Symbol error rate performance analysis of soft-decision decoded MPPM free space optical system over exponentiated Weibull fading channels

Duan Zhou; Tian Cao; Yintang Yang; Jianxian Zhang; Ping Wang; Bensheng Yang

doi:10.3788/COL201715.050602

Journals >Chinese Optics Letters >Volume 15 >Issue 5 >Page 050602 > Article

Chinese Optics Letters
Vol. 15, Issue 5, 050602 (2017)

Symbol error rate performance analysis of soft-decision decoded MPPM free space optical system over exponentiated Weibull fading channels

Duan Zhou¹, Tian Cao^2、3、*, Yintang Yang⁴, Jianxian Zhang¹, Ping Wang^2、5, and Bensheng Yang²

Author Affiliations

¹School of Computer Science and Technology, Xidian University, Xi’an 710071, China

²State Key Laboratory of Integrated Service Networks, School of Telecommunications Engineering, Xidian University, Xi’an 710071, China

³Southwest China Research Institute of Electronic Equipment, Chengdu 610036, China

⁴Key Laboratory of the Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices, School of Microelectronics, Xidian University, Xi’an 710071, China

⁵School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China

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DOI: 10.3788/COL201715.050602 Cite this Article Set citation alerts

Duan Zhou, Tian Cao, Yintang Yang, Jianxian Zhang, Ping Wang, Bensheng Yang. Symbol error rate performance analysis of soft-decision decoded MPPM free space optical system over exponentiated Weibull fading channels[J]. Chinese Optics Letters, 2017, 15(5): 050602 Copy Citation Text

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Abstract

The symbol error rate (SER) performance of a multipulse pulse-position modulation (MPPM) free space optical (FSO) system under the combined effect of turbulence-induced fading modeled by exponentiated Weibull (EW) distribution and pointing errors with a soft-decision detector is investigated systematically. Particularly, the theoretical conditional SER (CSER) of soft-decision decoded MPPM is derived. The corresponding closed-form CSER is obtained via curve fitting with the Levenberg–Marquardt method. The analytical SER expression over the aggregated fading channels is then achieved in terms of Laguerre integration. Monte Carlo simulation results are also offered to corroborate the validity of the proposed SER model.

f_{n} (x) = (1 / \sqrt{2 π} σ_{n}) \exp (- x^{2} / 2 σ_{n}^{2}) .

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