铁路GSM-R移动通信系统容量设计

Capacity design of GSM-R mobile communication system of railway

为了准确设计铁路GSM-R移动通信系统容量,选择合适的设备载频数量,本文通过详细分析GSM-R系统各业务种类,列出了不同话音业务的话务量计算方式及各类数据业务所占信道数量,结合相关经验参数取值,得出了系统容量的计算方法,并在列车时速、列车发车间隔等相应前提下根据计算方法对不同铁路场景下设备载频数量分别进行了计算,得知车站及编组场基站加载3各载频、区间基站加载2个载频可满足用户需求,本计算方法也为其他类型铁路GSM-R系统容量设计提供参考。

In order to the accurate capacity design of GSM-R-mobile communication system of railway, and selecting the number of suitable equipment carrier,though analysising detailly the business type of GSM-R system, lists the computing of traffic for different voice business and the number of channels of All kinds of data business, combined with the parameters relevant experience, the calculation method is obtained. And the conditions of corresponding train speed and interval, according to the calculation method,the number of equipment carrier frequency is calculated in different railway scene,as a result we know that loading 3 carrier frequency for BTS of station and marshalling yard and loading 2 carrier frequency for BTS of interval can meet the needs of users. This method also provides the reference for capacity design of GSM-R mobile communication system of other types railway.