Presentation 2014-01-24
A Study on Feedback Mechanism for ONU Sleep Control
Yoshiaki MANEYAMA, Ryogo KUBO,
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Abstract(in English) The development of next-generation passive optical networks (PONs) is promoted through the spread of broadband access services. In addition, the increase in the power consumption of optical access network systems becomes an important issue. Cyclic Sleep is one of the power-saving techniques of optical network units (ONUs) in PON systems. The Cyclic Sleep technique switches ONU sleep state and ONU active state periodically in the sleep mode. However, inappropriate sleep control has the potential to degrade the quality of services (QoS), since the ONU cannot communicate with an optical line terminal (OLT) when it enters the sleep state. The authors have proposed a cyclic sleep controller based on feedback control techniques to maintain the downstream average queuing delay at a constant level and also reduce the ONU power consumption. However, the conventional controller could not remove the steady-state errors between a target delay value and a response delay value. This paper shows that appropriate parameter setting of an improved controller can reduce the steady-state errors compared with the conventional controller.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Optical Access / PON / Power Saving / Sleep Control / QoS / Feedback Control
Paper # CQ2013-80
Date of Issue

Conference Information
Committee CQ
Conference Date 2014/1/17(1days)
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Paper Information
Registration To Communication Quality (CQ)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on Feedback Mechanism for ONU Sleep Control
Sub Title (in English)
Keyword(1) Optical Access
Keyword(2) PON
Keyword(3) Power Saving
Keyword(4) Sleep Control
Keyword(5) QoS
Keyword(6) Feedback Control
1st Author's Name Yoshiaki MANEYAMA
1st Author's Affiliation Department of Electronics and Electrical Engineering, Keio University()
2nd Author's Name Ryogo KUBO
2nd Author's Affiliation Department of Electronics and Electrical Engineering, Keio University
Date 2014-01-24
Paper # CQ2013-80
Volume (vol) vol.113
Number (no) 405
Page pp.pp.-
#Pages 6
Date of Issue