695 lines
22 KiB
C++
695 lines
22 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2014 Piotr Gawlowicz
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Piotr Gawlowicz <gawlowicz.p@gmail.com>
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*
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*/
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#include "lte-ffr-soft-algorithm.h"
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#include <ns3/log.h>
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#include "ns3/boolean.h"
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namespace ns3 {
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NS_LOG_COMPONENT_DEFINE ("LteFfrSoftAlgorithm");
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NS_OBJECT_ENSURE_REGISTERED (LteFfrSoftAlgorithm);
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static const struct FfrSoftDownlinkDefaultConfiguration
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{
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uint8_t cellId;
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uint8_t dlBandwidth;
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uint8_t dlCommonSubBandwidth;
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uint8_t dlEgdeSubBandOffset;
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uint8_t dlEdgeSubBandwidth;
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} g_ffrSoftDownlinkDefaultConfiguration[] = {
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{ 1, 15, 2, 0, 4},
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{ 2, 15, 2, 4, 4},
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{ 3, 15, 2, 8, 4},
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{ 1, 25, 6, 0, 6},
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{ 2, 25, 6, 6, 6},
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{ 3, 25, 6, 12, 6},
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{ 1, 50, 21, 0, 9},
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{ 2, 50, 21, 9, 9},
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{ 3, 50, 21, 18, 11},
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{ 1, 75, 36, 0, 12},
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{ 2, 75, 36, 12, 12},
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{ 3, 75, 36, 24, 15},
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{ 1, 100, 28, 0, 24},
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{ 2, 100, 28, 24, 24},
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{ 3, 100, 28, 48, 24}
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};
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static const struct FfrSoftUplinkDefaultConfiguration
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{
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uint8_t cellId;
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uint8_t ulBandwidth;
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uint8_t ulCommonSubBandwidth;
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uint8_t ulEgdeSubBandOffset;
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uint8_t ulEdgeSubBandwidth;
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} g_ffrSoftUplinkDefaultConfiguration[] = {
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{ 1, 15, 3, 0, 4},
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{ 2, 15, 3, 4, 4},
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{ 3, 15, 3, 8, 4},
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{ 1, 25, 6, 0, 6},
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{ 2, 25, 6, 6, 6},
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{ 3, 25, 6, 12, 6},
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{ 1, 50, 21, 0, 9},
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{ 2, 50, 21, 9, 9},
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{ 3, 50, 21, 18, 11},
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{ 1, 75, 36, 0, 12},
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{ 2, 75, 36, 12, 12},
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{ 3, 75, 36, 24, 15},
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{ 1, 100, 28, 0, 24},
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{ 2, 100, 28, 24, 24},
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{ 3, 100, 28, 48, 24}
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};
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const uint16_t NUM_DOWNLINK_CONFS (sizeof (g_ffrSoftDownlinkDefaultConfiguration) / sizeof (FfrSoftDownlinkDefaultConfiguration));
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const uint16_t NUM_UPLINK_CONFS (sizeof (g_ffrSoftUplinkDefaultConfiguration) / sizeof (FfrSoftUplinkDefaultConfiguration));
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LteFfrSoftAlgorithm::LteFfrSoftAlgorithm ()
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: m_ffrSapUser (0),
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m_ffrRrcSapUser (0),
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m_dlEgdeSubBandOffset (0),
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m_dlEdgeSubBandwidth (0),
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m_ulEgdeSubBandOffset (0),
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m_ulEdgeSubBandwidth (0),
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m_measId (0)
