Can anyone with a better understand than mine compare this experience to the one brought up by a Chinese team in nature in 2017[1]? I know close to nothing abo

Can anyone with a better understand than mine compare this experience to the one brought up by a Chinese team in nature in 2017[1]? I know close to nothing about this domain but these two experiments sounds very similar except for the setup (fiber vs. communication with satellite). [1] https://www.nature.com/articles/nature23675 https://www.nature.com/articles/nature23675