URL：https://www.researchgate.net/profile/Khoirul-Anwar-2/publication/225773105/figure/fig5/AS:668744925855760@1536452623922/Symbol-labeling-patterns-for-EM-4-QAM-a-Gray-2-b-Non-Gray-2-c-EM-3-d-EM.png
掲載元：https://www.researchgate.net/figure/Symbol-labeling-patterns-for-EM-4-QAM-a-Gray-2-b-Non-Gray-2-c-EM-3-d-EM_fig5_225773105
