Accurate BER estimation in simulation of DPSK systems with balanced receiver

Huijian Zhang; Jian Zhang; Bo Lei; Bin Hao; Wanyi Gu

doi:10.1117/12.636032

9 December 2005 Accurate BER estimation in simulation of DPSK systems with balanced receiver

Huijian Zhang, Jian Zhang, Bo Lei, Bin Hao, Wanyi Gu

Proceedings Volume 6021, Optical Transmission, Switching, and Subsystems III; 602128 (2005) https://doi.org/10.1117/12.636032
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

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.

Citation Download Citation

Huijian Zhang, Jian Zhang, Bo Lei, Bin Hao, and Wanyi Gu "Accurate BER estimation in simulation of DPSK systems with balanced receiver", Proc. SPIE 6021, Optical Transmission, Switching, and Subsystems III, 602128 (9 December 2005); https://doi.org/10.1117/12.636032

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