PERFORMANCE EVALUATION OF INTER-SATELLITE OPTICAL WIRELESS SYSTEM ON NON-GEOSTATIONARY ORBIT USING DIFFERENT QAM TECHNIQUES WITH DSP
Keywords:
QAM, IsOWC, DSP, Matched filter, BERAbstract
Information transmission channels are essential for global coverage in space communication. Since radio frequency (RF) communication has been shown to have a significant latency and low data transmission rates, inter-satellite communication has grown in popularity recently and optical wireless communication has made significant strides. Inter Satellite Optical wireless Communication (IsOWC) technology is gaining popularity among academics due to its many benefits, including huge channel bandwidth, high-speed connection, and cost-effective operations. High speed inter-satellite communication cannot be conducted using uniphase modulations like NRZ modulation. With the aid of a matching filter and DSP, PDM 512 QAM at 160 Gbps is shown for conducted study. At wavelengths of 850 nm, the proposed work is explored for PDM 512 QAM, and the results are assessed with consideration of the quality factor, symbol error rate, and error vector magnitude.
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