Effect of strong atmospheric non-Kolmogorov turbulence on the M-ary PSK subcarrier intensity modulated free space optical communications system performance

被引：9

作者：

Ata, Yalcin ^{[1
]}

Baykal, Yahya ^{[2
]}

Gokce, Muhsin C. ^{[3
]}

机构：

[1] TUBITAK Def Ind Res & Dev Inst SAGE, PK 16, TR-06261 Ankara, Turkey

[2] Cankaya Univ, Dept Elect Elect Engn, Yukariyurtcu Mah Mimar Sinan Cad 4, TR-06790 Ankara, Turkey

[3] TED Univ, Dept Elect & Elect Engn, Ziya Gokalp Cad 47-48, TR-06420 Ankara, Turkey

来源：

APPLIED OPTICS | 2019年 / 58卷 / 13期

关键词：

SCINTILLATION INDEX; GAUSSIAN-BEAM; AVERAGE INTENSITY; ERROR PERFORMANCE; BER; WAVE; TRANSMITTANCE; DIVERSITY;

D O I：

10.1364/AO.58.003639

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Atmospheric turbulence is one of the significant phenomena that degrades the free space optical (FSO) communications system performance, and thus designers need to define the requirements related to turbulence and optimize the system design to ensure optimum performance. The subcarrier intensity modulation (SIM) shows superiority in terms of bandwidth usage over the other modulation techniques. Performance of FSO communication systems exercising M-ary phase-shift-keying (PSK) SIM with the PIN photodiode receiver is evaluated in non-Kolmogorov strong atmospheric turbulence when a Gaussian beam is used as the excitation. Bit-error-rate (BER) of PSK SIM FSO communication systems is examined, and the results are presented versus the non-Kolmogorov atmospheric turbulence and positive-intrinsic-negative (PIN) photodetector parameters such as PIN photodetector responsivity, equivalent load resistor, modulation order, noise factor, bandwidth, propagation distance, and beam source size. (C) 2019 Optical Society of America

引用

页码：3639 / 3645

页数：7

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