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Paper Abstract and Keywords
Presentation 2013-03-15 11:35
Joint Optimization Design for Multiple Underlay MIMO CognitiveTransceiver with Channel Uncertainty
Bassant Abdelhamid (Kyushu Univ.), Maha Elsabrouty (EJUST Univ.), Masoud Alghoniemy (Univ. of Alexandria), Salwa Elramly (Ain Shams Univ.), Osamu Muta, Hiroshi Furukawa (Kyushu Univ.) CAS2012-137 SIP2012-168 CS2012-143
Abstract (in Japanese) (See Japanese page) 
(in English) Underlay cognitive Radio (CR) permits an unlicensed secondary users to transmit over the licensed spectrum unless the interference from the secondary users on the licensed, primary, receiver exceeds an acceptable level. This paper proposes an interference alignment-based distributed joint optimization design for multiple secondary transceivers in underlay CR case. The precoding and power allocation matrices are jointly optimized in the case of both perfect and imperfect channel knowledge to control the secondary interference on the licensed user and maximize the secondary rate. Numerical results prove that the proposed methods are able to support higher secondary rates and to protect the primary user from extra interference even in channel uncertainty case.
Keyword (in Japanese) (See Japanese page) 
(in English) Underlay cognitive radio / joint optimization / convex optimization problem / interference constraint / multiple secondary users / channel uncertainty / multiple input multiple output (MIMO) /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 486, CS2012-143, pp. 235-240, March 2013.
Paper # CS2012-143 
Date of Issue 2013-03-07 (CAS, SIP, 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)
Download PDF CAS2012-137 SIP2012-168 CS2012-143

Conference Information
Committee SIP CAS CS  
Conference Date 2013-03-14 - 2013-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Keio Univ. Tsuruoka Campus (Yamagata) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Processor, Signal Processing for communication, and Wireless LAN/PAN, etc. 
Paper Information
Registration To CS 
Conference Code 2013-03-SIP-CAS-CS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Joint Optimization Design for Multiple Underlay MIMO CognitiveTransceiver with Channel Uncertainty 
Sub Title (in English)  
Keyword(1) Underlay cognitive radio  
Keyword(2) joint optimization  
Keyword(3) convex optimization problem  
Keyword(4) interference constraint  
Keyword(5) multiple secondary users  
Keyword(6) channel uncertainty  
Keyword(7) multiple input multiple output (MIMO)  
Keyword(8)  
1st Author's Name Bassant Abdelhamid  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Maha Elsabrouty  
2nd Author's Affiliation E-JUST University (EJUST Univ.)
3rd Author's Name Masoud Alghoniemy  
3rd Author's Affiliation University of Alexandria (Univ. of Alexandria)
4th Author's Name Salwa Elramly  
4th Author's Affiliation Ain Shams University (Ain Shams Univ.)
5th Author's Name Osamu Muta  
5th Author's Affiliation Kyushu University (Kyushu Univ.)
6th Author's Name Hiroshi Furukawa  
6th Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2013-03-15 11:35:00 
Presentation Time 25 minutes 
Registration for CS 
Paper # CAS2012-137, SIP2012-168, CS2012-143 
Volume (vol) vol.112 
Number (no) no.484(CAS), no.485(SIP), no.486(CS) 
Page pp.235-240 
#Pages 6 
Date of Issue 2013-03-07 (CAS, SIP, CS) 

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