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{
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NS_LOG_FUNCTION (this);
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m_ffrSapProvider = new MemberLteFfrSapProvider<LteFfrSoftAlgorithm> (this);
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m_ffrRrcSapProvider = new MemberLteFfrRrcSapProvider<LteFfrSoftAlgorithm> (this);
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}
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LteFfrSoftAlgorithm::~LteFfrSoftAlgorithm ()
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{
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NS_LOG_FUNCTION (this);
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}
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void
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LteFfrSoftAlgorithm::DoDispose ()
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{
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NS_LOG_FUNCTION (this);
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delete m_ffrSapProvider;
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delete m_ffrRrcSapProvider;
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}
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TypeId
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LteFfrSoftAlgorithm::GetTypeId ()
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{
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static TypeId tid = TypeId ("ns3::LteFfrSoftAlgorithm")
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.SetParent<LteFfrAlgorithm> ()
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.SetGroupName("Lte")
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.AddConstructor<LteFfrSoftAlgorithm> ()
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.AddAttribute ("UlCommonSubBandwidth",
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"Uplink Medium (Common) SubBandwidth Configuration in number of Resource Block Groups",
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UintegerValue (6),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_ulCommonSubBandwidth),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("UlEdgeSubBandOffset",
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"Uplink Edge SubBand Offset in number of Resource Block Groups",
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UintegerValue (0),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_ulEgdeSubBandOffset),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("UlEdgeSubBandwidth",
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"Uplink Edge SubBandwidth Configuration in number of Resource Block Groups",
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UintegerValue (6),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_ulEdgeSubBandwidth),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("DlCommonSubBandwidth",
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"Downlink Medium (Common) SubBandwidth Configuration in number of Resource Block Groups",
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UintegerValue (6),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_dlCommonSubBandwidth),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("DlEdgeSubBandOffset",
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"Downlink Edge SubBand Offset in number of Resource Block Groups",
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UintegerValue (0),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_dlEgdeSubBandOffset),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("DlEdgeSubBandwidth",
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"Downlink Edge SubBandwidth Configuration in number of Resource Block Groups",
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UintegerValue (0),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_dlEdgeSubBandwidth),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("CenterRsrqThreshold",
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"If the RSRQ of is worse than this threshold, UE should be served in Medium sub-band",
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UintegerValue (30),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_centerSubBandThreshold),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("EdgeRsrqThreshold",
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"If the RSRQ of is worse than this threshold, UE should be served in Edge sub-band",
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UintegerValue (20),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_egdeSubBandThreshold),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("CenterAreaPowerOffset",
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"PdschConfigDedicated::Pa value for Center Sub-band, default value dB0",
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UintegerValue (5),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_centerAreaPowerOffset),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("MediumAreaPowerOffset",
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"PdschConfigDedicated::Pa value for Medium Sub-band, default value dB0",
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UintegerValue (5),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_mediumAreaPowerOffset),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("EdgeAreaPowerOffset",
