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NS-3: LTE Downlink Scheduling Flow
Transcript of NS-3: LTE Downlink Scheduling Flow
Saulo da Mata
Let`s follow a brief description of a downlink scheduling flow, to understand how the FemtoForum MAC Scheduler Interface was implemented in NS-3...
LteHelper creates this instance of LteEnbPhy.
LteEnbPhy calls StartFrame method.
StartFrame calls StartSubFrame method.
StartSubFrame calls SubframeIndication method from class EnbMacMemberLteEnbPhySap.
SubframeIndication calls DoSubframeIndication method.
SchedDlConfigInd calls DoSchedDlConfigInd method.
DoSubframeIndication calls SchedDlTriggerReq method from class PfSchedulerMemberSchedSapProvider.
SchedDlTriggerReq calls DoSchedDlTriggerReq method.
The resource scheduling is performed in this method.
DoSchedDlTriggerReq calls SchedDlConfigInd method from class EnbMacMemberFfMacSchedSapUser.
DoSchedDlConfigInd calls SendLteControlMessage method from class EnbMemberLteEnbPhySapProvider.
SendLteControlMessage calls DoSendLteControlMessage method.
DoSendLteControlMessage calls SetControlMessage method.