6G satellite communication is establishing itself as a critical infrastructure that goes beyond being a simple communication technology to determine national security and industrial competitiveness. As preparations for an ultra-connected network linking ground and space are in full swing, Lee Moon-sik, head of the Satellite Communications Division at the Electronics and Telecommunications Research Institute (ETRI), delivered a keynote speech on the topic of '6G Satellite Communication Technology Trends and Prospects' at 'MATLAB EXPO 2026 Korea' held at Seoul COEX on the 7th, presenting a future communication vision that integrates ground and space.