# How to Use GFDM

**URL:** <https://vccsforum.nt.tuwien.ac.at/t/how-to-use-gfdm/101>\
**Category:** Vienna 5G Link Level Simulator\
**Created:** [May 26, 2022, 7:05am UTC](https://vccsforum.nt.tuwien.ac.at/t/how-to-use-gfdm/101 "2022-05-26T07:05:33Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![dkray](https://vccsforum.nt.tuwien.ac.at/letter_avatar_proxy/v4/letter/d/c2a13f/32.png) [@dkray](https://vccsforum.nt.tuwien.ac.at/u/dkray)\
**Post date:** [May 26, 2022, 7:05am UTC](https://vccsforum.nt.tuwien.ac.at/t/how-to-use-gfdm/101/1 "2022-05-26T07:05:33Z")

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GFDM is there in the Modulation folder, but every time i use it shows error. it cant be used then why its there in the first place.?

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**Author:** ![Mariam](https://vccsforum.nt.tuwien.ac.at/letter_avatar_proxy/v4/letter/m/b9e5f3/32.png) [@Mariam](https://vccsforum.nt.tuwien.ac.at/u/Mariam)\
**Post date:** [May 31, 2022, 7:32am UTC](https://vccsforum.nt.tuwien.ac.at/t/how-to-use-gfdm/101/2 "2022-05-31T07:32:46Z")

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Hi,

GFDM is not supposed to be part of the release (see [list of features](https://www.nt.tuwien.ac.at/wp-content/uploads/2020/07/listOfFeatures.pdf)). It should have been removed during the cleanup.

Best,  
Mariam

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**Author:** ![Serwan](https://vccsforum.nt.tuwien.ac.at/letter_avatar_proxy/v4/letter/s/e19b73/32.png) [@Serwan](https://vccsforum.nt.tuwien.ac.at/u/Serwan)\
**Post date:** [October 1, 2022, 8:38am UTC](https://vccsforum.nt.tuwien.ac.at/t/how-to-use-gfdm/101/3 "2022-10-01T08:38:36Z")

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Hi Mariam  
I have the GFDM file in Vienna 5G Link Level Simulator V1.1 in the folder of +Modulation  
So, does it not work, or is it just not included in the examples?

Best regards

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**Author:** ![Mariam](https://vccsforum.nt.tuwien.ac.at/letter_avatar_proxy/v4/letter/m/b9e5f3/32.png) [@Mariam](https://vccsforum.nt.tuwien.ac.at/u/Mariam)\
**Post date:** [October 3, 2022, 8:21am UTC](https://vccsforum.nt.tuwien.ac.at/t/how-to-use-gfdm/101/4 "2022-10-03T08:21:51Z")

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Hi Serwan,

GFDM does not work.

Best,  
Mariam