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Paper Abstract and Keywords
Presentation 2011-03-03 11:50
MAC protocol design for PHY-layer Network Coding
Yoshiki Maeda, Masahiro Hashii, Hiroyuki Yomo (Kansai Univ.) NS2010-172
Abstract (in Japanese) (See Japanese page) 
(in English) Physical layer (PHY) network coding (PLNC), which performs the operation of network coding at physical layer, is an attractive
means to improve throughput of wireless multi-hop networks. The PLNC requires multiple sending nodes to transmit
their packets with accurate synchronization at symbol-level. Therefore, in many works of literature, the centralized scheduling with perfect
synchronization has been assumed to be employed on top of PLNC. Furthermore, perfect CSI has also been assumed when
end-nodes attempt to decode their desired packets. However, these assumptions are challenged when we attempt to apply PLNC to
large-scale and distributed networks. Therefore, in this paper, we propose a distributed MAC protocol for wireless multi-hop network
employing PLNC. The proposed MAC protocol is a random access protocol, which solves the PHY-specific problems, such as
synchronization and CSI, jointly with distributed scheduling at MAC layer.
We evaluate throughput of PLNC employing the proposed MAC protocol by computer simulation, and
compare it with that of conventional relaying. With the numerical results, we investigate
the effectiveness of PLNC in distributed wireless multi-hop networks.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless Multi-hop Network / Network Coding / PHY-Layer Network Coding / MAC protocol / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 448, NS2010-172, pp. 51-56, March 2011.
Paper # NS2010-172 
Date of Issue 2011-02-24 (NS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 NS2010-172

Conference Information
Committee IN NS  
Conference Date 2011-03-03 - 2011-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General, NS+IN workshop (March 3-4) 
Paper Information
Registration To NS 
Conference Code 2011-03-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) MAC protocol design for PHY-layer Network Coding 
Sub Title (in English)  
Keyword(1) Wireless Multi-hop Network  
Keyword(2) Network Coding  
Keyword(3) PHY-Layer Network Coding  
Keyword(4) MAC protocol  
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1st Author's Name Yoshiki Maeda  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Masahiro Hashii  
2nd Author's Affiliation Kansai University (Kansai Univ.)
3rd Author's Name Hiroyuki Yomo  
3rd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2011-03-03 11:50:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2010-172 
Volume (vol) vol.110 
Number (no) no.448 
Page pp.51-56 
#Pages
Date of Issue 2011-02-24 (NS) 


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