private frequency channel mode
... 号公共信道信令(common channel signalling No. 7) 专用信道方式(private frequency channel mode) 集群方式(trunked mode) ...
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该方式的基本思想是利用专用的窄带ALOHA预约信道进行预约;
The fundamental idea of the method is to use the private narrow band ALOHA channel or reservation.
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