Detection of Fault ONUs in TDM-PON Using CDMA Modulation Scheme 


Vol. 33,  No. 1, pp. 1-6, Jan.  2008


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  Abstract

TDM-PON has a disadvantage that entire PON system gets into trouble when only one ONU is out of order and sends optical signal constantly. This paper suggests a scheme to find the fault location. TDMA is impossible when upstream traffic is interrupted by continuous wave signal from a troubled ONU. Therefore, CDMA coding is introduced in separating fault ONUs, and detection algorithm is verified.

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  Cite this article

[IEEE Style]

B. Choi, J. Park, J. Chung, Y. Park, "Detection of Fault ONUs in TDM-PON Using CDMA Modulation Scheme," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 1, pp. 1-6, 2008. DOI: .

[ACM Style]

Byungchul Choi, Jaeuk Park, Junhoi Chung, and Youngil Park. 2008. Detection of Fault ONUs in TDM-PON Using CDMA Modulation Scheme. The Journal of Korean Institute of Communications and Information Sciences, 33, 1, (2008), 1-6. DOI: .

[KICS Style]

Byungchul Choi, Jaeuk Park, Junhoi Chung, Youngil Park, "Detection of Fault ONUs in TDM-PON Using CDMA Modulation Scheme," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 1, pp. 1-6, 1. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880