All-digitized Implementation of QAM Modulation and Demodulation
Fengyun Yu · Modern Electronic Technique · 2005
The paper deals with alldigitized modulation and demodulation that applys to digital microwave system,and points out differences in means of modulation and demodulation between 16QAM, 64QAM and 32QAM,128QAM according to the shape of constellation.We emulate the procession of alldigitized modulation and demodulation of 16QAM,32QAM,64QAM,128QAM. At last, the paper shows BER of 64QAM with Additive Gauss White Noises. The experiments shows that all digital QAM modulation and demodulation is easily implemented and has good capabilities.