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| Presentation | 2011-04-22 11:25 Television White Space (TVWS) Geo-Location Database Access by Personal Portable Device Yohannes D. Alemseged, Chen Sun, Zhou Lan, Sum Chin Sean, Ha Nguyen Tran, Gabriel Villardi, Hiroshi Harada (NICT)  SR2011-12 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Cognitive radio system (CRS) that dynamically access radio spectrum based on the availability of unoccupied spectrum has become a reality. Such opportunistic radio system has gone beyond a theoretical and academic research interest. Regulatory bodies are rolling out series of rules that allow unlicensed operation in certain spectrum bands while avoiding interference to existing legacy services. CRS deployed for unlicensed operation thus require to implement a reliable mechanism to minimize interference to the incumbent services. One of such mechanisms is accessing a geo-location database that indicates available channel list for a particular area. The IEEE 802.11af Task Group (TG) that is currently developing a draft standard for Wi-Fi using the TV white spaces (unoccupied TV broadcasting channels) is addressing the protection of incumbent services (TV broadcasts) through consideration of channel availability check from the geo-location database. This article explores the geo-location database access method including a technical proposal that facilitates mobility. The proposal is accompanied by a computer simulation that evaluates mobility area versus capacity to demonstrates its usefulness. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | / / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 13, SR2011-12, pp. 71-75, April 2011. | |
| Paper # | SR2011-12 | |
| Date of Issue | 2011-04-14 (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 | SR2011-12 |
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| Conference Information | |
| Committee | SR |
| Conference Date | 2011-04-21 - 2011-04-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Matsue Terrsa |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Standardization of Software Defined Radio and Cognitive Radio, etc. |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2011-04-SR |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Television White Space (TVWS) Geo-Location Database Access by Personal Portable Device |
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| 1st Author's Name | Yohannes D. Alemseged |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Chen Sun |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 3rd Author's Name | Zhou Lan |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Sum Chin Sean |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 5th Author's Name | Ha Nguyen Tran |
| 5th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 6th Author's Name | Gabriel Villardi |
| 6th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 7th Author's Name | Hiroshi Harada |
| 7th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2011-04-22 11:25:00 |
| Presentation Time | 25 minutes |
| Registration for | SR |
| Paper # | SR2011-12 |
| Volume (vol) | vol.111 |
| Number (no) | no.13 |
| Page | pp.71-75 |
| #Pages | 5 |
| Date of Issue | 2011-04-14 (SR) |
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