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interference-helper.h
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1/*
2 * Copyright (c) 2005,2006 INRIA
3 *
4 * SPDX-License-Identifier: GPL-2.0-only
5 *
6 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
7 */
8
9#ifndef INTERFERENCE_HELPER_H
10#define INTERFERENCE_HELPER_H
11
12#include "phy-entity.h"
13
14#include "ns3/object.h"
15
16namespace ns3
17{
18
19class WifiPpdu;
20class WifiPsdu;
21class ErrorRateModel;
22
23/**
24 * @ingroup wifi
25 * @brief handles interference calculations
26 * @brief signal event for a PPDU.
27 */
28class Event : public SimpleRefCount<Event>
29{
30 public:
31 /**
32 * Create an Event with the given parameters. Note that <i>rxPower</i> will
33 * be moved into this object.
34 *
35 * @param ppdu the PPDU
36 * @param duration duration of the PPDU
37 * @param rxPower the received power per band (W)
38 */
40
41 /**
42 * Return the PPDU.
43 *
44 * @return the PPDU
45 */
47 /**
48 * Return the start time of the signal.
49 *
50 * @return the start time of the signal
51 */
52 Time GetStartTime() const;
53 /**
54 * Return the end time of the signal.
55 *
56 * @return the end time of the signal
57 */
58 Time GetEndTime() const;
59 /**
60 * Return the duration of the signal.
61 *
62 * @return the duration of the signal
63 */
64 Time GetDuration() const;
65 /**
66 * Return the total received power.
67 *
68 * @return the total received power
69 */
70 Watt_u GetRxPower() const;
71 /**
72 * Return the received power for a given band.
73 *
74 * @param band the band for which the power should be returned
75 * @return the received power for a given band
76 */
77 Watt_u GetRxPower(const WifiSpectrumBandInfo& band) const;
78 /**
79 * Return the received power (W) for all bands.
80 *
81 * @return the received power (W) for all bands.
82 */
84 /**
85 * Update the received power (W) for all bands, i.e. add up the received power
86 * to the current received power, for each band.
87 *
88 * @param rxPower the received power (W) for all bands.
89 */
90 void UpdateRxPowerW(const RxPowerWattPerChannelBand& rxPower);
91 /**
92 * Update the PPDU that initially generated the event.
93 * This is needed to have the PPDU holding the correct TXVECTOR
94 * upon reception of multiple signals carring the same content
95 * but over different channel width (typically non-HT duplicates).
96 *
97 * @param ppdu the new PPDU to use for this event.
98 */
100
101 private:
103 Time m_startTime; //!< start time
104 Time m_endTime; //!< end time
105 RxPowerWattPerChannelBand m_rxPowerW; //!< received power in watts per band
106};
107
108/**
109 * @brief Stream insertion operator.
110 *
111 * @param os the stream
112 * @param event the event
113 * @returns a reference to the stream
114 */
115std::ostream& operator<<(std::ostream& os, const Event& event);
116
117/**
118 * @ingroup wifi
119 * @brief handles interference calculations
120 */
122{
123 public:
125 ~InterferenceHelper() override;
126
127 /**
128 * @brief Get the type ID.
129 * @return the object TypeId
130 */
131 static TypeId GetTypeId();
132
133 /**
134 * Add a frequency band.
135 *
136 * @param band the band to be added
137 */
138 void AddBand(const WifiSpectrumBandInfo& band);
139
140 /**
141 * Remove a frequency band.
142 *
143 * @param band the band to be removed
144 */
145 void RemoveBand(const WifiSpectrumBandInfo& band);
146
147 /**
148 * Check whether bands are already tracked by this interference helper.
149 *
150 * @return true if bands are tracked by this interference helper, false otherwise
151 */
152 bool HasBands() const;
153
154 /**
155 * Update the frequency bands that belongs to a given frequency range when the spectrum model is
156 * changed.
157 *
158 * @param bands the bands to be added in the new spectrum model
159 * @param freqRange the frequency range the bands belong to
160 */
161 void UpdateBands(const std::vector<WifiSpectrumBandInfo>& bands,
162 const FrequencyRange& freqRange);
163
164 /**
165 * Set the noise figure.
166 *
167 * @param value noise figure in linear scale
168 */
169 void SetNoiseFigure(double value);
170 /**
171 * Set the error rate model for this interference helper.
