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Paper Abstract and Keywords
Presentation 2010-11-12 10:10
A Multihop Cooperative Routing Algorithm for Minimizing the Number of Hops in Spectrum Sharing Networks
I-Te Lin, Iwao Sasase (Keio Univ.) CS2010-48
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a multihop cooperative routing (MCR) algorithm that extends the lengths of the x axis projections of the hop distances and finds the multihop route that minimizes the number of hops in spectrum sharing networks. The cognitive relay and the cognitive receiver of each hop except the last one are selected by the following procedures. First, the cognitive node that is nearest away from the cognitive sender is selected as the cognitive relay, and let the cognitive destination (CD) be the cognitive receiver. Then, if the participation of the selected cognitive relay can not satisfy the QoS requirement of the cognitive transmission, among the cognitive receiver candidates that satisfy the QoS requirement of the cognitive transmission, the one whose x coordinate has the largest difference from that of the cognitive relay is selected as the cognitive receiver. At the last hop, if the cognitive relay is available, the cooperative transmission is performed. Otherwise, the direct transmission is performed. Simulation results show that the MCR reduces the average number of hops compared to the conventional scheme and outperforms the conventional scheme in terms of the average end-to-end reliability, the average end-to-end throughput, and the average required transmission power.
Keyword (in Japanese) (See Japanese page) 
(in English) cooperative routing / QoS / spectrum sharing / minimization of the number of hops / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 269, CS2010-48, pp. 65-70, Nov. 2010.
Paper # CS2010-48 
Date of Issue 2010-11-04 (CS) 
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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF CS2010-48

Conference Information
Committee CS  
Conference Date 2010-11-11 - 2010-11-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Wakura Hot Spring 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Broadband access systems, home networks, network services, applications for communications, etc. 
Paper Information
Registration To CS 
Conference Code 2010-11-CS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Multihop Cooperative Routing Algorithm for Minimizing the Number of Hops in Spectrum Sharing Networks 
Sub Title (in English)  
Keyword(1) cooperative routing  
Keyword(2) QoS  
Keyword(3) spectrum sharing  
Keyword(4) minimization of the number of hops  
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1st Author's Name I-Te Lin  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Iwao Sasase  
2nd Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2010-11-12 10:10:00 
Presentation Time 20 minutes 
Registration for CS 
Paper # CS2010-48 
Volume (vol) vol.110 
Number (no) no.269 
Page pp.65-70 
#Pages 6 
Date of Issue 2010-11-04 (CS) 

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