A Discrete-Event Network Simulator
API
fdmt-ff-mac-scheduler.h
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  * Author: Marco Miozzo <marco.miozzo@cttc.es>
19  * Modification: Dizhi Zhou <dizhi.zhou@gmail.com> // modify codes related to downlink scheduler
20  */
21 
22 #ifndef FDMT_FF_MAC_SCHEDULER_H
23 #define FDMT_FF_MAC_SCHEDULER_H
24 
25 #include <ns3/lte-common.h>
26 #include <ns3/ff-mac-csched-sap.h>
27 #include <ns3/ff-mac-sched-sap.h>
28 #include <ns3/ff-mac-scheduler.h>
29 #include <vector>
30 #include <map>
31 #include <set>
32 #include <ns3/nstime.h>
33 #include <ns3/lte-amc.h>
34 #include <ns3/lte-ffr-sap.h>
35 
40 #define NO_SINR -5000
41 
42 
44 #define HARQ_PROC_NUM 8
46 #define HARQ_DL_TIMEOUT 11
47 
48 namespace ns3 {
49 
50 
51 typedef std::vector < uint8_t > DlHarqProcessesStatus_t;
52 typedef std::vector < uint8_t > DlHarqProcessesTimer_t;
53 typedef std::vector < DlDciListElement_s > DlHarqProcessesDciBuffer_t;
54 typedef std::vector < std::vector <struct RlcPduListElement_s> > RlcPduList_t;
55 typedef std::vector < RlcPduList_t > DlHarqRlcPduListBuffer_t;
56 
57 typedef std::vector < UlDciListElement_s > UlHarqProcessesDciBuffer_t;
58 typedef std::vector < uint8_t > UlHarqProcessesStatus_t;
59 
60 
69 {
70 public:
77 
81  virtual ~FdMtFfMacScheduler ();
82 
83  // inherited from Object
84  virtual void DoDispose (void);
89  static TypeId GetTypeId (void);
90 
91  // inherited from FfMacScheduler
92  virtual void SetFfMacCschedSapUser (FfMacCschedSapUser* s);
93  virtual void SetFfMacSchedSapUser (FfMacSchedSapUser* s);
96 
97  // FFR SAPs
98  virtual void SetLteFfrSapProvider (LteFfrSapProvider* s);
100 
105 
111  void TransmissionModeConfigurationUpdate (uint16_t rnti, uint8_t txMode);
112 
113 private:
114  //
115  // Implementation of the CSCHED API primitives
116  // (See 4.1 for description of the primitives)
117  //
118 
124 
130 
136 
142 
148 
149  //
150  // Implementation of the SCHED API primitives
151  // (See 4.2 for description of the primitives)
152  //
153 
159 
165 
171 
178 
184 
190 
196 
202 
208 
214 
220 
221 
227  int GetRbgSize (int dlbandwidth);
228 
234  unsigned int LcActivePerFlow (uint16_t rnti);
235 
242  double EstimateUlSinr (uint16_t rnti, uint16_t rb);
243 
245  void RefreshDlCqiMaps (void);
247  void RefreshUlCqiMaps (void);
248 
255  void UpdateDlRlcBufferInfo (uint16_t rnti, uint8_t lcid, uint16_t size);
261  void UpdateUlRlcBufferInfo (uint16_t rnti, uint16_t size);
262 
269  uint8_t UpdateHarqProcessId (uint16_t rnti);
270 
277  uint8_t HarqProcessAvailability (uint16_t rnti);
278 
283  void RefreshHarqProcesses ();
284 
286 
290  std::map <LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters> m_rlcBufferReq;
291 
292 
296  std::set <uint16_t> m_flowStatsDl;
297 
301  std::set <uint16_t> m_flowStatsUl;
302 
306  std::map <uint16_t,uint8_t> m_p10CqiRxed;
307 
311  std::map <uint16_t,uint32_t> m_p10CqiTimers;
312 
316  std::map <uint16_t,SbMeasResult_s> m_a30CqiRxed;
317 
321  std::map <uint16_t,uint32_t> m_a30CqiTimers;
