Constellations Archives - GaussianWaves https://www.gaussianwaves.com/category/constellations/ Signal Processing for Communication Systems Wed, 12 Aug 2020 08:02:22 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.2 https://i0.wp.com/www.gaussianwaves.com/gaussianwaves/wp-content/uploads/2016/02/cropped-gaussianwaves_logo_120_120.png?fit=32%2C32&ssl=1 Constellations Archives - GaussianWaves https://www.gaussianwaves.com/category/constellations/ 32 32 163393712 Constellation diagram – investigate phase transitions https://www.gaussianwaves.com/2020/06/constellation-diagram-investigate-phase-transitions/ https://www.gaussianwaves.com/2020/06/constellation-diagram-investigate-phase-transitions/#comments Sun, 28 Jun 2020 12:15:57 +0000 https://www.gaussianwaves.com/?p=24087 The phase transition properties of the different variants of QPSK schemes and MSK, are easily investigated using constellation diagram. Let’s demonstrate how to plot the signal space constellations, for the various modulations used in the transmitter. Typically, in practical applications, the baseband modulated waveforms are passed through a pulse shaping filter for combating the phenomenon ... Read more

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]]> https://www.gaussianwaves.com/2020/06/constellation-diagram-investigate-phase-transitions/feed/ 4 24087 QAM modulation: simulate in Matlab & Python https://www.gaussianwaves.com/2012/10/qam-modulation-simulation-matlab-python/ https://www.gaussianwaves.com/2012/10/qam-modulation-simulation-matlab-python/#comments Wed, 10 Oct 2012 14:37:19 +0000 http://www.gaussianwaves.com/?p=2428 A generic complex baseband simulation technique, to simulate all M-ary QAM modulation techniques is given here. The given simulation code is very generic, and it plots both simulated and theoretical symbol error rates for all M-QAM modulation techniques. Rectangular QAM from PAM constellation There exist other constellation shapes (like circular, triangular constellations) that are more ... Read more

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