What type of communication is used in railways?

hi ppl ! jus want to know the type of communication system used by the railways. . . i mean, the driver is able to contact the next station constantly but mobile phone users suffer tower prob on the go and find it very difficult to make a call. if they both emply RF waves, what is the difference ?What type of communication is used in railways?
i know the engineer has at least analog channels in the 160.s and i dont if it is digital but the maintance can reach a very long way.

im not sure of the tech difference but i think the more critical info is digital or phone.What type of communication is used in railways?
There's a few things happening here.

Don't compare cell phone users to commercial radio installations. They are different animals. (Better performing cell phones help overcome the problems.) Cell phones talk to the nearest cell site, that's how the system is designed to work. When a person travels out of one site and into the next the one cell drops and the next picks up. If the person travels quickly the system sometimes cannot determine which cell you are in quickly enough and calls get dropped. Metal structures block radio signals. So a passenger inside a metal rail car will have difficulty getting reliable signals.



The radios used by the railway are much higher power, with antennas mounted on top the train. They cover much greater distances than a cell phone.



Beyond that there are sensors along the railway that trigger switching equipment. This equipment is connected with a sort of telephone circuit to monitoring facilities. The status of the sensors and switches can be monitored at centralized locations.What type of communication is used in railways?
Radio...
they use walkie talkie