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NR-enabled schedulers module. More...

Collaboration diagram for g-Node-B scheduler classes:

Classes
struct	ns3::HarqProcess
	The HarqProcess struct. More...

class	ns3::NrMacCschedSapProvider
	Provides the CSCHED SAP. More...

class	ns3::NrMacHarqVector
	Data structure to save all the HARQ process of an UE. More...

class	ns3::NrMacSchedSapProvider
	The SAP interface between MAC and scheduler. More...

class	ns3::NrMacSchedSapUser
	The Interface between Scheduler and MAC. More...

class	ns3::NrMacScheduler
	Interface for all the nr schedulers. More...

class	ns3::NrMacSchedulerCQIManagement
	CQI management for schedulers. More...

class	ns3::NrMacSchedulerHarqRr
	Schedule the HARQ retransmission. More...

class	ns3::NrMacSchedulerLC
	Represent a DL Logical Channel of an UE. More...

class	ns3::NrMacSchedulerLcAlgorithm
	This class is the interface for the creation of various scheduling algorithms for the distribution of the assigned bytes to the different LCGs/LCs of a UE. More...

class	ns3::NrMacSchedulerLCG
	Represent an UE LCG (can be DL or UL) More...

class	ns3::NrMacSchedulerLcQos
	Algorithm for distributing the assigned bytes to the different LCGs/LCs of a UE based on the resource type and the ERAB guaranteed bit rate. More...

class	ns3::NrMacSchedulerLcRR
	Default algorithm for distributing the assigned bytes to the different LCGs/LCs of a UE in a Round Robin fashion. More...

class	ns3::NrMacSchedulerNs3
	A general scheduler for nr in NS3. More...

class	ns3::NrMacSchedulerOfdma
	The base for all the OFDMA schedulers. More...

class	ns3::NrMacSchedulerOfdmaAi
	The OFDMA scheduler with AI implementation. More...

class	ns3::NrMacSchedulerOfdmaMR
	Assign frequencies in a maximum-rate fashion. More...

class	ns3::NrMacSchedulerOfdmaPF
	Assign frequencies in a proportional fair fashion. More...

class	ns3::NrMacSchedulerOfdmaQos
	Assign frequencies in QoS-based fashion. More...

class	ns3::NrMacSchedulerOfdmaRR
	Assign frequencies in a round-robin fashion. More...

class	ns3::NrMacSchedulerOfdmaSymbolPerBeam
	The base for all the OFDMA symbols-per-beam schedulers. More...

class	ns3::NrMacSchedulerSrs
	MAC scheduler SRS interface. More...

class	ns3::NrMacSchedulerTdma
	The base for all the TDMA schedulers. More...

class	ns3::NrMacSchedulerTdmaAi
	The TDMA scheduler with AI implementation. More...

class	ns3::NrMacSchedulerTdmaMR
	Assign entire symbols in a maximum-rate fashion. More...

class	ns3::NrMacSchedulerTdmaPF
	Assign entire symbols in a proportional fair fashion. More...

class	ns3::NrMacSchedulerTdmaQos
	Assign entire symbols in a QoS-based fashion. More...

class	ns3::NrMacSchedulerUeInfo
	The representation of an user for any Mac scheduler. More...

class	ns3::NrMacSchedulerUeInfoAi
	UE representation for a AI-based scheduler. More...

class	ns3::NrMacSchedulerUeInfoMR
	UE representation for a maximum rate scheduler. More...

class	ns3::NrMacSchedulerUeInfoPF
	UE representation for a proportional fair scheduler. More...

class	ns3::NrMacSchedulerUeInfoQos
	UE representation for a QoS-based scheduler. More...

class	ns3::NrMacSchedulerUeInfoRR
	UE representation for a round-robin scheduler. More...

Typedefs
typedef std::unique_ptr< NrMacSchedulerLCG >	ns3::LCGPtr
	LCGPtr unique pointer to a LCG.

typedef std::unique_ptr< NrMacSchedulerLC >	ns3::LCPtr
	Unique pointer to an instance of NrMacSchedulerLC.

Detailed Description

NR-enabled schedulers module.

This group contains the copy of FAPI documentation that was included in the original "LTE MAC Scheduler Interface v1.11" document by FemtoForum (Document number: FF_Tech_001_v1.11 , Date issued: 12-10-2010, Document status: Document for public distribution).

Description of the module

This group specifies the MAC Scheduler interface and their implementation. The goal of this interface specification is to allow the use of a wide range of schedulers which can be plugged into the eNodeB and to allow for standardized interference coordination interface to the scheduler.

Not only the interface between the MAC and the scheduler is standardized, but also the internals of the scheduler. The objective is to be able to write new kind of schedulers with minimum efforts and the minimum amount of code, re-using existing classes and methods.

FAPI interface overview

The MAC scheduler is part of MAC from a logical view and the MAC scheduler should be independent from the PHY interface.

The description in this interface does not foresee any specific implementation of the interface. What is specified in the FAPI document is the structure of the parameters. In order to describe the interface in detail the following model is used:

The interface is defined as a service access point offered by the MAC scheduler to the remaining MAC functionality, as shown in Figure 1.
A _REQ primitive is from MAC to the MAC scheduler.
A _IND/_CNF primitives are from the MAC scheduler to the MAC.

The description using primitives does not foresee any specific implementation and is used for illustration purposes. Therefore an implementation could be message-based or function-based interface. Timing constrains applicable to the MAC scheduler are not yet specified.

For the MAC scheduler interface specification a push-based concept is employed, that is all parameters needed by the scheduler are passed to the scheduler at specific times rather than using a pull-based concept (i.e. fetching the parameters from different places as needed). The parameters specified are as far as possible aligned with the 3GPP specifications.

[Figure 1]

Figure 1 shows the functionality split between the MAC scheduler and the remaining MAC. For the purposes of describing the MAC scheduler interface the MAC consists of a control block and a subframe block, which uses the CSCHED and SCHED SAP respectively. The subframe block triggers the MAC scheduler every TTI and receives the scheduler results. The control block forwards control information to the MAC scheduler as necessary.

Note: CTTC implementation The documentation of the implementation starts with class NrMacScheduler. Please start your journey into the scheduler documentation from there.

Typedef Documentation

◆ LCGPtr

typedef std::unique_ptr<NrMacSchedulerLCG> ns3::LCGPtr

LCGPtr unique pointer to a LCG.

Definition at line 214 of file nr-mac-scheduler-lcg.h.

◆ LCPtr

typedef std::unique_ptr<NrMacSchedulerLC> ns3::LCPtr

Unique pointer to an instance of NrMacSchedulerLC.

Definition at line 79 of file nr-mac-scheduler-lcg.h.