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Paper Abstract and Keywords
Presentation 2011-12-12 14:50
[Invited Talk] Network Modulation: A New Dimension to Enhance Wireless Network Performance
Lin Cai (Univ. of Victoria) SAT2011-49
Abstract (in Japanese) (See Japanese page) 
(in English) We have witnessed the explosive growth of the Internet, and the growth will even accelerate in the coming few decades, thanks to the ever-increasing demand for ubiquitous network services, anywhere, anytime, and with any devices. Cross-layer protocol design and optimization is a promising direction for next generation terrestrial and satellite wireless networks. In this talk, we introduce an approach called network modulation which gives us a new dimension to improve wireless network throughput and save energy. In current wireless systems, when a source transmits data to the receiver through a single-hop or multi-hop wireless path, the physical layer modulates and demodulates the information bits hop-by-hop, and the transmission over each hop is treated the same as in a point-to-point communication link. Given the broadcast nature of wireless medium and the wide variation of wireless channel quality, we let a sender transmit messages to multiple receivers simultaneously, using a software mapping technology, called network modulation, to redefine the constellation of typical quadrature amplitude modulation (QAM) schemes. Network modulation can be used to improve network performance in a wide range of scenarios, for anycast (broadcast, multicast and unicast) multimedia services, one-way or two-way traffic, and single-hop or multi-hop wireless paths.
Keyword (in Japanese) (See Japanese page) 
(in English) cross-layer design / modulation / wireless networks / / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 336, SAT2011-49, pp. 63-70, Dec. 2011.
Paper # SAT2011-49 
Date of Issue 2011-12-05 (SAT) 
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 SAT2011-49

Conference Information
Committee SAT  
Conference Date 2011-12-12 - 2011-12-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) JC-SAT 2011 
Paper Information
Registration To SAT 
Conference Code 2011-12-SAT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Network Modulation: A New Dimension to Enhance Wireless Network Performance 
Sub Title (in English)  
Keyword(1) cross-layer design  
Keyword(2) modulation  
Keyword(3) wireless networks  
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1st Author's Name Lin Cai  
1st Author's Affiliation University of Victoria (Univ. of Victoria)
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Speaker Author-1 
Date Time 2011-12-12 14:50:00 
Presentation Time 40 minutes 
Registration for SAT 
Paper # SAT2011-49 
Volume (vol) vol.111 
Number (no) no.336 
Page pp.63-70 
#Pages 8 
Date of Issue 2011-12-05 (SAT) 

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