Group 1: New Infrastructure Development - The chairman of China Tower, Zhang Zhiyong, emphasized the need for systematic and forward-looking planning for new information infrastructure in coastal areas to support marine economic development [2] - Current shortcomings in the new information infrastructure for building a strong marine nation include inadequate marine communication coverage and a lack of a comprehensive perception system [2] - Zhang suggested an integrated communication network construction plan that covers "air, land, sea" with goals of "full coverage, seamless connection, safety, and demand-based scheduling" [2] Group 2: Smart Infrastructure in Old Residential Areas - In the renovation of old residential areas, there is a need for high-standard, sustainable smart infrastructure to address issues like weak signal coverage in complex building structures [3] - Zhang proposed that relevant departments increase financial support and prioritize communication coverage facilities in key areas such as elevators and underground parking lots during renovations [3] - The suggestion includes a demand-oriented approach to promote comprehensive coverage of smart infrastructure and enhance smart service scenarios to create "safe, intelligent, and livable" communities [3]