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"PdschConfigDedicated::Pa value for Edge Sub-band, default value dB0",
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UintegerValue (5),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_edgeAreaPowerOffset),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("CenterAreaTpc",
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"TPC value which will be set in DL-DCI for UEs in center area"
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"Absolute mode is used, default value 1 is mapped to -1 according to"
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"TS36.213 Table 5.1.1.1-2",
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UintegerValue (1),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_centerAreaTpc),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("MediumAreaTpc",
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"TPC value which will be set in DL-DCI for UEs in medium area"
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"Absolute mode is used, default value 1 is mapped to -1 according to"
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"TS36.213 Table 5.1.1.1-2",
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UintegerValue (1),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_mediumAreaTpc),
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MakeUintegerChecker<uint8_t> ())
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.AddAttribute ("EdgeAreaTpc",
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"TPC value which will be set in DL-DCI for UEs in edge area"
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"Absolute mode is used, default value 1 is mapped to -1 according to"
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"TS36.213 Table 5.1.1.1-2",
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UintegerValue (1),
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MakeUintegerAccessor (&LteFfrSoftAlgorithm::m_edgeAreaTpc),
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MakeUintegerChecker<uint8_t> ())
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;
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return tid;
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}
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void
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LteFfrSoftAlgorithm::SetLteFfrSapUser (LteFfrSapUser* s)
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{
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NS_LOG_FUNCTION (this << s);
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m_ffrSapUser = s;
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}
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LteFfrSapProvider*
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LteFfrSoftAlgorithm::GetLteFfrSapProvider ()
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{
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NS_LOG_FUNCTION (this);
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return m_ffrSapProvider;
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}
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void
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LteFfrSoftAlgorithm::SetLteFfrRrcSapUser (LteFfrRrcSapUser* s)
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{
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NS_LOG_FUNCTION (this << s);
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m_ffrRrcSapUser = s;
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}
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LteFfrRrcSapProvider*
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LteFfrSoftAlgorithm::GetLteFfrRrcSapProvider ()
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{
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NS_LOG_FUNCTION (this);
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return m_ffrRrcSapProvider;
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}
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void
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LteFfrSoftAlgorithm::DoInitialize ()
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{
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NS_LOG_FUNCTION (this);
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LteFfrAlgorithm::DoInitialize ();
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NS_ASSERT_MSG (m_dlBandwidth > 14,"DlBandwidth must be at least 15 to use FFR algorithms");
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NS_ASSERT_MSG (m_ulBandwidth > 14,"UlBandwidth must be at least 15 to use FFR algorithms");
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if (m_frCellTypeId != 0)
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{
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SetDownlinkConfiguration (m_frCellTypeId, m_dlBandwidth);
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SetUplinkConfiguration (m_frCellTypeId, m_ulBandwidth);
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}
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NS_LOG_LOGIC (this << " requesting Event A1 measurements"
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<< " (threshold = 0" << ")");
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LteRrcSap::ReportConfigEutra reportConfig;
