5G enables connectivity of everything. Since it was put into commercial use four years ago, 5G has redefined communications for billions of individual users, tens of millions of households, and a myriad of industries. Having firmly established itself as the foundation for the digital economy, the large-scale commercialization of 5G networks in recent years has promoted the upgrade of new services and scenarios, which in turn, has posed higher requirements on the network. Mercifully, 5.5G...