simple-network-example.cc

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/*
 * Copyright (c) 2017 University of Padova
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 * Author: Davide Magrin <magrinda@dei.unipd.it>
 */
 
/*
 * This script simulates a simple network in which one end device sends one
 * packet to the gateway.
 */
 
#include "ns3/core-module.h"
#include "ns3/lorawan-module.h"
#include "ns3/mobility-helper.h"
 
using namespace ns3;
using namespace lorawan;
 
NS_LOG_COMPONENT_DEFINE("SimpleLorawanNetworkExample");
 
int
main(int argc, char* argv[])
{
    // Set up logging
    LogComponentEnable("SimpleLorawanNetworkExample", LOG_LEVEL_ALL);
    LogComponentEnable("LoraChannel", LOG_LEVEL_INFO);
    LogComponentEnable("LoraPhy", LOG_LEVEL_ALL);
    LogComponentEnable("EndDeviceLoraPhy", LOG_LEVEL_ALL);
    LogComponentEnable("GatewayLoraPhy", LOG_LEVEL_ALL);
    LogComponentEnable("LoraInterferenceHelper", LOG_LEVEL_ALL);
    LogComponentEnable("LorawanMac", LOG_LEVEL_ALL);
    LogComponentEnable("EndDeviceLorawanMac", LOG_LEVEL_ALL);
    LogComponentEnable("ClassAEndDeviceLorawanMac", LOG_LEVEL_ALL);
    LogComponentEnable("GatewayLorawanMac", LOG_LEVEL_ALL);
    LogComponentEnable("LogicalLoraChannelHelper", LOG_LEVEL_ALL);
    LogComponentEnable("LogicalLoraChannel", LOG_LEVEL_ALL);
    LogComponentEnable("LoraHelper", LOG_LEVEL_ALL);
    LogComponentEnable("LoraPhyHelper", LOG_LEVEL_ALL);
    LogComponentEnable("LorawanMacHelper", LOG_LEVEL_ALL);
    LogComponentEnable("OneShotSenderHelper", LOG_LEVEL_ALL);
    LogComponentEnable("OneShotSender", LOG_LEVEL_ALL);
    LogComponentEnable("LorawanMacHeader", LOG_LEVEL_ALL);
    LogComponentEnable("LoraFrameHeader", LOG_LEVEL_ALL);
    LogComponentEnableAll(LOG_PREFIX_FUNC);
    LogComponentEnableAll(LOG_PREFIX_NODE);
    LogComponentEnableAll(LOG_PREFIX_TIME);
 
    /************************
     *  Create the channel  *
     ************************/
 
    NS_LOG_INFO("Creating the channel...");
 
    // Create the lora channel object
    Ptr<LogDistancePropagationLossModel> loss = CreateObject<LogDistancePropagationLossModel>();
    loss->SetPathLossExponent(3.76);
    loss->SetReference(1, 7.7);
 
    Ptr<PropagationDelayModel> delay = CreateObject<ConstantSpeedPropagationDelayModel>();
 
    Ptr<LoraChannel> channel = CreateObject<LoraChannel>(loss, delay);
 
    /************************
     *  Create the helpers  *
     ************************/
 
    NS_LOG_INFO("Setting up helpers...");
 
    MobilityHelper mobility;
    Ptr<ListPositionAllocator> allocator = CreateObject<ListPositionAllocator>();
    allocator->Add(Vector(1000, 0, 0));
    allocator->Add(Vector(0, 0, 0));
    mobility.SetPositionAllocator(allocator);
    mobility.SetMobilityModel("ns3::ConstantPositionMobilityModel");
 
    // Create the LoraPhyHelper
    LoraPhyHelper phyHelper = LoraPhyHelper();
    phyHelper.SetChannel(channel);
 
    // Create the LorawanMacHelper
    LorawanMacHelper macHelper = LorawanMacHelper();
 
    // Create the LoraHelper
    LoraHelper helper = LoraHelper();
 
    /************************
     *  Create End Devices  *
     ************************/
 
    NS_LOG_INFO("Creating the end device...");
 
    // Create a set of nodes
    NodeContainer endDevices;
    endDevices.Create(1);
 
    // Assign a mobility model to the node
    mobility.Install(endDevices);
 
    // Create the LoraNetDevices of the end devices
    phyHelper.SetDeviceType(LoraPhyHelper::ED);
    macHelper.SetDeviceType(LorawanMacHelper::ED_A);
    helper.Install(phyHelper, macHelper, endDevices);
 
    /*********************
     *  Create Gateways  *
     *********************/
 
    NS_LOG_INFO("Creating the gateway...");
    NodeContainer gateways;
    gateways.Create(1);
 
    mobility.Install(gateways);
 
    // Create a netdevice for each gateway
    phyHelper.SetDeviceType(LoraPhyHelper::GW);
    macHelper.SetDeviceType(LorawanMacHelper::GW);
    helper.Install(phyHelper, macHelper, gateways);
 
    /*********************************************
     *  Install applications on the end devices  *
     *********************************************/
 
    OneShotSenderHelper oneShotSenderHelper;
    oneShotSenderHelper.SetSendTime(Seconds(2));
 
    oneShotSenderHelper.Install(endDevices);
 
    /******************
     * Set Data Rates *
     ******************/
    std::vector<int> sfQuantity(6);
    sfQuantity = LorawanMacHelper::SetSpreadingFactorsUp(endDevices, gateways, channel);
 
    /****************
     *  Simulation  *
     ****************/
 
    Simulator::Stop(Hours(2));
 
    Simulator::Run();
 
    Simulator::Destroy();
 
    return 0;
}