TY - JOUR T1 - Editorial: Signal Processing for Beyond 5G Non-Terrestrial Networks JF - Frontiers in Space Technologies Y1 - 2021 A1 - Carlos Mosquera A1 - Pantelis-Daniel Arapoglou VL - 2 UR - https://www.frontiersin.org/articles/10.3389/frspt.2021.780171/full ER -