Nice and non-hyped compilation of 5G features. Yet, given the title, I need to nit-pick that the article solely focuses on the radio layer. There's a whole lot

Nice and non-hyped compilation of 5G features. Yet, given the title, I need to nit-pick that the article solely focuses on the radio layer. There's a whole lot of other challenges arising in the core-network. I wish the article went on in the same style, covering these challenges, too.