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研究了GSM-R语音组呼业务原理,并从4个方面详细地对2种信道分配方式进行研究和比较,这对于GSM-R网络中信道分配方式的选择具有重要的意义。
The principle of GSM-R voice group call service is studied, and two kinds of channel allocation modes are studied and compared in detail from four aspects. This is of great significance for the selection of channel allocation modes in GSM-R networks.