23#include "ns3/assert.h"
298 NS_LOG_FUNCTION(
this << +number << frequency << width << standard << band);
300 auto channelIt =
FindFirst(number, frequency, width, standard, band);
303 FindFirst(number, frequency, width, standard, band, std::next(channelIt)) ==
313 throw std::runtime_error(
314 "WifiPhyOperatingChannel: No unique channel found given the specified criteria");
330 auto channelIt =
FindFirst(0, 0, width, standard, band);
335 return std::get<0>(*channelIt);
339 throw std::runtime_error(
"WifiPhyOperatingChannel: No default channel found of the given width "
340 "and for the given PHY standard and band");
353 if (number != 0 && std::get<0>(
channel) != number)
357 if (frequency != 0 && std::get<1>(
channel) != frequency)
361 if (width != 0 && std::get<2>(
channel) != width)
370 if (std::get<4>(
channel) != band)
382 (std::find(standardIt->second.cbegin(), standardIt->second.cend(), band) ==
383 standardIt->second.cend() ||
446 if (primaryChannelWidth % 20 != 0)
448 NS_LOG_DEBUG(
"The operating channel width is not a multiple of 20 MHz; return 0");
459 while (width < primaryChannelWidth)
473 const uint8_t secondaryIndex =
474 (primaryIndex % 2 == 0) ? (primaryIndex + 1) : (primaryIndex - 1);
475 NS_LOG_LOGIC(
"Return secondary index " << +secondaryIndex);
476 return secondaryIndex;
503 return (primaryIndex % 2 == 0) ? (primaryCenterFrequency + secondaryChannelWidth)
504 : (primaryCenterFrequency - secondaryChannelWidth);
512 auto& [chanNumber, centerFreq, channelWidth, channelType, band] = *
m_channelIt;
513 auto primaryChanIt =
FindFirst(0, frequency, primaryChannelWidth, standard, band);
514 return std::get<0>(*primaryChanIt);
526 uint16_t currWidth = 20;
527 std::set<uint8_t> indices;
530 while (currWidth < width)
547 const std::set<uint8_t>& primaryIndices)
const
549 if (primaryIndices.empty() ||
GetWidth() == 20)
555 uint16_t primaryWidth = 20;
558 while (size != primaryIndices.size())
571 std::set<uint8_t> secondaryIndices;
572 for (
const auto& index : primaryIndices)
574 secondaryIndices.insert(index ^ size);
577 return secondaryIndices;
Class that keeps track of all information about the current PHY operating channel.
bool IsSet() const
Return true if a valid channel has been set, false otherwise.
WifiPhyOperatingChannel()
Create an uninitialized PHY operating channel.
static const std::set< FrequencyChannelInfo > m_frequencyChannels
Available frequency channels.
uint16_t GetSecondaryChannelCenterFrequency(uint16_t secondaryChannelWidth) const
Get the center frequency of the secondary channel of the given width.
bool IsDsss() const
Return whether the operating channel is a DSSS channel.
uint8_t GetPrimaryChannelIndex(uint16_t primaryChannelWidth) const
If the operating channel width is a multiple of 20 MHz, return the index of the primary channel of th...
void SetPrimary20Index(uint8_t index)
Set the index of the primary 20 MHz channel (0 indicates the 20 MHz subchannel with the lowest center...
ConstIterator m_channelIt
const iterator pointing to the configured frequency channel
static ConstIterator FindFirst(uint8_t number, uint16_t frequency, uint16_t width, WifiStandard standard, WifiPhyBand band, ConstIterator start=m_frequencyChannels.begin())
Find the first channel matching the specified parameters.
void Set(uint8_t number, uint16_t frequency, uint16_t width, WifiStandard standard, WifiPhyBand band)
Set the channel according to the specified parameters if a unique frequency channel matches the speci...
bool Is80211p() const
Return whether the operating channel is an 802.11p channel.
uint8_t GetPrimaryChannelNumber(uint16_t primaryChannelWidth, WifiStandard standard) const
Get channel number of the primary channel.
void SetDefault(uint16_t width, WifiStandard standard, WifiPhyBand band)
Set the default channel of the given width and for the given standard and band.
bool IsOfdm() const
Return whether the operating channel is an OFDM channel.
uint16_t GetWidth() const
Return the width of the whole operating channel (in MHz).
static uint8_t GetDefaultChannelNumber(uint16_t width, WifiStandard standard, WifiPhyBand band)
Get the default channel number of the given width and for the given standard and band.
std::set< uint8_t > GetAll20MHzChannelIndicesInSecondary(uint16_t width) const
Get the channel indices of all the 20 MHz channels included in the secondary channel of the given wid...
uint8_t GetSecondaryChannelIndex(uint16_t secondaryChannelWidth) const
If the operating channel width is made of a multiple of 20 MHz, return the index of the secondary cha...
uint8_t m_primary20Index
index of the primary20 channel (0 indicates the 20 MHz subchannel with the lowest center frequency)
std::set< uint8_t > GetAll20MHzChannelIndicesInPrimary(uint16_t width) const
Get the channel indices of all the 20 MHz channels included in the primary channel of the given width...
WifiPhyBand GetPhyBand() const
Return the PHY band of the operating channel.
uint8_t GetNumber() const
Return the channel number identifying the whole operating channel.
uint16_t GetPrimaryChannelCenterFrequency(uint16_t primaryChannelWidth) const
Get the center frequency of the primary channel of the given width.
virtual ~WifiPhyOperatingChannel()
std::set< FrequencyChannelInfo >::const_iterator ConstIterator
Typedef for a const iterator pointing to a channel in the set of available channels.
uint16_t GetFrequency() const
Return the center frequency of the operating channel (in MHz).
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
#define NS_ABORT_MSG_IF(cond, msg)
Abnormal program termination if a condition is true, with a message.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
WifiStandard
Identifies the IEEE 802.11 specifications that a Wifi device can be configured to use.
WifiPhyBand
Identifies the PHY band.
@ WIFI_STANDARD_UNSPECIFIED
@ WIFI_PHY_80211p_CHANNEL
@ WIFI_PHY_BAND_6GHZ
The 6 GHz band.
@ WIFI_PHY_BAND_2_4GHZ
The 2.4 GHz band.
@ WIFI_PHY_BAND_5GHZ
The 5 GHz band.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
std::tuple< uint8_t, uint16_t, uint16_t, FrequencyChannelType, WifiPhyBand > FrequencyChannelInfo
A tuple (number, frequency, width, type, band) identifying a frequency channel.
const std::map< WifiStandard, std::list< WifiPhyBand > > wifiStandards
map a given standard configured by the user to the allowed PHY bands
FrequencyChannelType GetFrequencyChannelType(WifiStandard standard)
Get the type of the frequency channel for the given standard.
uint16_t GetMaximumChannelWidth(WifiStandard standard)
Get the maximum channel width in MHz allowed for the given standard.