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Paper Abstract and Keywords
Presentation 2014-01-24 09:30
Power Reduction by Adaptively Optimizing Optical Power using Actual BER for 10G-EPON Systems
Namiko Ikeda, Hiroyuki Uzawa, Kazuhiko Terada, Satoshi Shigematsu, Hiroshi Koizumi, Masami Urano (NTT) CS2013-96
Abstract (in Japanese) (See Japanese page) 
(in English) 10G-EPON systems are next generations of access network systems, and power consumptions of these systems increase because of big bandwidths. In the system, transceivers of ONUs waste big powers. Because optical powers of the transceivers are defined for 20-km transmission distances by IEEE standard, but more than half of the practical transmission distances between the OLT and ONUs are less than 2 km. So powers saving schemes for transceivers in ONUs are required. If the optical powers are decreased regardless of quality of signals to reduce the power consumptions, frame losses occur. This paper proposes a power reduction scheme without frame loss. The scheme calculates BER of received signals at the OLT and decides the optical power of the transceiver in the ONU based on the BER. In the proposed scheme, the pre-FEC BER is calculated using the number of corrected error bits, and the ONU adaptively adjusts the optical power according to the decision during the discovery window. The power consumption is reduced by 250 mW without any additional devices and without degrading throughput.
Keyword (in Japanese) (See Japanese page) 
(in English) 10G-EPON / Power Reduction / Optical Power / BER / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 390, CS2013-96, pp. 71-74, Jan. 2014.
Paper # CS2013-96 
Date of Issue 2014-01-16 (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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF CS2013-96

Conference Information
Committee CS OCS  
Conference Date 2014-01-23 - 2014-01-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Hajijo-jima Ohgagou Kouminkan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Core/Metro System, Optical Access System/Next Generation PON, Broadband Access System, (Wide Area) Ethernet, Optical Transport Network (OTN), High-Speed Interface, Analog Optical Transmission, Quantum Communication, etc. 
Paper Information
Registration To CS 
Conference Code 2014-01-CS-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Power Reduction by Adaptively Optimizing Optical Power using Actual BER for 10G-EPON Systems 
Sub Title (in English)  
Keyword(1) 10G-EPON  
Keyword(2) Power Reduction  
Keyword(3) Optical Power  
Keyword(4) BER  
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Keyword(6)  
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Keyword(8)  
1st Author's Name Namiko Ikeda  
1st Author's Affiliation Nippon Telegraph and Telephone corporation (NTT)
2nd Author's Name Hiroyuki Uzawa  
2nd Author's Affiliation Nippon Telegraph and Telephone corporation (NTT)
3rd Author's Name Kazuhiko Terada  
3rd Author's Affiliation Nippon Telegraph and Telephone corporation (NTT)
4th Author's Name Satoshi Shigematsu  
4th Author's Affiliation Nippon Telegraph and Telephone corporation (NTT)
5th Author's Name Hiroshi Koizumi  
5th Author's Affiliation Nippon Telegraph and Telephone corporation (NTT)
6th Author's Name Masami Urano  
6th Author's Affiliation Nippon Telegraph and Telephone corporation (NTT)
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Speaker Author-1 
Date Time 2014-01-24 09:30:00 
Presentation Time 20 minutes 
Registration for CS 
Paper # CS2013-96 
Volume (vol) vol.113 
Number (no) no.390 
Page pp.71-74 
#Pages 4 
Date of Issue 2014-01-16 (CS) 

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