GMSK Demod: Difference between revisions

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[[Category:Block Docs]]
[[Category:Block Docs]]
[[Category:Stub Docs]]
Hierarchical block for Gaussian Minimum Shift Key (GMSK) demodulation.
This is the template for the [[:Category:Block_Docs|"Page-per-block Docs"]]. This first section should describe what the block does and how to use it, using however many paragraphs necessary.  Note that the title of the wiki page should match the block's name in GRC, i.e. the one defined in the block's .grc file.  Look at the [[FFT]] Block for a good example.
   
The input is the complex modulated signal at baseband.
   
The output is a stream of bits packed 1 bit per byte (the LSB)


As this is a basic template, it's also in the [[:Category:Stub_Docs|"Stub Docs category"]]. Please improve it.
== Parameters ==
 
; Samples/Symbol
: Samples per baud
 
; Gain Mu
: Controls rate of mu adjustment
; Mu
: Fractional delay [0.0, 1.0]


== Parameters ==
; Omega Relative Limit
(''R''): <span class="plainlinks">[https://wiki.gnuradio.org/index.php/GNURadioCompanion#Variable_Controls ''Run-time adjustable'']</span>
: Sets max variation in omega
 
; Freq Error
: Bit rate error as a fraction


; Param 1 (''R'')
; Verbose
: Description of parameter, provide any tips or recommended values.  Note that the name of the parameter above should match the param's label that shows up in grc (e.g. Sample Rate).
: Print information about modulator?


; Param 2
; Log
: blah blah blah
: Print modulation data to files?


== Example Flowgraph ==
== Example Flowgraph ==
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== Source Files ==
== Source Files ==


; C++ files
; Python files
: [https://github.com/gnuradio/gnuradio TODO]
: [https://github.com/gnuradio/gnuradio/blob/master/gr-digital/python/digital/gmsk.py]
 
; Header files
: [https://github.com/gnuradio/gnuradio TODO]
 
; Public header files
: [https://github.com/gnuradio/gnuradio TODO]


; Block definition
; Block definition
: [https://github.com/gnuradio/gnuradio TODO]
: [https://github.com/gnuradio/gnuradio/blob/master/gr-digital/grc/digital_gmsk_demod.block.yml]

Latest revision as of 17:08, 11 September 2019

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

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.

Source Files

Python files
[1]
Block definition
[2]
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