modulation difference This topic has 0 replies, 1 voice, and was last updated 15 years, 10 months ago by Ramos. Viewing 1 post (of 1 total) Author Posts 25th June 2008 at 20:44 #52930 RamosGuest Hello, what is the main difference between CQPSK and QPSK ? And why this one is the most popular(except 16QAM) in microwave radios ? Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.