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reportConfig.eventId = LteRrcSap::ReportConfigEutra::EVENT_A1;
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reportConfig.threshold1.choice = LteRrcSap::ThresholdEutra::THRESHOLD_RSRQ;
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reportConfig.threshold1.range = 0;
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reportConfig.triggerQuantity = LteRrcSap::ReportConfigEutra::RSRQ;
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reportConfig.reportInterval = LteRrcSap::ReportConfigEutra::MS120;
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m_measId = m_ffrRrcSapUser->AddUeMeasReportConfigForFfr (reportConfig);
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}
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void
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LteFfrSoftAlgorithm::Reconfigure ()
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{
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NS_LOG_FUNCTION (this);
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if (m_frCellTypeId != 0)
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{
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SetDownlinkConfiguration (m_frCellTypeId, m_dlBandwidth);
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SetUplinkConfiguration (m_frCellTypeId, m_ulBandwidth);
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}
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InitializeDownlinkRbgMaps ();
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InitializeUplinkRbgMaps ();
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m_needReconfiguration = false;
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}
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void
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LteFfrSoftAlgorithm::SetDownlinkConfiguration (uint16_t cellId, uint8_t bandwidth)
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{
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NS_LOG_FUNCTION (this);
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for (uint16_t i = 0; i < NUM_DOWNLINK_CONFS; ++i)
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{
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if ((g_ffrSoftDownlinkDefaultConfiguration[i].cellId == cellId)
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&& g_ffrSoftDownlinkDefaultConfiguration[i].dlBandwidth == m_dlBandwidth)
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{
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m_dlCommonSubBandwidth = g_ffrSoftDownlinkDefaultConfiguration[i].dlCommonSubBandwidth;
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m_dlEgdeSubBandOffset = g_ffrSoftDownlinkDefaultConfiguration[i].dlEgdeSubBandOffset;
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m_dlEdgeSubBandwidth = g_ffrSoftDownlinkDefaultConfiguration[i].dlEdgeSubBandwidth;
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}
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}
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}
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void
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LteFfrSoftAlgorithm::SetUplinkConfiguration (uint16_t cellId, uint8_t bandwidth)
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{
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NS_LOG_FUNCTION (this);
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for (uint16_t i = 0; i < NUM_UPLINK_CONFS; ++i)
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{
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if ((g_ffrSoftUplinkDefaultConfiguration[i].cellId == cellId)
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&& g_ffrSoftUplinkDefaultConfiguration[i].ulBandwidth == m_ulBandwidth)
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{
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m_ulCommonSubBandwidth = g_ffrSoftUplinkDefaultConfiguration[i].ulCommonSubBandwidth;
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m_ulEgdeSubBandOffset = g_ffrSoftUplinkDefaultConfiguration[i].ulEgdeSubBandOffset;
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m_ulEdgeSubBandwidth = g_ffrSoftUplinkDefaultConfiguration[i].ulEdgeSubBandwidth;
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}
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}
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}
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void
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LteFfrSoftAlgorithm::InitializeDownlinkRbgMaps ()
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{
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m_dlRbgMap.clear ();
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m_dlCenterRbgMap.clear ();
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m_dlMediumRbgMap.clear ();
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m_dlEdgeRbgMap.clear ();
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int rbgSize = GetRbgSize (m_dlBandwidth);
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m_dlRbgMap.resize (m_dlBandwidth / rbgSize, false);
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m_dlCenterRbgMap.resize (m_dlBandwidth / rbgSize, true);
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m_dlMediumRbgMap.resize (m_dlBandwidth / rbgSize, false);
