existing system in time and space to select the optimum communication system for its transmission. The information of modulation scheme is also one of the important indicators for the primary system condition. The information is available for constructing additional space channel. Recently, it is the mainstream to use code division multiple access (CDMA), orthogonal frequency division multiplexing (OFDM) for establishing multiple access channel and reducing multipath fading distortion. In this paper, the variance of mean power is used to identify the QPSK and 16QAM signals multiplexed by CDMA manner. The computer simulation shows the required condition for high accurate estimation of modulation scheme in the proposed scheme. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive Radio / Modulation Identification / CDMA / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 155, SR2009-39, pp. 107-112, July 2009. | |
| Paper # | SR2009-39 | |
| Date of Issue | 2009-07-22 (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 | SR2009-39 |
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| Conference Information | |
| Committee | SR |
| Conference Date | 2009-07-29 - 2009-07-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo institute of technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Exibition, reconfigurable hardware, and 10th anniversary ceremony |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2009-07-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Modulation Identification with Mean Power Variance in CDMA Wireless Communication System |
| Sub Title (in English) | |
| Keyword(1) | Cognitive Radio |
| Keyword(2) | Modulation Identification |
| Keyword(3) | CDMA |
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| 1st Author's Name | Narimasa Sugimoto |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 2nd Author's Name | Osamu Takyu |
| 2nd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 3rd Author's Name | Yohtaro Umeda |
| 3rd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 4th Author's Name | Takeo Fujii |
| 4th Author's Affiliation | The University of Electro-Communications (AWCC) |
| 5th Author's Name | Masao Nakagawa |
| 5th Author's Affiliation | Keio University (Keio Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-07-30 09:55:00 |
| Presentation Time | 25 minutes |
| Registration for | SR |
| Paper # | SR2009-39 |
| Volume (vol) | vol.109 |
| Number (no) | no.155 |
| Page | pp.107-112 |
| #Pages | 6 |
| Date of Issue | 2009-07-22 (SR) |
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