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Paper Abstract and Keywords
Presentation 2011-12-15 15:30
Distributed and joint optimization of power and transceiver beam pattern in two-way MIMO relay networks
Gia Khanh Tran, Rindra Ramamonjison, Kei Sakaguchi, Kiyomichi Araki (Tokyo Tech) NS2011-131 RCS2011-244
Abstract (in Japanese) (See Japanese page) 
(in English) We investigate the joint optimization of power allocation and transceiver
weights in multiple-input multiple-output (MIMO) two-way multihop
networks. The objective is to maximize the minimum weighted signal-to-interference-plus
noise power ratio (SINR) of the multihop links while satisfying general
linear power constraints at the transmit nodes. First, we derive a
distributed power allocation algorithm by extending the notion of
link SINR metric. Using that result, we propose an alternating optimization algorithm for solving the more complex MIMO transceiver weights optimization. We compare its performance against those of centralized and conventional schemes through numerical simulations. Our results show that the proposed algorithm provides considerable improvement to the end-to-end rate of multihop networks. In fact, it achieves, with low complexity and low coordination overhead, a rate performance close to an upper-bound that was obtained from a centralized optimization with a relaxed powerconstraint.
Keyword (in Japanese) (See Japanese page) 
(in English) two-way MIMO relay / transceiver weight control / power control / distributed optimization / interference channel / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 345, RCS2011-244, pp. 69-73, Dec. 2011.
Paper # RCS2011-244 
Date of Issue 2011-12-08 (NS, RCS) 
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 NS2011-131 RCS2011-244

Conference Information
Committee NS RCS  
Conference Date 2011-12-15 - 2011-12-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Yamaguchi University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network 
Paper Information
Registration To RCS 
Conference Code 2011-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Distributed and joint optimization of power and transceiver beam pattern in two-way MIMO relay networks 
Sub Title (in English)  
Keyword(1) two-way MIMO relay  
Keyword(2) transceiver weight control  
Keyword(3) power control  
Keyword(4) distributed optimization  
Keyword(5) interference channel  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Gia Khanh Tran  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Rindra Ramamonjison  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Kei Sakaguchi  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
4th Author's Name Kiyomichi Araki  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2011-12-15 15:30:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # NS2011-131, RCS2011-244 
Volume (vol) vol.111 
Number (no) no.344(NS), no.345(RCS) 
Page pp.73-77(NS), pp.69-73(RCS) 
#Pages 5 
Date of Issue 2011-12-08 (NS, RCS) 

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