ABSTRACT The performance of M-ary pulse position modulated (PPM) optical wireless communication (OWC) systems in atmospheric weak turbulence medium is evaluated by using adaptive optics corrections. Piston, tilt, defocus and coma components of adaptive optics corrections are applied to the avalanche photodetector (APD) type of receiver and the results are obtained depending on various turbulence and receiver parameters. The lognormal channel distribution is used to model the weak atmospheric turbulence conditions. Adaptive optics correction increases the bit-error-rate (BER) performance of an OWC system operating in atmospheric turbulence conditions. Piston component yields the highest BER performance, followed by the tilt, defocus and coma adaptive optics correction components respectively.

中文翻译：

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大气湍流中具有自适应光学校正的 M 元脉冲位置调制性能

摘要 通过使用自适应光学校正来评估 M-ary 脉冲位置调制 (PPM) 光无线通信 (OWC) 系统在大气弱湍流介质中的性能。自适应光学校正的活塞、倾斜、散焦和彗形分量应用于雪崩光电探测器 (APD) 类型的接收器，并根据各种湍流和接收器参数获得结果。对数正态通道分布用于模拟弱大气湍流条件。自适应光学校正提高了在大气湍流条件下运行的 OWC 系统的误码率 (BER) 性能。活塞组件产生最高的 BER 性能，其次是倾斜、散焦和彗形自适应光学校正组件。