With the start of 5G construction

4G investment and scale have also decreased. In order to make better use of limited investment and continue to do 4G wireless network coverage

it is necessary to choose a more economical and more effective construction method. Based on the current status of China Telecom and China Unicom’s 4G network construction

combined with the 5G network co-construction and sharing policy

this article analyzes and studies the 4G network co-construction and sharing strategy from multiple perspectives.