Novel on-line supervisory technique for Q-factor in the optical supervisory channel of optical transport network

Yong Tang; Xiaohan Sun; Mingde Zhang; Dong Ding

doi:10.1117/12.444590

11 October 2001 Novel on-line supervisory technique for Q-factor in the optical supervisory channel of optical transport network

Yong Tang, Xiaohan Sun, Mingde Zhang, Dong Ding

Author Affiliations +

Proceedings Volume 4604, Fiber Optic Components, Subsystems, and Systems for Telecommunications; (2001) https://doi.org/10.1117/12.444590
Event: International Symposium on Optoelectonics and Microelectronics, 2001, Nanjing, China

Abstract

This paper introduces a novel hierarchical model of optical transport network (OTN) and discusses the functional architecture of optical supervisory channel (OSC) with a Q-factor on-line supervision module which can provide a reliable evidence for the transmission quality of operation, administration and maintenance (OA&M) signals in the OSC subsystem of OTN. The quality indication of OSC signals is transferred to the network management system (NMS). The principles of Q-factor detection by a numerical calculation method are presented, and also, an on-line supervisory scheme based on DSP and high-speed A/D chip techniques is set up. The results indicate that the tendency of the calculated Q values matches the actual BER, and it's feasible and accurate to implement Q-factor on-line supervision in OSC of OTN.

Citation Download Citation

Yong Tang, Xiaohan Sun, Mingde Zhang, and Dong Ding "Novel on-line supervisory technique for Q-factor in the optical supervisory channel of optical transport network", Proc. SPIE 4604, Fiber Optic Components, Subsystems, and Systems for Telecommunications, (11 October 2001); https://doi.org/10.1117/12.444590

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