GMSK Demod: Difference between revisions

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== Example Flowgraph ==
== Example Flowgraph ==


Insert description of flowgraph here, then show a screenshot of the flowgraph and the output if there is an interesting GUI. Currently we have no standard method of uploading the actual flowgraph to the wiki or git repo, unfortunately. The plan is to have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
This is an example flowgraph modified from https://github.com/gnuradio/gnuradio/blob/main/gr-channels/examples/demo_gmsk.grc to use a GMSK Demod block
[[File:GMSK_loopback.png]]


== Source Files ==
== Source Files ==

Latest revision as of 13:57, 15 April 2025

Hierarchical block for Gaussian Minimum Shift Key (GMSK) demodulation.

The input is the complex modulated signal at baseband.

The output is a stream of bits packed 1 bit per byte (the LSB)

Parameters

Samples/Symbol
Samples per baud
Gain Mu
Controls rate of mu adjustment
Mu
Fractional delay [0.0, 1.0]
Omega Relative Limit
Sets max variation in omega
Freq Error
Bit rate error as a fraction
Verbose
Print information about modulator?
Log
Print modulation data to files?

Example Flowgraph

This is an example flowgraph modified from https://github.com/gnuradio/gnuradio/blob/main/gr-channels/examples/demo_gmsk.grc to use a GMSK Demod block GMSK loopback.png

Source Files

Python files
[1]
Block definition
[2]
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