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Paper Abstract and Keywords
Presentation 2017-11-08 09:25
Real-time coefficient optimization method for PAM-4 transmitter equalizer
Yosuke Iijima, Keigo Taya (NIT, Oyama college), Yasushi Yuminaka (Gunma Univ.) VLD2017-56 DC2017-62
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, demands for high-speed data transmission in electric wiring in a VLSI system are increasing with the advancement of high performance of semiconductor elements and increaseing capacity of network communication. To increase the capacity of communication, multi-valued data transmission technique such as PAM-4 is used in chip-to-chip wiring. Using the multi-valued data transmission, the Nyquist frequency is decreased, and it is possible to increase the bit rate. However, the requirement of the S/N ratio at the receiving end to realize a desired symbol error rate is increased, and the influences of transmission distortion at the receiving end are increasesd. For this reason, a waveform shaping technique such as an equalizer for removing the distortion at the transmitter/receiver is indispensable. Furthermore, to improve the S/N ratio at the receiver, it is important to adjust the equalizer according to the transmission environment. Therefore, in this study, we propose an evaluation technique of waveform distortion for multi-valued signaling PAM-4. In addition, we show experimental result of real-time adjustment of transmitter equalizer using the proposed evaluation method.
Keyword (in Japanese) (See Japanese page) 
(in English) PAM-4 / Transmitter equalizer / Wavaform shaping / Real-time adjustment / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 273, VLD2017-56, pp. 177-182, Nov. 2017.
Paper # VLD2017-56 
Date of Issue 2017-10-30 (VLD, DC) 
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)
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Conference Information
Committee VLD DC CPSY RECONF CPM ICD IE IPSJ-SLDM 
Conference Date 2017-11-06 - 2017-11-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto-Kenminkouryukan Parea 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Design Gaia 2017 -New Field of VLSI Design- 
Paper Information
Registration To VLD 
Conference Code 2017-11-VLD-DC-CPSY-RECONF-CPM-ICD-IE-SLDM-EMB-ARC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Real-time coefficient optimization method for PAM-4 transmitter equalizer 
Sub Title (in English)  
Keyword(1) PAM-4  
Keyword(2) Transmitter equalizer  
Keyword(3) Wavaform shaping  
Keyword(4) Real-time adjustment  
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1st Author's Name Yosuke Iijima  
1st Author's Affiliation National Institute of Technology, Oyama college (NIT, Oyama college)
2nd Author's Name Keigo Taya  
2nd Author's Affiliation National Institute of Technology, Oyama college (NIT, Oyama college)
3rd Author's Name Yasushi Yuminaka  
3rd Author's Affiliation Gunma University (Gunma Univ.)
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Speaker Author-1 
Date Time 2017-11-08 09:25:00 
Presentation Time 25 minutes 
Registration for VLD 
Paper # VLD2017-56, DC2017-62 
Volume (vol) vol.117 
Number (no) no.273(VLD), no.274(DC) 
Page pp.177-182 
#Pages 6 
Date of Issue 2017-10-30 (VLD, DC) 

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