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m_dlEdgeRbgMap.resize (m_dlBandwidth / rbgSize, false);
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NS_ASSERT_MSG (m_dlCommonSubBandwidth <= m_dlBandwidth,"DlCommonSubBandwidth higher than DlBandwidth");
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NS_ASSERT_MSG (m_dlCommonSubBandwidth + m_dlEgdeSubBandOffset <= m_dlBandwidth,
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"DlCommonSubBandwidth + DlEgdeSubBandOffset higher than DlBandwidth");
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NS_ASSERT_MSG (m_dlEgdeSubBandOffset <= m_dlBandwidth,"DlEgdeSubBandOffset higher than DlBandwidth");
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NS_ASSERT_MSG (m_dlEdgeSubBandwidth <= m_dlBandwidth,"DlEdgeSubBandwidth higher than DlBandwidth");
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NS_ASSERT_MSG ((m_dlCommonSubBandwidth + m_dlEgdeSubBandOffset + m_dlEdgeSubBandwidth) <= m_dlBandwidth,
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"(DlCommonSubBandwidth + DlEgdeSubBandOffset+DlEdgeSubBandwidth) higher than DlBandwidth");
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for (uint8_t i = 0;
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i < m_dlCommonSubBandwidth / rbgSize; i++)
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{
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m_dlMediumRbgMap[i] = true;
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m_dlCenterRbgMap[i] = false;
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}
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for (uint8_t i = (m_dlCommonSubBandwidth + m_dlEgdeSubBandOffset) / rbgSize;
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i < (m_dlCommonSubBandwidth + m_dlEgdeSubBandOffset + m_dlEdgeSubBandwidth) / rbgSize; i++)
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{
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m_dlEdgeRbgMap[i] = true;
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m_dlCenterRbgMap[i] = false;
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}
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}
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void
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LteFfrSoftAlgorithm::InitializeUplinkRbgMaps ()
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{
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m_ulRbgMap.clear ();
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m_ulCenterRbgMap.clear ();
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m_ulMediumRbgMap.clear ();
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m_ulEdgeRbgMap.clear ();
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m_ulRbgMap.resize (m_ulBandwidth, false);
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m_ulCenterRbgMap.resize (m_ulBandwidth, true);
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m_ulMediumRbgMap.resize (m_ulBandwidth, false);
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m_ulEdgeRbgMap.resize (m_ulBandwidth, false);
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NS_ASSERT_MSG (m_ulCommonSubBandwidth <= m_ulBandwidth,"UlCommonSubBandwidth higher than UlBandwidth");
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NS_ASSERT_MSG (m_ulCommonSubBandwidth + m_ulEgdeSubBandOffset <= m_ulBandwidth,
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"UlCommonSubBandwidth + UlEgdeSubBandOffset higher than UlBandwidth");
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NS_ASSERT_MSG (m_ulEgdeSubBandOffset <= m_ulBandwidth,"UlEgdeSubBandOffset higher than UlBandwidth");
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NS_ASSERT_MSG (m_ulEdgeSubBandwidth <= m_ulBandwidth,"UlEdgeSubBandwidth higher than UlBandwidth");
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NS_ASSERT_MSG ((m_ulCommonSubBandwidth + m_ulEgdeSubBandOffset + m_ulEdgeSubBandwidth) <= m_ulBandwidth,
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"(UlCommonSubBandwidth + UlEgdeSubBandOffset+UlEdgeSubBandwidth) higher than UlBandwidth");
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for (uint8_t i = 0;
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i < m_ulCommonSubBandwidth; i++)
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{
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m_ulMediumRbgMap[i] = true;
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m_ulCenterRbgMap[i] = false;
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}
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for (uint8_t i = (m_ulCommonSubBandwidth + m_ulEgdeSubBandOffset);
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i < (m_ulCommonSubBandwidth + m_ulEgdeSubBandOffset + m_ulEdgeSubBandwidth); i++)
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{
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m_ulEdgeRbgMap[i] = true;
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m_ulCenterRbgMap[i] = false;
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}
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}
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std::vector <bool>
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LteFfrSoftAlgorithm::DoGetAvailableDlRbg ()
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{
