Core Viewpoint - The successful ground technology experiment for high-order high-rate star-ground communication has been conducted, achieving significant advancements in data transmission rates for satellite communication systems [1] Group 1: Experiment Details - The experiment was conducted by the Chinese Academy of Sciences' Aerospace Information Innovation Research Institute in collaboration with domestic technology companies [1] - The ground simulation of satellite data transmission achieved a maximum communication rate of 2100 Mbps at 128QAM in the X-band [1] - This represents a 75% increase in microwave communication rate, marking the highest single-channel star-ground communication rate in the domestic X-band [1]