https://www.mathworks.com/help/comm/ref/mskmod.html
mskmod - Minimum shift keying modulation - MATLAB
This MATLAB function applies differentially encoded minimum shift keying (MSK) modulation to the input data, X, and returns the modulated MSK baseband signal.
minimum shift keyingmodulationmatlab
https://www.mathworks.com/help/comm/ref/mskmodulatorbaseband.html
MSK Modulator Baseband - Modulate using differentially encoded minimum shift keying method -...
The MSK Modulator Baseband block modulates using the differentially encoded minimum shift keying method.
minimum shift keyingmskmodulatorbasebandmodulate
https://www.mathworks.com/help/comm/ref/gmskdemodulatorbaseband.html
GMSK Demodulator Baseband - Demodulate signal using Gaussian minimum shift keying method and...
The GMSK Demodulator Baseband block demodulates an input signal that was modulated using the Gaussian minimum shift keying (GMSK) method.
gaussian minimum shift keying