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NS_LOG_FUNCTION (this);
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if (m_needReconfiguration)
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{
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Reconfigure ();
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}
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if (m_dlRbgMap.empty ())
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{
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InitializeDownlinkRbgMaps ();
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}
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return m_dlRbgMap;
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}
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bool
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LteFfrSoftAlgorithm::DoIsDlRbgAvailableForUe (int rbgId, uint16_t rnti)
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{
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NS_LOG_FUNCTION (this);
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bool isCenterRbg = m_dlCenterRbgMap[rbgId];
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bool isMediumRbg = m_dlMediumRbgMap[rbgId];
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bool isEdgeRbg = m_dlEdgeRbgMap[rbgId];
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std::map< uint16_t, uint8_t >::iterator it = m_ues.find (rnti);
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if (it == m_ues.end ())
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{
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m_ues.insert (std::pair< uint16_t, uint8_t > (rnti, AreaUnset));
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}
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it = m_ues.find (rnti);
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//if UE area is unknown, serve UE in medium (common) RBGs
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if (it->second == AreaUnset)
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{
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return isMediumRbg;
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}
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bool isCenterUe = false;
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bool isMediumUe = false;
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bool isEdgeUe = false;
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if (it->second == CenterArea )
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{
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isCenterUe = true;
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}
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else if (it->second == MediumArea)
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{
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isMediumUe = true;
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}
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else if (it->second == EdgeArea)
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{
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isEdgeUe = true;
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}
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return (isCenterRbg && isCenterUe) || (isMediumRbg && isMediumUe) || (isEdgeRbg && isEdgeUe);
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}
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std::vector <bool>
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LteFfrSoftAlgorithm::DoGetAvailableUlRbg ()
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{
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NS_LOG_FUNCTION (this);
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if (m_ulRbgMap.empty ())
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{
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InitializeUplinkRbgMaps ();
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}
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return m_ulRbgMap;
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}
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bool
|
|
LteFfrSoftAlgorithm::DoIsUlRbgAvailableForUe (int rbgId, uint16_t rnti)
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
|
|
if (!m_enabledInUplink)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
bool isCenterRbg = m_ulCenterRbgMap[rbgId];
|
|
bool isMediumRbg = m_ulMediumRbgMap[rbgId];
|
|
bool isEdgeRbg = m_ulEdgeRbgMap[rbgId];
|
|
|
|
std::map< uint16_t, uint8_t >::iterator it = m_ues.find (rnti);
|
|
if (it == m_ues.end ())
|
|
{
|
|
m_ues.insert (std::pair< uint16_t, uint8_t > (rnti, AreaUnset));
|
|
}
|
|
|
|
it = m_ues.find (rnti);
|
|
|
|
//if UE area is unknown, serve UE in medium (common) RBGs
|
|
if (it->second == AreaUnset)
|
|
{
|
|
return isMediumRbg;
|
|
}
|
|
|
|
|
|
bool isCenterUe = false;
|
|
bool isMediumUe = false;
|
|
bool isEdgeUe = false;
|
|
|
|
if (it->second == CenterArea )
|
|
{
|
|
isCenterUe = true;
|
|
}
|
|
else if (it->second == MediumArea)
|
|
{
|
|
isMediumUe = true;
|
|
}
|
|
else if (it->second == EdgeArea)
|
|
{
|
|
isEdgeUe = true;
|
|
}
|
|
|
|
return (isCenterRbg && isCenterUe) || (isMediumRbg && isMediumUe) || (isEdgeRbg && isEdgeUe);
|
|
}
|
|
|
|
void
|
|
LteFfrSoftAlgorithm::DoReportDlCqiInfo (const struct FfMacSchedSapProvider::SchedDlCqiInfoReqParameters& params)