172 *
173 * @param rate Error rate model
174 */
175 void SetErrorRateModel(const Ptr<ErrorRateModel> rate);
176
177 /**
178 * Return the error rate model.
179 *
180 * @return Error rate model
181 */
183 /**
184 * Set the number of RX antennas in the receiver corresponding to this
185 * interference helper.
186 *
187 * @param rx the number of RX antennas
188 */
189 void SetNumberOfReceiveAntennas(uint8_t rx);
190
191 /**
192 * @param energy the minimum energy requested
193 * @param band identify the requested band
194 *
195 * @returns the expected amount of time the observed
196 * energy on the medium for a given band will
197 * be higher than the requested threshold.
198 */
200
201 /**
202 * Add the PPDU-related signal to interference helper.
203 *
204 * @param ppdu the PPDU
205 * @param duration the PPDU duration
206 * @param rxPower received power per band (W)
207 * @param freqRange the frequency range in which the received signal is detected
208 * @param isStartHePortionRxing flag whether the event corresponds to the start of the HE
209 * portion reception (only used for MU)
210 *
211 * @return Event
212 */
214 Time duration,
216 const FrequencyRange& freqRange,
217 bool isStartHePortionRxing = false);
218
219 /**
220 * Add a non-Wifi signal to interference helper.
221 * @param duration the duration of the signal
222 * @param rxPower received power per band (W)
223 * @param freqRange the frequency range in which the received signal is detected
224 */
225 void AddForeignSignal(Time duration,
227 const FrequencyRange& freqRange);
228 /**
229 * Calculate the SNIR at the start of the payload and accumulate
230 * all SNIR changes in the SNIR vector for each MPDU of an A-MPDU.
231 * This workaround is required in order to provide one PER per MPDU, for
232 * reception success/failure evaluation, while hiding aggregation details from
233 * this class.
234 *
235 * @param event the event corresponding to the first time the corresponding PPDU arrives
236 * @param channelWidth the channel width used to transmit the PSDU
237 * @param band identify the band used by the PSDU
238 * @param staId the station ID of the PSDU (only used for MU)
239 * @param relativeMpduStartStop the time window (pair of start and end times) of PHY payload to
240 * focus on
241 *
242 * @return struct of SNR and PER (with PER being evaluated over the provided time window)
243 */
245 MHz_u channelWidth,
246 const WifiSpectrumBandInfo& band,
247 uint16_t staId,
248 std::pair<Time, Time> relativeMpduStartStop) const;
249 /**
250 * Calculate the SNIR for the event (starting from now until the event end).
251 *
252 * @param event the event corresponding to the first time the corresponding PPDU arrives
253 * @param channelWidth the channel width
254 * @param nss the number of spatial streams
255 * @param band identify the band used by the PSDU
256 *
257 * @return the SNR for the PPDU in linear scale
258 */
259 double CalculateSnr(Ptr<Event> event,
260 MHz_u channelWidth,
261 uint8_t nss,
262 const WifiSpectrumBandInfo& band) const;
263 /**
264 * Calculate the SNIR at the start of the PHY header and accumulate
265 * all SNIR changes in the SNIR vector.
266 *
267 * @param event the event corresponding to the first time the corresponding PPDU arrives
268 * @param channelWidth the channel width for header measurement
269 * @param band identify the band used by the PSDU
270 * @param header the PHY header to consider
271 *
272 * @return struct of SNR and PER
273 */
275 MHz_u channelWidth,
276 const WifiSpectrumBandInfo& band,
277 WifiPpduField header) const;
278
279 /**
280 * Notify that RX has started.
281 * @param freqRange the frequency range in which the received signal event is detected
282 */
283 void NotifyRxStart(const FrequencyRange& freqRange);
284 /**
285 * Notify that RX has ended.
286 *
287 * @param endTime the end time of the signal
288 * @param freqRange the frequency range in which the received signal event was detected
289 */
290 void NotifyRxEnd(Time endTime, const FrequencyRange& freqRange);
291
292 /**
293 * Update event to scale its received power (W) per band.
294 *
295 * @param event the event to be updated
296 * @param rxPower the received power (W) per band to be added to the current event
297 */
298 void UpdateEvent(Ptr<Event> event, const RxPowerWattPerChannelBand& rxPower);
299
300 protected:
301 void DoDispose() override;
302
303 /**
304 * Calculate SNR (linear ratio) from the given signal power and noise+interference power.
