Title :
Visualization of 4D Q2PSK and CEQ2PSK in ideal bandlimited channels
Author :
Quinteros, Milton I. ; Kaminsky, Edit J. ; Cartwright, Kenneth V.
Author_Institution :
Dept. of Electr. Eng., Univ. of New Orleans, New Orleans, LA, USA
Abstract :
This paper presents new visualization techniques for 4D Quadrature-Quadrature Phase Shift Keying (Q2PSK), Saha´s Constant Envelope (CE) Q2PSK, and Cartwright´s CEQ2PSK in ideal bandlimited channels. The signal diagrams analyzed are: time-signal eye patterns for 4D passband signals, 2D complex trajectory diagrams of baseband signals, and time-signal eye patterns for the 1D outputs of the baseband matched filter. These methods may be applied to other multidimensional modulation systems to obtain insight into the effects of noise, interference, and channel filtering.
Keywords :
filtering theory; frequency shift keying; interference (signal); matched filters; 2D complex trajectory diagrams; 4D QPSK; 4D passband signals; 4d quadrature-quadrature phase shift keying; Cartwright CEQ2PSK; Saha constant envelope QPSK; baseband matched filter; baseband signals; channel filtering; multidimensional modulation systems; signal diagrams; time-signal eye patterns; Baseband; Conferences; Impedance matching; Passband; Pattern matching; Trajectory; Visualization; CEQ2PSK; Q2PSK; bandlimited channel; constant envelope; eye diagram; signal trajectory diagram; visualization;
Conference_Titel :
Wireless Communications and Networking Conference (WCNC), 2015 IEEE
Conference_Location :
New Orleans, LA
DOI :
10.1109/WCNC.2015.7127518
