This paper first introduces the TD-LTE network optimization problems

with the correlation on the key parameters and download rate based on mass data were analyzed. At the same time

this paper provides the optimization suggestion in some aspects which site selection

network planning and neighbors setting based on the TD-LTE network optimization problems. Moreover

the high-speed railway CSFB optimized neighbor set are summarized and proposed to enhance the precision of fallback strategy. Finally

cover the proposed two kinds of coverage model of high-speed rail prospect future

the paper points out that the technology of carrier aggregation distribution system will provide better service for experience of terminal users.