322 
327  std::map <uint16_t, std::vector <uint16_t> > m_allocationMaps;
328 
332  std::map <uint16_t, std::vector <double> > m_ueCqi;
333 
337  std::map <uint16_t, uint32_t> m_ueCqiTimers;
338 
342  std::map <uint16_t,uint32_t> m_ceBsrRxed;
343 
344  // MAC SAPs
349 
350  // FFR SAPs
353 
354  // Internal parameters
356 
357 
358  uint16_t m_nextRntiUl;
359 
361 
362  std::map <uint16_t,uint8_t> m_uesTxMode;
363 
364  // HARQ attributes
365  bool m_harqOn;
366  std::map <uint16_t, uint8_t> m_dlHarqCurrentProcessId;
367  //HARQ status
368  // 0: process Id available
369  // x>0: process Id equal to `x` transmission count
370  std::map <uint16_t, DlHarqProcessesStatus_t> m_dlHarqProcessesStatus;
371  std::map <uint16_t, DlHarqProcessesTimer_t> m_dlHarqProcessesTimer;
372  std::map <uint16_t, DlHarqProcessesDciBuffer_t> m_dlHarqProcessesDciBuffer;
373  std::map <uint16_t, DlHarqRlcPduListBuffer_t> m_dlHarqProcessesRlcPduListBuffer;
374  std::vector <DlInfoListElement_s> m_dlInfoListBuffered;
375 
376  std::map <uint16_t, uint8_t> m_ulHarqCurrentProcessId;
377  //HARQ status
378  // 0: process Id available
379  // x>0: process Id equal to `x` transmission count
380  std::map <uint16_t, UlHarqProcessesStatus_t> m_ulHarqProcessesStatus;
381  std::map <uint16_t, UlHarqProcessesDciBuffer_t> m_ulHarqProcessesDciBuffer;
382 
383 
384  // RACH attributes
385  std::vector <struct RachListElement_s> m_rachList;
386  std::vector <uint16_t> m_rachAllocationMap;
387  uint8_t m_ulGrantMcs;
388 
389 };
390 
391 } // namespace ns3
392 
393 #endif /* FDMT_FF_MAC_SCHEDULER_H */
Implements the SCHED SAP and CSCHED SAP for a Frequency Domain Maximize Throughput scheduler.
void DoSchedDlMacBufferReq(const struct FfMacSchedSapProvider::SchedDlMacBufferReqParameters &params)
Sched DL MAC buffer request function.
virtual LteFfrSapUser * GetLteFfrSapUser()
void DoCschedCellConfigReq(const struct FfMacCschedSapProvider::CschedCellConfigReqParameters &params)
Csched cell config request function.
std::map< uint16_t, uint32_t > m_ceBsrRxed
Map of UE's buffer status reports received.
uint8_t HarqProcessAvailability(uint16_t rnti)
Return the availability of free process for the RNTI specified.
virtual ~FdMtFfMacScheduler()
Destructor.
double EstimateUlSinr(uint16_t rnti, uint16_t rb)
Estimate UL SNR function.
virtual void DoDispose(void)
Destructor implementation.
std::map< uint16_t, DlHarqRlcPduListBuffer_t > m_dlHarqProcessesRlcPduListBuffer
DL HARQ process RLC PDU list buffer.
LteFfrSapProvider * m_ffrSapProvider
FFR SAP provider.
void UpdateDlRlcBufferInfo(uint16_t rnti, uint8_t lcid, uint16_t size)
Update DL RLC buffer info function.
std::vector< struct RachListElement_s > m_rachList
RACH list.
std::map< uint16_t, SbMeasResult_s > m_a30CqiRxed
Map of UE's DL CQI A30 received.
std::map< uint16_t, UlHarqProcessesStatus_t > m_ulHarqProcessesStatus
UL HARQ process status.
void DoSchedDlTriggerReq(const struct FfMacSchedSapProvider::SchedDlTriggerReqParameters &params)
Sched DL trigger request function.
