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Paper Abstract and Keywords
Presentation 2026-06-19 11:00
FPGA-Based Evaluation of Parallel Pilot-Aggregated MIMO Adaptive Equalization for Fast Polarization Tracking
Syoma Miura (UOsaka), Yohei Koganei (1Finity), Koji Igarashi (UOsaka) OCS2026-16
Abstract (in Japanese) (See Japanese page) 
(in English) We present numerical simulations and circuit synthesis evaluations of a parallel pilot-aggregated MIMO (multiple-input multiple-output) adaptive equalizer suitable for real-time implementation. In this method, pilot symbols are inserted at intervals corresponding to the degree of parallelization and aggregated into one of the parallel channels in the receiver-side digital signal processing (DSP). In the aggregated pilot channel, the MIMO equalizer taps are updated in the training mode every DSP clock cycle, and the updated taps are transferred and applied to the other parallel channels carrying payload symbols. Numerical simulation results show that the proposed method significantly improves polarization tracking performance compared with a conventional pilot-based method. Furthermore, FPGA-based circuit synthesis demonstrates that the proposed method achieves a significant reduction in hardware resource usage compared with the conventional method while achieving a low latency of less than 6 ns.
Keyword (in Japanese) (See Japanese page) 
(in English) Digital signal processing / MIMO adaptive equalization / FPGA / / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 76, OCS2026-16, pp. 40-45, June 2026.
Paper # OCS2026-16 
Date of Issue 2026-06-11 (OCS) 
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 OCS2026-16

Conference Information
Committee OCS NS PN  
Conference Date 2026-06-18 - 2026-06-19 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To OCS 
Conference Code 2026-06-OCS-NS-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) FPGA-Based Evaluation of Parallel Pilot-Aggregated MIMO Adaptive Equalization for Fast Polarization Tracking 
Sub Title (in English)  
Keyword(1) Digital signal processing  
Keyword(2) MIMO adaptive equalization  
Keyword(3) FPGA  
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1st Author's Name Syoma Miura  
1st Author's Affiliation The University of Osaka (UOsaka)
2nd Author's Name Yohei Koganei  
2nd Author's Affiliation 1FINIYT Inc. (1Finity)
3rd Author's Name Koji Igarashi  
3rd Author's Affiliation The University of Osaka (UOsaka)
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Speaker Author-1 
Date Time 2026-06-19 11:00:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2026-16 
Volume (vol) vol.126 
Number (no) no.76 
Page pp.40-45 
#Pages 6 
Date of Issue 2026-06-11 (OCS) 

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