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首页> 外文期刊>Hormone molecular biology and clinical investigation. >Empirical Evaluation of 4 QAM and 4 PSK in OFDM-based Inter-Satellite Communication System
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Empirical Evaluation of 4 QAM and 4 PSK in OFDM-based Inter-Satellite Communication System

机译:实证评估4 QAM和相移键控OFDM-based Inter-Satellite通信系统

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摘要

Inter-satellite communication is a free-space optical technology which is used to establish communication between satellites in space. This work is focused on the transmission of 10 Gbps data over 4,000 km inter-satellite communication link by incorporating orthogonal frequency division multiplexing scheme. Moreover, a comparison of 4 quadrature amplitude modulation and 4 phase shift key encoding scheme is also presented in this work. The performance of proposed system is evaluated in terms of signal-to-noise ratio, total received power, radio-frequency spectrum and constellation diagrams.
机译:Inter-satellite通信是无线光学技术,用于建立在太空卫星之间的通信。工作重点是10 Gbps的传播数据超过4000公里inter-satellite沟通链接将正交频率分复用方案。比较4正交调幅和4相移编码方案也是关键提出了工作。所提出的系统的评估信噪比,总接收功率,射频频谱和星座图。

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