LteFfrSapUser * m_ffrSapUser
FFR SAP user.
void RefreshHarqProcesses()
Refresh HARQ processes according to the timers.
void TransmissionModeConfigurationUpdate(uint16_t rnti, uint8_t txMode)
Transmission mode configuration update.
void DoSchedDlRlcBufferReq(const struct FfMacSchedSapProvider::SchedDlRlcBufferReqParameters &params)
Sched DL RLC buffer request function.
unsigned int LcActivePerFlow(uint16_t rnti)
LC Active per flow function.
std::map< uint16_t, uint8_t > m_dlHarqCurrentProcessId
DL HARQ current process ID.
int GetRbgSize(int dlbandwidth)
Get RBG size function.
void RefreshUlCqiMaps(void)
Refresh UL CGI maps function.
std::map< uint16_t, UlHarqProcessesDciBuffer_t > m_ulHarqProcessesDciBuffer
UL HARQ process DCI buffer.
void DoSchedUlNoiseInterferenceReq(const struct FfMacSchedSapProvider::SchedUlNoiseInterferenceReqParameters &params)
Sched UL noise interference request function.
std::map< uint16_t, std::vector< double > > m_ueCqi
Map of UEs' UL-CQI per RBG.
std::set< uint16_t > m_flowStatsUl
Set of UE statistics (per RNTI basis)
virtual FfMacCschedSapProvider * GetFfMacCschedSapProvider()
FfMacCschedSapProvider * m_cschedSapProvider
csched SAP provider
std::map< uint16_t, uint32_t > m_p10CqiTimers
Map of UE's timers on DL CQI P01 received.
void DoSchedUlCqiInfoReq(const struct FfMacSchedSapProvider::SchedUlCqiInfoReqParameters &params)
Sched UL CQI info request function.
std::map< uint16_t, uint8_t > m_p10CqiRxed
Map of UE's DL CQI P01 received.
void DoSchedUlSrInfoReq(const struct FfMacSchedSapProvider::SchedUlSrInfoReqParameters &params)
Sched UL SR info request function.
std::map< uint16_t, uint32_t > m_ueCqiTimers
Map of UEs' timers on UL-CQI per RBG.
virtual FfMacSchedSapProvider * GetFfMacSchedSapProvider()
void DoCschedLcConfigReq(const struct FfMacCschedSapProvider::CschedLcConfigReqParameters &params)
CSched LC config request function.
static TypeId GetTypeId(void)
Get the type ID.
virtual void SetFfMacSchedSapUser(FfMacSchedSapUser *s)
set the user part of the FfMacSchedSap that this Scheduler will interact with.
std::map< uint16_t, DlHarqProcessesDciBuffer_t > m_dlHarqProcessesDciBuffer
DL HARQ process DCI buffer.
FfMacSchedSapProvider * m_schedSapProvider
sched SAP provider
std::map< uint16_t, std::vector< uint16_t > > m_allocationMaps
Map of previous allocated UE per RBG (used to retrieve info from UL-CQI)
std::set< uint16_t > m_flowStatsDl
Set of UE statistics (per RNTI basis) in downlink.
std::map< uint16_t, DlHarqProcessesStatus_t > m_dlHarqProcessesStatus
DL HARQ process status.
FfMacCschedSapProvider::CschedCellConfigReqParameters m_cschedCellConfig
sched cell config
void DoSchedDlCqiInfoReq(const struct FfMacSchedSapProvider::SchedDlCqiInfoReqParameters &params)
Sched DL CQI info request function.
std::vector< uint16_t > m_rachAllocationMap
RACH allocation map.
std::map< uint16_t, uint8_t > m_uesTxMode
txMode of the UEs
void DoSchedUlMacCtrlInfoReq(const struct FfMacSchedSapProvider::SchedUlMacCtrlInfoReqParameters &params)
Sched UL MAC control info request function.
uint8_t m_ulGrantMcs
MCS for UL grant (default 0)
void RefreshDlCqiMaps(void)
Refresh DL CGI maps function.
bool m_harqOn
m_harqOn when false inhibit tte HARQ mechanisms (by default active)
std::map< uint16_t, uint8_t > m_ulHarqCurrentProcessId
UL HARQ current process ID.
std::vector< DlInfoListElement_s > m_dlInfoListBuffered
HARQ retx buffered.