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
NS_LOG_WARN ("Method should not be called, because it is empty");
|
|
}
|
|
|
|
void
|
|
LteFfrSoftAlgorithm::DoReportUlCqiInfo (const struct FfMacSchedSapProvider::SchedUlCqiInfoReqParameters& params)
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
NS_LOG_WARN ("Method should not be called, because it is empty");
|
|
}
|
|
|
|
void
|
|
LteFfrSoftAlgorithm::DoReportUlCqiInfo (std::map <uint16_t, std::vector <double> > ulCqiMap)
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
NS_LOG_WARN ("Method should not be called, because it is empty");
|
|
}
|
|
|
|
uint8_t
|
|
LteFfrSoftAlgorithm::DoGetTpc (uint16_t rnti)
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
|
|
if (!m_enabledInUplink)
|
|
{
|
|
return 1; // 1 is mapped to 0 for Accumulated mode, and to -1 in Absolute mode TS36.213 Table 5.1.1.1-2
|
|
}
|
|
|
|
//TS36.213 Table 5.1.1.1-2
|
|
// TPC | Accumulated Mode | Absolute Mode
|
|
//------------------------------------------------
|
|
// 0 | -1 | -4
|
|
// 1 | 0 | -1
|
|
// 2 | 1 | 1
|
|
// 3 | 3 | 4
|
|
//------------------------------------------------
|
|
// here Absolute mode is used
|
|
|
|
std::map< uint16_t, uint8_t >::iterator it = m_ues.find (rnti);
|
|
if (it == m_ues.end ())
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
if (it->second == CenterArea )
|
|
{
|
|
return m_centerAreaTpc;
|
|
}
|
|
else if (it->second == MediumArea)
|
|
{
|
|
return m_mediumAreaTpc;
|
|
}
|
|
else if (it->second == EdgeArea)
|
|
{
|
|
return m_edgeAreaTpc;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
uint8_t
|
|
LteFfrSoftAlgorithm::DoGetMinContinuousUlBandwidth ()
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
|
|
if (!m_enabledInUplink)
|
|
{
|
|
return m_ulBandwidth;
|
|
}
|
|
|
|
uint8_t centerSubBandwidth = 0;
|
|
uint8_t mediumSubBandwidth = 0;
|
|
uint8_t edgeSubBandwidth = 0;
|
|
|
|
for (uint8_t i = 0; i < m_ulCenterRbgMap.size (); i++)
|
|
{
|
|
if ( m_ulCenterRbgMap[i] == true)
|
|
{
|
|
centerSubBandwidth++;
|
|
}
|
|
}
|
|
|
|
for (uint8_t i = 0; i < m_ulMediumRbgMap.size (); i++)
|
|
{
|
|
if ( m_ulMediumRbgMap[i] == true)
|
|
{
|
|
mediumSubBandwidth++;
|
|
}
|
|
}
|
|
|
|
for (uint8_t i = 0; i < m_ulEdgeRbgMap.size (); i++)
|
|
{
|
|
if ( m_ulEdgeRbgMap[i] == true)
|
|
{
|
|
edgeSubBandwidth++;
|
|
}
|
|
}
|
|
|
|
uint8_t minContinuousUlBandwidth = m_ulBandwidth;
|
|
|
|
minContinuousUlBandwidth =
|
|
((centerSubBandwidth > 0 ) && (centerSubBandwidth < minContinuousUlBandwidth)) ? centerSubBandwidth : minContinuousUlBandwidth;
|
|
|
|
minContinuousUlBandwidth =
|
|
((mediumSubBandwidth > 0 ) && (mediumSubBandwidth < minContinuousUlBandwidth)) ? mediumSubBandwidth : minContinuousUlBandwidth;
|
|
|
|
minContinuousUlBandwidth =
|
|
((edgeSubBandwidth > 0 ) && (edgeSubBandwidth < minContinuousUlBandwidth)) ? edgeSubBandwidth : minContinuousUlBandwidth;
|
|
|
|
NS_LOG_INFO ("minContinuousUlBandwidth: " << (int)minContinuousUlBandwidth);
|
|
|
|
return minContinuousUlBandwidth;
|
|
}
|
|
|
|
void
|
|
LteFfrSoftAlgorithm::DoReportUeMeas (uint16_t rnti,
|
|
LteRrcSap::MeasResults measResults)
|
|
{
|
|
NS_LOG_FUNCTION (this << rnti << (uint16_t) measResults.measId);
|
|
NS_LOG_INFO ("RNTI :" << rnti << " MeasId: " << (uint16_t) measResults.measId
|
|
<< " RSRP: " << (uint16_t)measResults.rsrpResult
|
|
<< " RSRQ: " << (uint16_t)measResults.rsrqResult);
|
|
|
|
NS_ASSERT_MSG (m_centerSubBandThreshold >= m_egdeSubBandThreshold,
|
|
"CenterSubBandThreshold must be higher than EgdeSubBandThreshold");
|
|
|
|
if (measResults.measId != m_measId)
|
|
{
|
|
NS_LOG_WARN ("Ignoring measId " << (uint16_t) measResults.measId);
|
|
}
|
|
else
|
|
{
|
|
|
|
std::map< uint16_t, uint8_t >::iterator it = m_ues.find (rnti);
|
|
if (it == m_ues.end ())
|
|
{
|
|
m_ues.insert (std::pair< uint16_t, uint8_t > (rnti, AreaUnset));
|
|
}
|
|
|
|
it = m_ues.find (rnti);
|
|
if (measResults.rsrqResult >= m_centerSubBandThreshold)
|
|
{
|
|
if (it->second != CenterArea)
|
|
{
|
|
NS_LOG_INFO ("UE RNTI: " << rnti << " will be served in Center sub-band");
|
|
it->second = CenterArea;
|
|
|
|
LteRrcSap::PdschConfigDedicated pdschConfigDedicated;
|
|
pdschConfigDedicated.pa = m_centerAreaPowerOffset;
|
|
m_ffrRrcSapUser->SetPdschConfigDedicated (rnti, pdschConfigDedicated);
|
|
}
|
|
}
|
|
else if (measResults.rsrqResult < m_egdeSubBandThreshold)
|
|
{
|
|
if (it->second != EdgeArea )
|
|
{
|
|
NS_LOG_INFO ("UE RNTI: " << rnti << " will be served in Edge sub-band");
|
|
it->second = EdgeArea;
|
|
|
|
LteRrcSap::PdschConfigDedicated pdschConfigDedicated;
|
|
pdschConfigDedicated.pa = m_edgeAreaPowerOffset;
|
|
m_ffrRrcSapUser->SetPdschConfigDedicated (rnti, pdschConfigDedicated);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (it->second != MediumArea)
|
|
{
|
|
NS_LOG_INFO ("UE RNTI: " << rnti << " will be served in Medium sub-band");
|
|
it->second = MediumArea;
|
|
|
|
LteRrcSap::PdschConfigDedicated pdschConfigDedicated;
|
|
pdschConfigDedicated.pa = m_mediumAreaPowerOffset;
|
|
m_ffrRrcSapUser->SetPdschConfigDedicated (rnti, pdschConfigDedicated);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
LteFfrSoftAlgorithm::DoRecvLoadInformation (EpcX2Sap::LoadInformationParams params)
|
|
{
|
|
NS_LOG_FUNCTION (this);
|
|
NS_LOG_WARN ("Method should not be called, because it is empty");
|
|
}
|
|
|
|
} // end of namespace ns3
|