305 *
306 * @param signal signal power
307 * @param noiseInterference noise and interference power
308 * @param channelWidth signal width
309 * @param nss the number of spatial streams
310 *
311 * @return SNR in linear scale
312 */
313 double CalculateSnr(Watt_u signal,
314 Watt_u noiseInterference,
315 MHz_u channelWidth,
316 uint8_t nss) const;
317 /**
318 * Calculate the success rate of the chunk given the SINR, duration, and TXVECTOR.
319 * The duration and TXVECTOR are used to calculate how many bits are present in the chunk.
320 *
321 * @param snir the SINR
322 * @param duration the duration of the chunk
323 * @param mode the WifiMode
324 * @param txVector the TXVECTOR
325 * @param field the PPDU field to which the chunk belongs to
326 *
327 * @return the success rate
328 */
329 double CalculateChunkSuccessRate(double snir,
330 Time duration,
331 WifiMode mode,
332 const WifiTxVector& txVector,
333 WifiPpduField field) const;
334 /**
335 * Calculate the success rate of the payload chunk given the SINR, duration, and TXVECTOR.
336 * The duration and TXVECTOR are used to calculate how many bits are present in the payload
337 * chunk.
338 *
339 * @param snir the SINR
340 * @param duration the duration of the chunk
341 * @param txVector the TXVECTOR
342 * @param staId the station ID of the PSDU (only used for MU)
343 *
344 * @return the success rate
345 */
346 double CalculatePayloadChunkSuccessRate(double snir,
347 Time duration,
348 const WifiTxVector& txVector,
349 uint16_t staId = SU_STA_ID) const;
350
351 protected:
352 std::map<FrequencyRange, bool>
353 m_rxing; //!< flag whether it is in receiving state for a given FrequencyRange
354
355 /**
356 * Noise and Interference (thus Ni) event.
357 */
359 {
360 public:
361 /**
362 * Create a NiChange at the given time and the amount of NI change.
363 *
364 * @param power the power
365 * @param event causes this NI change
366 */
367 NiChange(Watt_u power, Ptr<Event> event);
368 ~NiChange();
369 /**
370 * Return the power
371 *
372 * @return the power
373 */
374 Watt_u GetPower() const;
375 /**
376 * Add a given amount of power.
377 *
378 * @param power the power to be added to the existing value
379 */
380 void AddPower(Watt_u power);
381 /**
382 * Return the event causes the corresponding NI change
383 *
384 * @return the event
385 */
386 Ptr<Event> GetEvent() const;
387
388 private:
389 Watt_u m_power; ///< power
390 Ptr<Event> m_event; ///< event
391 };
392
393 /**
394 * typedef for a multimap of NiChange
395 */
396 using NiChanges = std::multimap<Time, NiChange>;
397
398 /**
399 * Map of NiChanges per band
400 */
401 using NiChangesPerBand = std::map<WifiSpectrumBandInfo, NiChanges>;
402
403 /**
404 * Map of first power per band
405 */
406 using FirstPowerPerBand = std::map<WifiSpectrumBandInfo, Watt_u>;
407
408 NiChangesPerBand m_niChanges; //!< NI Changes for each band
409
410 private:
411 /**
412 * Check whether a given band is tracked by this interference helper.
413 *
414 * @param band the band to be checked
415 * @return true if the band is already tracked by this interference helper, false otherwise
416 */
417 bool HasBand(const WifiSpectrumBandInfo& band) const;
418
419 /**
420 * Check whether a given band belongs to a given frequency range.
421 *
422 * @param band the band to be checked
423 * @param freqRange the frequency range to check whether the band belong to
424 * @return true if the band belongs to the frequency range, false otherwise
425 */
427 const FrequencyRange& freqRange) const;
428
429 /**
430 * Append the given Event.
431 *
432 * @param event the event to be appended
433 * @param freqRange the frequency range in which the received signal event is detected
434 * @param isStartHePortionRxing flag whether event corresponds to the start of the HE portion
435 * reception (only used for MU)
436 */
437 void AppendEvent(Ptr<Event> event, const FrequencyRange& freqRange, bool isStartHePortionRxing);
438
439 /**
440 * Calculate noise and interference power.
