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Paper Abstract and Keywords
Presentation 2007-08-23 16:10
[Invited Talk] Possibilities and Challenges of Spectrum-Sharing based Wireless Communications -- Through the Trends on Cognitive Radio Standardization in IEEE802.22 --
Shigenobu Sasaki (Niigata Univ.) RCS2007-58 AN2007-27
Abstract (in Japanese) (See Japanese page) 
(in English) Possibilities and challenges are discussed on future wireless communications with spectrum sharing approach. Demand of wide frequency spectrum has been increasing rapidly due to the recent development of various broadband radio interfaces. Also, emerging interest on ad-hoc network and sensor network will push such growing demand of frequency spectrum, because these networks will have a lot of wireless entities. However, radio frequency spectrum is scarce source; most of the frequency spectrum has been already allocated to various wireless services. Spectrum-sharing based wireless communications such as cognitive radio is a promising solution to use this limited spectrum resource more efficiently. However, many hurdles exist from the viewpoint of regulations and technology to put such spectrum-sharing based wireless technology to practical use. In this paper, ongoing technology development and problems under study are introduced in IEEE802.22 working group, which is working to standardize radio access technology including cognitive radio technology in wireless regional area network (WRAN). Through the introduction of IEEE802.22 standardization activities, we discuss technical barriers and potential technologies of cognitive radio technology for future spectrum-sharing based wireless communications.
Keyword (in Japanese) (See Japanese page) 
(in English) spectrum sharing / cognitive radio / IEEE802.22 / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 192, RCS2007-58, pp. 31-31, Aug. 2007.
Paper # RCS2007-58 
Date of Issue 2007-08-16 (RCS, AN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee RCS AN  
Conference Date 2007-08-23 - 2007-08-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2007-08-RCS-AN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Possibilities and Challenges of Spectrum-Sharing based Wireless Communications 
Sub Title (in English) Through the Trends on Cognitive Radio Standardization in IEEE802.22 
Keyword(1) spectrum sharing  
Keyword(2) cognitive radio  
Keyword(3) IEEE802.22  
1st Author's Name Shigenobu Sasaki  
1st Author's Affiliation Niigata University (Niigata Univ.)
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Date Time 2007-08-23 16:10:00 
Presentation Time 40 
Registration for RCS 
Paper # IEICE-RCS2007-58,IEICE-AN2007-27 
Volume (vol) IEICE-107 
Number (no) no.192(RCS), no.193(AN) 
Page p.31(RCS), p.73(AN) 
#Pages IEICE-1 
Date of Issue IEICE-RCS-2007-08-16,IEICE-AN-2007-08-16 

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