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| Presentation | 2009-03-05 10:00 Introduction of White Space Cognitive Radio Communication System Research of Toshiba Tazuko Tomioka, Ren Sakata, Koichiro Ban, Takahiro Kobayashi (Toshiba Co.)  SR2008-104 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, Studies of white-space cognitive radio systems are being actively pursued in response to the frequency depletion problem. At present, a signal of lumped frequency is placed in one of the white-space frequencies, such as TV bands. In the future when cognitive radio techniques are mature, many frequency bands with discrete center frequencies may be used simultaneously in order to transmit extremely broadband data. However, there are many problems to realize the system. At the prospect, we have proposed a broadband short-range white-space cognitive system COGSIP (COGnitive System of Intelligent Processing) to substantiate the problems and investigate them. In this manuscript, we introduce the outline of COGSIP and related techniques, especially, high-sensitivity energy detection, narrow-band signal detection, easily-detectable initial information channel and transmission signal shaping with low PAPR (Peak-to-Average Power Ratio). | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive Radio / White Space / Carrier-Sensing / Broadcast Signal / DFT-spread OFDM / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 446, SR2008-104, pp. 101-107, March 2009. | |
| Paper # | SR2008-104 | |
| Date of Issue | 2009-02-25 (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 | SR2008-104 |
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| Conference Information | |
| Committee | RCS AN MoNA SR |
| Conference Date | 2009-03-04 - 2009-03-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Workshop on Mobile Communications |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2009-03-RCS-AN-MoMuC-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Introduction of White Space Cognitive Radio Communication System Research of Toshiba |
| Sub Title (in English) | |
| Keyword(1) | Cognitive Radio |
| Keyword(2) | White Space |
| Keyword(3) | Carrier-Sensing |
| Keyword(4) | Broadcast Signal |
| Keyword(5) | DFT-spread OFDM |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tazuko Tomioka |
| 1st Author's Affiliation | Toshiba Corp. (Toshiba Co.) |
| 2nd Author's Name | Ren Sakata |
| 2nd Author's Affiliation | Toshiba Corp. (Toshiba Co.) |
| 3rd Author's Name | Koichiro Ban |
| 3rd Author's Affiliation | Toshiba Corp. (Toshiba Co.) |
| 4th Author's Name | Takahiro Kobayashi |
| 4th Author's Affiliation | Toshiba Corp. (Toshiba Co.) |
| 5th Author's Name | |
| 5th Author's Affiliation | () |
| 6th Author's Name | |
| 6th Author's Affiliation | () |
| Speaker | Author-1 |
| Date Time | 2009-03-05 10:00:00 |
| Presentation Time | 20 minutes |
| Registration for | SR |
| Paper # | SR2008-104 |
| Volume (vol) | vol.108 |
| Number (no) | no.446 |
| Page | pp.101-107 |
| #Pages | 7 |
| Date of Issue | 2009-02-25 (SR) |
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