With the construction of a large amount of high-speed railway

wireless network coverage along the highspeed railway is faced with many difficult problems.Considering the new requirements of the high speed rail network coverage

this article takes Hainan east ring high-speed rail GSM network coverage for the case

aims to overcome low percentage of successful connections and high drop-call problems in the train high-speed operation conditions

and puts forward Hainan east ring high-speed rail GSM private network coverage scheme

including the comparison of public network coverage and private network coverage

wireless base station construction principle

and the determination of the propagation model in different scenes.At the same time

the article puts forward the carrier frequency collocation principle of various private network areas.All the key technologies and guiding principles mentioned in this article have been applied in Hainan east ring high-speed private network coverage construction

and obvious results have been achieved.