Minimum Shift Keying (MSK) - A Tutorial

Qasim Chaudhari
5 comments

Minimum Shift Keying (MSK) is one of the most spectrally efficient modulation schemes available. Due to its constant envelope, it is resilient to non-linear distortion and was therefore chosen as the modulation technique for the GSM cell phone...



Comments:

TTF
Said:
Hello, I wanted to understand some questions on MSK. In other sources it was said that Di,n are the even An and Dq,n are the odd An, e.g. https://en.wikipedia.org/wiki/Minimum-shift_keying, http://www.dsplog.com/2009/06/16/msk-transmitter-receiver/#respond, article "Minimum shift keying: A spectrally efficient modulation Subbarayan Pasupathy, IEEE Communications Magazine, July 1979". Why? And why you didn't shift the quadrature sequence on interval Tb? How you got the Di,n and Dq,n? Thanks in advance.
9 months ago
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frq789
Said:
Hi Qasim, Thanks very much for this article. The equations are not being displayed correctly in the PDF version.
Frq
7 months ago
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