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Proceedings Paper

Accurate BER estimation in simulation of DPSK systems with balanced receiver
Author(s): Huijian Zhang; Jian Zhang; Bo Lei; Bin Hao; Wanyi Gu
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Paper Abstract

A comprehensive study of the noise characteristic in optical balanced receivers in differential phase shift keying (DPSK) systems is performed. The receiver model based on Karhunen-Loève (KL) transform which may include the main transmission impairments in WDM systems is proposed as well as the numerical computation techniques for bit error ratio (BER) assessment. The statistics of the decision current is obtained which shows exact agreement with that of Monte-Carlo simulation, so the analytical result is reliable for accurate estimation of BER. After validated by the time consuming Monte-Carlo error count, the proposed model is adopted in a back-to-back simulation and the 3 dB advantage of DPSK over traditional on-off keying (OOK) is clearly verified.

Paper Details

Date Published: 9 December 2005
PDF: 9 pages
Proc. SPIE 6021, Optical Transmission, Switching, and Subsystems III, 602128 (9 December 2005);
Show Author Affiliations
Huijian Zhang, Beijing Univ. of Posts and Telecommunications (China)
Jian Zhang, Beijing Univ. of Posts and Telecommunications (China)
Bo Lei, Beijing Univ. of Posts and Telecommunications (China)
Bin Hao, Beijing Univ. of Posts and Telecommunications (China)
Wanyi Gu, Beijing Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 6021:
Optical Transmission, Switching, and Subsystems III
Rodney S. Tucker; Dominique Chiaroni; Wanyi Gu; Ken-ichi Kitayama, Editor(s)

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