AT&T begins DSS rollout, enabling some 5G phones to share 4G spectrum

Due to limited U.S. availability of empty mid band radio spectrum for 5G rollouts, dynamic spectrum sharing (DSS) has become a critical alternative, enabling carriers to split existing 4G spectrum into 4G and 5G segments. Today, AT&T announced that it is starting to use DSS in its cellular network, and though the initial footprint is […]