441 *
442 * @param event the event
443 * @param nis the NiChanges
444 * @param band the band
445 *
446 * @return noise and interference power
447 */
449 NiChangesPerBand& nis,
450 const WifiSpectrumBandInfo& band) const;
451
452 /**
453 * Calculate power of all other events preceding a given event that belong to the same MU-MIMO
454 * transmission.
455 *
456 * @param event the event
457 * @param band the band
458 *
459 * @return the power of all other events preceding the event that belong to the same MU-MIMO
460 * transmission
461 */
463
464 /**
465 * Calculate the error rate of the given PHY payload only in the provided time
466 * window (thus enabling per MPDU PER information). The PHY payload can be divided into
467 * multiple chunks (e.g. due to interference from other transmissions).
468 *
469 * @param event the event
470 * @param channelWidth the channel width used to transmit the PSDU
471 * @param nis the NiChanges
472 * @param band identify the band used by the PSDU
473 * @param staId the station ID of the PSDU (only used for MU)
474 * @param window time window (pair of start and end times) of PHY payload to focus on
475 *
476 * @return the error rate of the payload
477 */
479 MHz_u channelWidth,
480 NiChangesPerBand* nis,
481 const WifiSpectrumBandInfo& band,
482 uint16_t staId,
483 std::pair<Time, Time> window) const;
484 /**
485 * Calculate the error rate of the PHY header. The PHY header
486 * can be divided into multiple chunks (e.g. due to interference from other transmissions).
487 *
488 * @param event the event
489 * @param nis the NiChanges
490 * @param channelWidth the channel width for header measurement
491 * @param band the band
492 * @param header the PHY header to consider
493 *
494 * @return the error rate of the HT PHY header
495 */
497 NiChangesPerBand* nis,
498 MHz_u channelWidth,
499 const WifiSpectrumBandInfo& band,
500 WifiPpduField header) const;
501 /**
502 * Calculate the success rate of the PHY header sections for the provided event.
503 *
504 * @param event the event
505 * @param nis the NiChanges
506 * @param channelWidth the channel width for header measurement
507 * @param band the band
508 * @param phyHeaderSections the map of PHY header sections (\see PhyEntity::PhyHeaderSections)
509 *
510 * @return the success rate of the PHY header sections
511 */
513 NiChangesPerBand* nis,
514 MHz_u channelWidth,
515 const WifiSpectrumBandInfo& band,
516 PhyEntity::PhyHeaderSections phyHeaderSections) const;
517
518 double m_noiseFigure; //!< noise figure (linear)
520 uint8_t m_numRxAntennas; //!< the number of RX antennas in the corresponding receiver
521 FirstPowerPerBand m_firstPowers; //!< first power of each band
522
523 /**
524 * Returns an iterator to the first NiChange that is later than moment
525 *
526 * @param moment time to check from
527 * @param niIt iterator of the band to check
528 * @returns an iterator to the list of NiChanges
529 */
530 NiChanges::iterator GetNextPosition(Time moment, NiChangesPerBand::iterator niIt);
531 /**
532 * Returns an iterator to the last NiChange that is before than moment
533 *
534 * @param moment time to check from
535 * @param niIt iterator of the band to check
536 * @returns an iterator to the list of NiChanges
537 */
538 NiChanges::iterator GetPreviousPosition(Time moment, NiChangesPerBand::iterator niIt);
539
540 /**
541 * Add NiChange to the list at the appropriate position and
542 * return the iterator of the new event.
543 *
544 * @param moment time to check from
545 * @param change the NiChange to add
546 * @param niIt iterator of the band to check
547 * @returns the iterator of the new event
548 */
549 NiChanges::iterator AddNiChangeEvent(Time moment,
550 NiChange change,
551 NiChangesPerBand::iterator niIt);
552
553 /**
554 * Return whether another event is a MU-MIMO event that belongs to the same transmission and to
555 * the same RU.
556 *
557 * @param currentEvent the current event that is being inspected
558 * @param otherEvent the other event to compare against
559 *
560 * @return whether both events belong to the same transmission and to the same RU
561 */
562 bool IsSameMuMimoTransmission(Ptr<const Event> currentEvent, Ptr<const Event> otherEvent) const;
563};
564
565} // namespace ns3
566
567#endif /* INTERFERENCE_HELPER_H */
handles interference calculations
Time m_endTime
end time
Watt_u GetRxPower() const
Return the total received power.
