Core Viewpoint - The North Sea Navigation Guarantee Center, in collaboration with various maritime authorities, has developed a comprehensive communication perception coverage plan for the Bohai Sea, aiming for full implementation by the end of 2026 [1][3]. Group 1: Project Overview - The Bohai Sea is characterized by high vessel density, complex navigation routes, and significant traffic safety risks, making it a critical area for maritime management and technical support [3]. - The communication perception coverage plan aims to integrate various data sources, including high-frequency communication, vessel automatic identification systems, and 5G networks, to enhance real-time monitoring of maritime activities and environmental conditions [3][4]. Group 2: Implementation Details - The plan includes the construction of 48 offshore 5G base stations and 8 comprehensive navigation support platforms, leveraging offshore oil platforms as infrastructure [4]. - The first multi-mode 5G base station has been successfully constructed on an oil platform, located approximately 25 nautical miles (45 kilometers) from the nearest land, enabling various data communication services [4].