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Congestion Estimation Technique in the Optical Network Unit Registration Process
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- Authors
- Geunyong Kim, Hark Yoo, Dongsoo Lee, Youngsun Kim, Hyuk Lim
- Issue Date
- 2016-07
- Citation
- Optics Letters, v.41, no.13, pp.2923-2926
- ISSN
- 0146-9592
- Publisher
- Optical Society of America(OSA)
- Language
- English
- Type
- Journal Article
- Abstract
- We present a congestion estimation technique (CET) to estimate the optical network unit (ONU) registration success ratio for the ONU registration process in passive optical networks. An optical line terminal (OLT) estimates the number of collided ONUs via the proposed scheme during the serial number state. The OLT can obtain congestion level among ONUs to be registered such that this information may be exploited to change the size of a quiet window to decrease the collision probability. We verified the efficiency of the proposed method through simulation and experimental results.
- KSP Keywords
- Collision Probability, Congestion estimation, Congestion level, Estimation Technique, Optical line terminal(OLT), Optical network unit(ONU), Passive optical network, Serial number, Success ratio