Time m_startTime
start time
Event(Ptr< const WifiPpdu > ppdu, Time duration, RxPowerWattPerChannelBand &&rxPower)
Create an Event with the given parameters.
Ptr< const WifiPpdu > GetPpdu() const
Return the PPDU.
Ptr< const WifiPpdu > m_ppdu
PPDU.
void UpdateRxPowerW(const RxPowerWattPerChannelBand &rxPower)
Update the received power (W) for all bands, i.e.
Time GetEndTime() const
Return the end time of the signal.
Time GetDuration() const
Return the duration of the signal.
const RxPowerWattPerChannelBand & GetRxPowerPerBand() const
Return the received power (W) for all bands.
RxPowerWattPerChannelBand m_rxPowerW
received power in watts per band
Time GetStartTime() const
Return the start time of the signal.
void UpdatePpdu(Ptr< const WifiPpdu > ppdu)
Update the PPDU that initially generated the event.
Noise and Interference (thus Ni) event.
void AddPower(Watt_u power)
Add a given amount of power.
NiChange(Watt_u power, Ptr< Event > event)
Create a NiChange at the given time and the amount of NI change.
Watt_u GetPower() const
Return the power.
Ptr< Event > GetEvent() const
Return the event causes the corresponding NI change.
handles interference calculations
std::map< WifiSpectrumBandInfo, Watt_u > FirstPowerPerBand
Map of first power per band.
double CalculatePhyHeaderPer(Ptr< const Event > event, NiChangesPerBand *nis, MHz_u channelWidth, const WifiSpectrumBandInfo &band, WifiPpduField header) const
Calculate the error rate of the PHY header.
void SetNoiseFigure(double value)
Set the noise figure.
Ptr< Event > Add(Ptr< const WifiPpdu > ppdu, Time duration, RxPowerWattPerChannelBand &rxPower, const FrequencyRange &freqRange, bool isStartHePortionRxing=false)
Add the PPDU-related signal to interference helper.
double m_noiseFigure
noise figure (linear)
std::map< FrequencyRange, bool > m_rxing
flag whether it is in receiving state for a given FrequencyRange
Ptr< ErrorRateModel > GetErrorRateModel() const
Return the error rate model.
NiChanges::iterator AddNiChangeEvent(Time moment, NiChange change, NiChangesPerBand::iterator niIt)
Add NiChange to the list at the appropriate position and return the iterator of the new event.
std::map< WifiSpectrumBandInfo, NiChanges > NiChangesPerBand
Map of NiChanges per band.
void NotifyRxStart(const FrequencyRange &freqRange)
Notify that RX has started.
uint8_t m_numRxAntennas
the number of RX antennas in the corresponding receiver
bool IsBandInFrequencyRange(const WifiSpectrumBandInfo &band, const FrequencyRange &freqRange) const
Check whether a given band belongs to a given frequency range.
void DoDispose() override
Destructor implementation.
std::multimap< Time, NiChange > NiChanges
typedef for a multimap of NiChange
Time GetEnergyDuration(Watt_u energy, const WifiSpectrumBandInfo &band)
NiChangesPerBand m_niChanges
NI Changes for each band.
void UpdateBands(const std::vector< WifiSpectrumBandInfo > &bands, const FrequencyRange &freqRange)
Update the frequency bands that belongs to a given frequency range when the spectrum model is changed...
void SetErrorRateModel(const Ptr< ErrorRateModel > rate)
Set the error rate model for this interference helper.
bool HasBands() const
Check whether bands are already tracked by this interference helper.
void AddForeignSignal(Time duration, RxPowerWattPerChannelBand &rxPower, const FrequencyRange &freqRange)
Add a non-Wifi signal to interference helper.
PhyEntity::SnrPer CalculatePayloadSnrPer(Ptr< Event > event, MHz_u channelWidth, const WifiSpectrumBandInfo &band, uint16_t staId, std::pair< Time, Time > relativeMpduStartStop) const
Calculate the SNIR at the start of the payload and accumulate all SNIR changes in the SNIR vector for...
double CalculatePayloadChunkSuccessRate(double snir, Time duration, const WifiTxVector &txVector, uint16_t staId=SU_STA_ID) const
Calculate the success rate of the payload chunk given the SINR, duration, and TXVECTOR.
