Swedish microwave days 2023 special issue

This special issue of the International Journal of Microwave and Wireless Technologies (IJMWT) presents the extended papers for selected conference presentations held during the 2023 edition of the Swedish Microwave Days, hosted at the KTH Royal Institute of Technology in Stockholm, Sweden.This conference was held from the 23rd to the 25th of May in 2023, with Prof. Oscar Quevedo-Teruel acting as the conference general chair.The Swedish Microwave Days is an event that aims to highlight technological and theoretical advances in microwave and antenna research primarily conducted in Sweden, however research conducted internationally is also very much so welcomed.In this edition of the conference there were over 200 attendees from both industry and academia, attending approximately 180 presentations across 39 parallel sessions.The work presented in this journal addition underwent a selection process, with the highest ranking abstracts receiving an invite for an extended paper.