TRAIN-GROUND WIRELESS COMMUNICATION SYSTEM FOR RAIL TRANSPORTATION AND HANDOVER METHOD BETWEEN BASE STATIONS THEREOF

摘要

A train-ground wireless communication system for rail transportation is provided, and the system includes a vehicle part and a ground part between which wireless communication is implemented; the ground part includes a Mobile service Switching Centre (MSC) and a plurality of zone Base Station Controllers (BSCs); every zone BSC includes a Base Station Controller for loop A (BSC A) and a Base Station Controller for loop B (BSC B), and the zones of the BSC A and the BSC B are arranged mutual-redundantly; the BSC A controls a plurality of fixed Base Transceiver Stations for loop A (BTSs A) via an optical network, and the BSC B controls a plurality of fixed Base Transceiver Stations for loop B (BTSs B) via the optical network; the BTS As and BTS Bs are arranged in a interleaving comb-shape. A handover method between BTSs controlled by BSCs for the same loop is disclosed in the present invention as well. With the present invention, the accuracy of the handover between base stations is improved, and the unnecessary handover is avoided.