Ptr< ErrorRateModel > m_errorRateModel
error rate model
double CalculatePhyHeaderSectionPsr(Ptr< const Event > event, NiChangesPerBand *nis, MHz_u channelWidth, const WifiSpectrumBandInfo &band, PhyEntity::PhyHeaderSections phyHeaderSections) const
Calculate the success rate of the PHY header sections for the provided event.
NiChanges::iterator GetNextPosition(Time moment, NiChangesPerBand::iterator niIt)
Returns an iterator to the first NiChange that is later than moment.
FirstPowerPerBand m_firstPowers
first power of each band
PhyEntity::SnrPer CalculatePhyHeaderSnrPer(Ptr< Event > event, MHz_u channelWidth, const WifiSpectrumBandInfo &band, WifiPpduField header) const
Calculate the SNIR at the start of the PHY header and accumulate all SNIR changes in the SNIR vector.
bool IsSameMuMimoTransmission(Ptr< const Event > currentEvent, Ptr< const Event > otherEvent) const
Return whether another event is a MU-MIMO event that belongs to the same transmission and to the same...
double CalculateChunkSuccessRate(double snir, Time duration, WifiMode mode, const WifiTxVector &txVector, WifiPpduField field) const
Calculate the success rate of the chunk given the SINR, duration, and TXVECTOR.
bool HasBand(const WifiSpectrumBandInfo &band) const
Check whether a given band is tracked by this interference helper.
void AddBand(const WifiSpectrumBandInfo &band)
Add a frequency band.
Watt_u CalculateMuMimoPowerW(Ptr< const Event > event, const WifiSpectrumBandInfo &band) const
Calculate power of all other events preceding a given event that belong to the same MU-MIMO transmiss...
NiChanges::iterator GetPreviousPosition(Time moment, NiChangesPerBand::iterator niIt)
Returns an iterator to the last NiChange that is before than moment.
void AppendEvent(Ptr< Event > event, const FrequencyRange &freqRange, bool isStartHePortionRxing)
Append the given Event.
static TypeId GetTypeId()
Get the type ID.
void UpdateEvent(Ptr< Event > event, const RxPowerWattPerChannelBand &rxPower)
Update event to scale its received power (W) per band.
void RemoveBand(const WifiSpectrumBandInfo &band)
Remove a frequency band.
void NotifyRxEnd(Time endTime, const FrequencyRange &freqRange)
Notify that RX has ended.
Watt_u CalculateNoiseInterferenceW(Ptr< Event > event, NiChangesPerBand &nis, const WifiSpectrumBandInfo &band) const
Calculate noise and interference power.
void SetNumberOfReceiveAntennas(uint8_t rx)
Set the number of RX antennas in the receiver corresponding to this interference helper.
double CalculateSnr(Ptr< Event > event, MHz_u channelWidth, uint8_t nss, const WifiSpectrumBandInfo &band) const
Calculate the SNIR for the event (starting from now until the event end).
double CalculatePayloadPer(Ptr< const Event > event, MHz_u channelWidth, NiChangesPerBand *nis, const WifiSpectrumBandInfo &band, uint16_t staId, std::pair< Time, Time > window) const
Calculate the error rate of the given PHY payload only in the provided time window (thus enabling per...
A base class which provides memory management and object aggregation.
Definition object.h:78
std::map< WifiPpduField, PhyHeaderChunkInfo > PhyHeaderSections
A map of PhyHeaderChunkInfo elements per PPDU field.
Definition phy-entity.h:294
Smart pointer class similar to boost::intrusive_ptr.
A template-based reference counting class.
Simulation virtual time values and global simulation resolution.
Definition nstime.h:94
a unique identifier for an interface.
Definition type-id.h:48
represent a single transmission mode
Definition wifi-mode.h:40
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
WifiPpduField
The type of PPDU field (grouped for convenience)
Every class exported by the ns3 library is enclosed in the ns3 namespace.
std::ostream & operator<<(std::ostream &os, const Angles &a)
Definition angles.cc:148
std::map< WifiSpectrumBandInfo, Watt_u > RxPowerWattPerChannelBand
A map of the received power for each band.
Definition phy-entity.h:45
static constexpr uint16_t SU_STA_ID
STA_ID to identify a single user (SU)
Definition wifi-mode.h:24
Declaration of:
Struct defining a frequency range between minFrequency and maxFrequency.
A struct for both SNR and PER.
Definition phy-entity.h:115
WifiSpectrumBandInfo structure containing info about a spectrum band.