FfMacSchedSapUser * m_schedSapUser
sched SAP user
FfMacCschedSapUser * m_cschedSapUser
csched SAP user
void DoSchedDlPagingBufferReq(const struct FfMacSchedSapProvider::SchedDlPagingBufferReqParameters &params)
Sched DL paging buffer request function.
void DoSchedUlTriggerReq(const struct FfMacSchedSapProvider::SchedUlTriggerReqParameters &params)
Sched UL trigger request function.
void DoCschedUeReleaseReq(const struct FfMacCschedSapProvider::CschedUeReleaseReqParameters &params)
CSched UE release request function.
virtual void SetFfMacCschedSapUser(FfMacCschedSapUser *s)
set the user part of the FfMacCschedSap that this Scheduler will interact with.
void DoCschedUeConfigReq(const struct FfMacCschedSapProvider::CschedUeConfigReqParameters &params)
CSched UE config request function.
std::map< uint16_t, DlHarqProcessesTimer_t > m_dlHarqProcessesTimer
DL HARDQ process timer.
uint16_t m_nextRntiUl
RNTI of the next user to be served next scheduling in UL.
std::map< LteFlowId_t, FfMacSchedSapProvider::SchedDlRlcBufferReqParameters > m_rlcBufferReq
Vectors of UE's LC info.
std::map< uint16_t, uint32_t > m_a30CqiTimers
Map of UE's timers on DL CQI A30 received.
void UpdateUlRlcBufferInfo(uint16_t rnti, uint16_t size)
Update UL RLC b uffer info function.
void DoSchedDlRachInfoReq(const struct FfMacSchedSapProvider::SchedDlRachInfoReqParameters &params)
Sched DL RACH info request function.
void DoCschedLcReleaseReq(const struct FfMacCschedSapProvider::CschedLcReleaseReqParameters &params)
CSched LC release request function.
virtual void SetLteFfrSapProvider(LteFfrSapProvider *s)
Set the Provider part of the LteFfrSap that this Scheduler will interact with.
uint8_t UpdateHarqProcessId(uint16_t rnti)
Update and return a new process Id for the RNTI specified.
Provides the CSCHED SAP.
FfMacCschedSapUser class.
Provides the SCHED SAP.
FfMacSchedSapUser class.
This abstract base class identifies the interface by means of which the helper object can plug on the...
Service Access Point (SAP) offered by the Frequency Reuse algorithm instance to the MAC Scheduler ins...
Definition: lte-ffr-sap.h:40
Service Access Point (SAP) offered by the eNodeB RRC instance to the Frequency Reuse algorithm instan...
Definition: lte-ffr-sap.h:139
MemberCschedSapProvider class.
MemberSchedSapProvider class.
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:74
a unique identifier for an interface.
Definition: type-id.h:59
Every class exported by the ns3 library is enclosed in the ns3 namespace.
std::vector< UlDciListElement_s > UlHarqProcessesDciBuffer_t
UL HARQ process DCI buffer vector.
std::vector< uint8_t > DlHarqProcessesTimer_t
DL HARQ process timer vector typedef.
std::vector< uint8_t > DlHarqProcessesStatus_t
DL HARQ process status vector typedef.
std::vector< RlcPduList_t > DlHarqRlcPduListBuffer_t
vector of the 8 HARQ processes per UE
std::vector< std::vector< struct RlcPduListElement_s > > RlcPduList_t
vector of the LCs and layers per UE
std::vector< DlDciListElement_s > DlHarqProcessesDciBuffer_t
DL HARQ process DCI buffer vector typedef.
std::vector< uint8_t > UlHarqProcessesStatus_t
UL HARQ process status vector.
Parameters of the CSCHED_LC_CONFIG_REQ primitive.
Parameters of the CSCHED_LC_RELEASE_REQ primitive.
Parameters of the CSCHED_UE_CONFIG_REQ primitive.
Parameters of the CSCHED_UE_RELEASE_REQ primitive.
Parameters of the SCHED_DL_CQI_INFO_REQ primitive.
Parameters of the SCHED_DL_MAC_BUFFER_REQ primitive.
Parameters of the SCHED_DL_PAGING_BUFFER_REQ primitive.
Parameters of the SCHED_DL_RACH_INFO_REQ primitive.
Parameters of the SCHED_DL_TRIGGER_REQ primitive.
Parameters of the SCHED_UL_CQI_INFO_REQ primitive.
Parameters of the SCHED_UL_MAC_CTRL_INFO_REQ primitive.
Parameters of the SCHED_UL_NOISE_INTERFERENCE_REQ primitive.
Parameters of the SCHED_UL_SR_INFO_REQ primitive.
Parameters of the SCHED_UL_TRIGGER_REQ primitive.