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首页> 外文期刊>Optical and quantum electronics >Modeling and performance investigation of 4 × 20 Gbps underwater optical wireless communication link incorporating space division multiplexing of Hermite Gaussian modes
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Modeling and performance investigation of 4 × 20 Gbps underwater optical wireless communication link incorporating space division multiplexing of Hermite Gaussian modes

机译:4×20 Gbps水下光无线通信链路的建模与性能调查包含Hermite高斯模式的空间分割复用

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摘要

In this work, we report the development of long-haul high-speed underwater optical wireless communication (UOWC) transmission link by incorporating space division multiplexing (SDM) of distinct Hermite Gaussian (HG) modes for enhanced channel-capacity. Four distinct 20 Gbps non-return to zero encoded information signals are transmitted over distinct HG modes of a single wavelength laser at 1800 m underwater link range to realize an 80 Gbps UOWC system. Also, we investigate the performance of the proposed UOWC transmission link under the influence of different operating wavelengths, aperture diameter, attenuation coefficient, and link range. Further, we optimize the proposed UOWC link performance in terms of spatial aperture to stabilize the bit-error rate (BER) performance of the link at high signal attenuation values and varying transmission link reach.
机译:在这项工作中,我们通过结合具有增强的信道容量的不同Hermite高斯(HG)模式的空分复用(SDM)来报告长途高速水下光无线通信(UOWC)传输链路的开发。在1800米的水下链路范围内通过单个波长激光器的不同HG模式传输四个不同的20Gbps未返回到零编码信息信号,以实现80 Gbps uowc系统。此外,我们研究了所提出的uowc传输链路在不同工作波长,孔径,衰减系数和链路范围内的影响下的性能。此外,我们在空间孔径方面优化所提出的UOWC链路性能,以在高信号衰减值下稳定链路的误码率(BER)性能和变化的传输链路覆盖范围。

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