无线网络-LTE (09) 通信过程之 Session Management -- Dedicated bearer activation
这个流程可以让手机取得所需的移动承载资源。1.IfdynamicPCCisdeployed,thePCRFsendsaPCCdecisionprovision(QoSpolicy)messagetothePDNGW. ThiscorrespondstotheinitialstepsofthePCRF-InitiatedIPCANSessionModificationprocedureortothe