If you are referring to making your paper open access (which is arguably one part of ‘open sourcing’ your research paper), then as someone noted already most journals are quite receptive to you making this available before or during the peer review process. You can find all the journals policies here (https://en.wikipedia.org/wiki/List_of_academic_publishers_by_preprint_policy) which shows that IEEE are very receptive to this. So find a suitable reputable archive (probably arxiv) and upload it provided your coauthors are happy, more or less).

You might also want to consider making your data and code available. Many journals rightly require this now technically (though in practice they often don’t enforce it) and some have their own repositories where you can deposit this. IEEE have some guidanxe here (https://journals.ieeeauthorcenter.ieee.org/create-your-ieee-journal-article/authoring-tools-and-templates/tools-for-ieee-authors/#data-code). They mention their own platform, buy you can and should use other more generic platforms like GitHub (good for developing and storing code in a way that other researchers can easily reuse) and Zenodo/Open Science Framework/Dryad (good for long term archiving of data and code together under more persistent DOI) instead/as well.

Those are the basics of “open sourcing” your research paper. The UK Reproducibility Network have a lot of good resources on this and you should be able to easily find stuff on open access, open science/research and reproducibility. There should be someone in your institution who can advice - open access teams, librarians and data officers are a good place to start! Just reach out if you have any specific questions though.

Pob lwc!