A DSP-Based π/4-DQPSK Modem A Thesis submitted to the College of Graduate Studies and Research in Partial Fulfillment of the Requirements for the Degree of Master of Science in the Department of Electrical Engineering University of Saskatchewan Sask
A modem method known as p/4 offset, differentially encoded quadrature phase shift keying (p/4-DQPSK) has been adopted for the United States and Japanese digital cellular time division multiple access (TDMA) systems and Personal Communications System