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Satellite-to-earth link impairment analysis in mobile TV broadcasting

机译:移动电视广播中的星地链路损伤分析

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The paper studies the physical-layer performance of the China Multimedia Mobile Broadcasting (CMMB) standard over the satellite-to-earth link, taking into account the real physical impairments existing in the transmitter and receiver. These impairments include phase noise, carrier frequency offset, nonlinearities, group delay, and channel estimation errors. This study provides a comprehensive performance evaluation and will benefit the real design and implementation. The simulation results confirm the significance of these impairments on the link analysis.
机译:本文考虑了发射器和接收器中存在的实际物理损伤,研究了中国多媒体移动广播(CMMB)标准在卫星到地球链路上的物理层性能。这些损害包括相位噪声,载波频率偏移,非线性,群时延和信道估计误差。这项研究提供了全面的性能评估,将有助于实际的设计和实现。仿真结果证实了这些损伤对链路分析的重要性。

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