Frequency-hopped multilevel frequency shift keying spread spectrum for mobile radio communication systems (Ph.D. Thesis abstr.).

Rushdi H. Muammar Frequency-hopped multilevel frequency shift keying spread spectrum for mobile radio communication systems (Ph.D. Thesis abstr.). 631 1983 29 IEEE Transactions on Information Theory 4 db/journals/tit/tit29.html#Muammar83 http://dx.doi.org/10.1109/TIT.1983.1056689