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Paper Abstract and Keywords
Presentation 2024-01-19 15:20
[Encouragement Talk] Outage-Minimization Beamforming Enabling High Sum-Rate for Millimeter-Wave OFDM Systems
Sota Uchimura (UEC), Giuseppe Abreu (CU), Koji Ishibashi (UEC) IT2023-70 SIP2023-103 RCS2023-245
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a coordinated multi-point (CoMP) transmission scheme to mitigate path blockage effects in millimeter-wave frequency selective channels. To this end, the corporative beamforming design is formulated as a regularized sum-of-outage minimization problem where the regularizer is given by a loss function corresponding to the beamformer maximizing the sum rate based on the estimated channel. This formulation deals with outage minimization and sum rate maximization, simultaneously. The proposed problem is solved via block stochastic learning with blockage probabilities for wireless paths, where learning rates are tuned to guarantee the convergence and achieve better local optimal values. Numerical results confirm that the proposed approach achieves higher sum rates than the conventional approaches while maintaining comparable outage probabilities.
Keyword (in Japanese) (See Japanese page) 
(in English) Millimeter-wave communication, / random blockage / coordinated multi-point (CoMP) / block stochastic learning / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 340, RCS2023-245, pp. 217-222, Jan. 2024.
Paper # RCS2023-245 
Date of Issue 2024-01-11 (IT, SIP, RCS) 
ISSN 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 IT2023-70 SIP2023-103 RCS2023-245

Conference Information
Committee SIP IT RCS  
Conference Date 2024-01-18 - 2024-01-19 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2024-01-SIP-IT-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Outage-Minimization Beamforming Enabling High Sum-Rate for Millimeter-Wave OFDM Systems 
Sub Title (in English)  
Keyword(1) Millimeter-wave communication,  
Keyword(2) random blockage  
Keyword(3) coordinated multi-point (CoMP)  
Keyword(4) block stochastic learning  
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1st Author's Name Sota Uchimura  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Giuseppe Abreu  
2nd Author's Affiliation Contractor University (CU)
3rd Author's Name Koji Ishibashi  
3rd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2024-01-19 15:20:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2023-70, SIP2023-103, RCS2023-245 
Volume (vol) vol.123 
Number (no) no.338(IT), no.339(SIP), no.340(RCS) 
Page pp.217-222 
#Pages 6 
Date of Issue 2024-01-11 (IT, SIP, RCS) 

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