CAJ | 학술논문

总结了卫星通信协议GMR-1、DVB中的高阶调制技术，研究了16QAM、16APSK、32APSK调制原理，分析了卫星信道模型，利用Matlab分别搭建AWGN信道和Rician-K信道下各高阶调制信号的收发，得到不同的调制方式在不同信道或在不同衰落因子同一信道下的误码性能。本文的仿真结果对实际卫星通信系统采用高阶调制技术有着一定的借鉴意义。
총결료위성통신협의GMR-1、DVB중적고계조제기술，연구료16QAM、16APSK、32APSK조제원리，분석료위성신도모형，이용Matlab분별탑건AWGN신도화Rician-K신도하각고계조제신호적수발，득도불동적조제방식재불동신도혹재불동쇠락인자동일신도하적오마성능。본문적방진결과대실제위성통신계통채용고계조제기술유착일정적차감의의。
In this paper we sum up the high order modulation technology for the satellite communication protocol GMR-1 and DVB, study the principle of 16QAM, 16APSK, 32APSK modulation, analyze the satellite channel models, build AWGN channel and Rician-K channel by using Matlab that simulate the transceiver of these high order modulation signals and acquire different modulation error performance results under different channel environment, The simulation result has a certain significance on the actual satellite communication systems which adopt higher order modulation technology.