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Your search keyword '"Yoshifumi Hotta"' showing total 3 results
Start Over Author "Yoshifumi Hotta" Topic passive optical network
3 results on '"Yoshifumi Hotta"'

1. PON with Automatic Protection switching for high reliable communication

Author

Tetsuya Yokotani, Kiyoshi Shimokasa, Yoshifumi Hotta, Akira Takahashi, and Hiroaki Mukai

Subjects
Local loop, Computer Networks and Communications, Computer science, business.industry, Software deployment, Automatic protection switching, Electrical and Electronic Engineering, business, Passive optical network, Fiber to the x, Computer network
Abstract

PON (Passive Optical Network) permits the economical deployment of FTTH (Fiber to the Home) networks by sharing a single optical subscriber line among multiple subscribers. Especially since 2002, the deployment of PON systems has grown rapidly. This paper introduces the current status of FTTH in Japan then proposes a redundant optical access system with APS (Automatic Protection Switching) over PON which enables PONs for FTTBus (Fiber to the Business).

Published
2009
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2. Evaluation of fast wavelength switching sequence for WDM/TDM-EPON system

Author

Koji Sato, Tetsuya Yokotani, Hiroaki Mukai, Yoshifumi Hotta, and D. Takahashi

Subjects
Switching time, LAN switching, Optical Transport Network, Computer science, Electronic engineering, Optical performance monitoring, Optical burst switching, Optical add-drop multiplexer, Telecommunications network, Passive optical network
Abstract

In this paper, a fast wavelength switching protocol to deal with the RTT drift problem in WDM/TDM-EPON system is proposed. Estimated process time revealed one sixth reduction of the switching time can be available.

Published
2012
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3. The Demonstration of Symmetric 10G-EPON System for Coexistence with 1G-EPON

Author

Naoki Suzuki, Junichi Nakagawa, Koshi Sugimura, Akihiro Tsuji, Kiyoshi Shimokasa, Yoshifumi Hotta, and Seiji Kozaki

Subjects
Access network, 10G-EPON, Computer science, business.industry, Wavelength-division multiplexing, Next-generation network, Time division multiple access, Upstream (networking), Throughput, business, Passive optical network, Throughput (business), Computer network
Abstract

The 10Gbps-PON system with 10G/1G coexistence capability is one of the most promised systems for next generation optical access networks. We successfully developed 10G-EPON system for coexistence with existing 1G-EPON ONU with 8.46Gbps upstream throughput.

Published
2009
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