cttc-3gpp-channel-simple-ran.cc File Reference

Simple RAN. More...

#include "ns3/antenna-module.h"
#include "ns3/config-store.h"
#include "ns3/core-module.h"
#include "ns3/grid-scenario-helper.h"
#include "ns3/internet-module.h"
#include "ns3/ipv4-global-routing-helper.h"
#include "ns3/log.h"
#include "ns3/mobility-module.h"
#include "ns3/network-module.h"
#include "ns3/nr-eps-bearer-tag.h"
#include "ns3/nr-helper.h"
#include "ns3/nr-module.h"
#include "ns3/nr-point-to-point-epc-helper.h"

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Functions
void	ConnectPdcpRlcTraces ()
void	ConnectUlPdcpRlcTraces ()
void	RxPdcpPDU (std::string path, uint16_t rnti, uint8_t lcid, uint32_t bytes, uint64_t pdcpDelay)
void	RxRlcPDU (std::string path, uint16_t rnti, uint8_t lcid, uint32_t bytes, uint64_t rlcDelay)
static void	SendPacket (Ptr< NetDevice > device, Address &addr, uint32_t packetSize)

Variables
static bool	g_rxPdcpCallbackCalled = false
static bool	g_rxRxRlcPDUCallbackCalled = false

Detailed Description

Simple RAN.

This example describes how to setup a simulation using the 3GPP channel model from TR 38.901. This example consists of a simple topology of 1 UE and 1 gNb, and only NR RAN part is simulated. One Bandwidth part and one CC are defined. A packet is created and directly sent to gNb device by SendPacket function. Then several functions are connected to PDCP and RLC traces and the delay is printed.

Definition in file cttc-3gpp-channel-simple-ran.cc.

Function Documentation

ConnectPdcpRlcTraces()

void ConnectPdcpRlcTraces

(

)

Function that connects PDCP and RLC traces to the corresponding trace sources.

Definition at line 104 of file cttc-3gpp-channel-simple-ran.cc.

References RxPdcpPDU(), and RxRlcPDU().

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ConnectUlPdcpRlcTraces()

void ConnectUlPdcpRlcTraces

(

)

Function that connects UL PDCP and RLC traces to the corresponding trace sources.

Definition at line 117 of file cttc-3gpp-channel-simple-ran.cc.

References RxPdcpPDU(), and RxRlcPDU().

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RxPdcpPDU()

void RxPdcpPDU	(	std::string	path,
		uint16_t	rnti,
		uint8_t	lcid,
		uint32_t	bytes,
		uint64_t	pdcpDelay
	)

Function that prints out PDCP delay. This function is designed as a callback for PDCP trace source.

Parameters

path	The path that matches the trace source
rnti	RNTI of UE
lcid	logical channel id
bytes	PDCP PDU size in bytes
pdcpDelay	PDCP delay

Definition at line 73 of file cttc-3gpp-channel-simple-ran.cc.

Referenced by ConnectPdcpRlcTraces(), and ConnectUlPdcpRlcTraces().

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RxRlcPDU()

void RxRlcPDU	(	std::string	path,
		uint16_t	rnti,
		uint8_t	lcid,
		uint32_t	bytes,
		uint64_t	rlcDelay
	)

Function that prints out RLC statistics, such as RNTI, lcId, RLC PDU size, delay. This function is designed as a callback for RLC trace source.

Parameters

path	The path that matches the trace source
rnti	RNTI of UE
lcid	logical channel id
bytes	RLC PDU size in bytes
rlcDelay	RLC PDU delay

Definition at line 90 of file cttc-3gpp-channel-simple-ran.cc.

Referenced by ConnectPdcpRlcTraces(), and ConnectUlPdcpRlcTraces().

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SendPacket()

static void SendPacket ( Ptr< NetDevice >  device, Address &  addr, uint32_t  packetSize  )

static

Function creates a single packet and directly calls the function send of a device to send the packet to the destination address.

Parameters

device	Device that will send the packet to the destination address.
addr	Destination address for a packet.
packetSize	The packet size.

Definition at line 52 of file cttc-3gpp-channel-simple-ran.cc.

Variable Documentation

g_rxPdcpCallbackCalled

bool g_rxPdcpCallbackCalled = false

static

Definition at line 41 of file cttc-3gpp-channel-simple-ran.cc.

g_rxRxRlcPDUCallbackCalled

bool g_rxRxRlcPDUCallbackCalled = false

static

Definition at line 42 of file cttc-3gpp-channel-simple-ran.cc.