赛迪顾问：“新基建”之中国卫星互联网产业发展研究白皮书

Core Viewpoint - The "New Infrastructure" initiative in China emphasizes the development of the satellite internet industry, which is seen as a strategic engineering project that integrates space and ground communication systems, providing broad coverage and low-cost internet access globally [1][2]. Group 1: Concept and Characteristics - Satellite internet is defined as an internet service based on satellite communication, utilizing a network of satellites to provide broadband access to ground and aerial terminals, characterized by wide coverage, low latency, broadband capabilities, and cost-effectiveness [1][6]. - The industry is transitioning into a broadband internet era, complementing terrestrial communication systems through cooperative development [6][9]. Group 2: Industry Development Status - The global satellite industry generated a total revenue of $286 billion in 2019, with a year-on-year growth of 3.20%. The satellite service and ground equipment manufacturing sectors accounted for 90.70% of this revenue [21][28]. - Major international players like OneWeb and SpaceX have launched satellite internet plans, with SpaceX's Starlink deploying nearly 360 satellites [21][24]. Group 3: Industry Chain Analysis - The satellite internet industry chain consists of four main segments: satellite manufacturing, launching, ground equipment, and operational services. Current focus is on infrastructure construction in both space and ground segments [32][39]. - The manufacturing segment is evolving towards high-throughput satellites, with advancements in multi-beam phased array antennas and other technologies [39][40]. Group 4: Strategic Significance and Application Prospects - The construction of satellite internet has become a national strategic project in China, addressing communication challenges in remote areas, maritime operations, and emergency response [2][6]. - Key application scenarios include communication in remote regions, broadband for marine and scientific research, aviation broadband, and disaster emergency communication [2][6]. Group 5: Development Trends and Recommendations - Future trends indicate a shift towards high-frequency communication satellites to meet increasing bandwidth demands, alongside the establishment of a secure integrated network [2][6]. - Recommendations for government support in top-level design and for enterprises to accelerate deployment and technology transformation are emphasized, with investment institutions encouraged to focus on core segments of the entire industry chain [6][39].