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卫星“上车”,车联网如何向“天”突围?
3 6 Ke· 2025-06-17 10:41
Group 1 - Approximately 2.6 billion people globally lack internet access, representing 32% of the world's population, with ground networks covering only about 10% of the Earth's surface [1] - The traditional mobile communication networks primarily refer to the public mobile networks used daily [2] Group 2 - The automotive sector requires real-time environmental information and stable data exchange with cloud services, other vehicles, and infrastructure, necessitating a new network solution to ensure continuous connectivity [3] - Current mobile networks have limited coverage in remote areas, highlighting the need for satellite communication to support the future of vehicle networking [4] Group 3 - A recent collaboration between Galaxy Space and the Hong Kong Applied Science and Technology Research Institute successfully tested low Earth orbit satellite internet for connected autonomous driving systems, demonstrating the integration of satellite communication with autonomous vehicles [5][6] - Satellite internet, particularly low Earth orbit satellite systems, can provide global coverage and solve connectivity issues in hard-to-reach areas [10][12] Group 4 - The evolution of satellite internet represents a significant shift in network development, moving towards a "Heaven and Earth" integrated network model, which is crucial for the future of communication technology [14][17] - The integration of satellite internet with existing 5G networks can enhance coverage and performance, addressing the limitations of current mobile communication technologies [15][18] Group 5 - The transition from PC5 to a hybrid network model combining 5G, satellite internet, and direct vehicle-to-vehicle communication is seen as a more effective solution for the vehicle networking ecosystem [22][26] - The cost of deploying 5G macro base stations is prohibitively high, with estimates suggesting that achieving global coverage would require over 1.6 trillion yuan in investment [25] Group 6 - The strategic importance of satellite internet in the global communication landscape is underscored by national initiatives to develop satellite networks, with significant progress in China's satellite internet projects [27][29] - Major automotive companies like Tesla, Geely, and BYD are actively pursuing satellite communication capabilities to enhance their vehicles' connectivity and positioning accuracy [30][31] Group 7 - The evolution of vehicle networking technology is fundamentally a competition between cost and scale, with satellite internet poised to break the physical limitations of ground networks and facilitate large-scale commercial deployment [32]