38 .SetGroupName (
"Wifi")
52 double z = std::sqrt (snr);
53 double ber = 0.5 * erfc (z);
62 double z = std::sqrt (snr / 2.0);
63 double ber = 0.5 * erfc (z);
72 double z = std::sqrt (snr / (5.0 * 2.0));
73 double ber = 0.75 * 0.5 * erfc (z);
74 NS_LOG_INFO (
"16-Qam" <<
" snr=" << snr <<
" ber=" << ber);
82 double z = std::sqrt (snr / (21.0 * 2.0));
83 double ber = 7.0 / 12.0 * 0.5 * erfc (z);
84 NS_LOG_INFO (
"64-Qam" <<
" snr=" << snr <<
" ber=" << ber);
91 double z = std::sqrt (snr / (85.0 * 2.0));
92 double ber = 15.0 / 32.0 * 0.5 * erfc (z);
93 NS_LOG_INFO (
"256-Qam" <<
" snr=" << snr <<
" ber=" << ber);
99 uint32_t bValue)
const
109 double pms = std::pow (1 - pe, (
double)nbits);
115 uint32_t bValue)
const
125 double pms = std::pow (1 - pe, (
double)nbits);
133 double D = std::sqrt (4.0 * p * (1.0 - p));
138 pe = 0.5 * (36.0 * std::pow (D, 10)
139 + 211.0 * std::pow (D, 12)
140 + 1404.0 * std::pow (D, 14)
141 + 11633.0 * std::pow (D, 16)
142 + 77433.0 * std::pow (D, 18)
143 + 502690.0 * std::pow (D, 20)
144 + 3322763.0 * std::pow (D, 22)
145 + 21292910.0 * std::pow (D, 24)
146 + 134365911.0 * std::pow (D, 26));
148 else if (bValue == 2)
151 pe = 1.0 / (2.0 * bValue) *
152 (3.0 * std::pow (D, 6)
153 + 70.0 * std::pow (D, 7)
154 + 285.0 * std::pow (D, 8)
155 + 1276.0 * std::pow (D, 9)
156 + 6160.0 * std::pow (D, 10)
157 + 27128.0 * std::pow (D, 11)
158 + 117019.0 * std::pow (D, 12)
159 + 498860.0 * std::pow (D, 13)
160 + 2103891.0 * std::pow (D, 14)
161 + 8784123.0 * std::pow (D, 15));
163 else if (bValue == 3)
166 pe = 1.0 / (2.0 * bValue) *
167 (42.0 * std::pow (D, 5)
168 + 201.0 * std::pow (D, 6)
169 + 1492.0 * std::pow (D, 7)
170 + 10469.0 * std::pow (D, 8)
171 + 62935.0 * std::pow (D, 9)
172 + 379644.0 * std::pow (D, 10)
173 + 2253373.0 * std::pow (D, 11)
174 + 13073811.0 * std::pow (D, 12)
175 + 75152755.0 * std::pow (D, 13)
176 + 428005675.0 * std::pow (D, 14));
178 else if (bValue == 5)
182 pe = 1.0 / (2.0 * bValue) *
183 (92.0 * std::pow (D, 4.0)
184 + 528.0 * std::pow (D, 5.0)
185 + 8694.0 * std::pow (D, 6.0)
186 + 79453.0 * std::pow (D, 7.0)
187 + 792114.0 * std::pow (D, 8.0)
188 + 7375573.0 * std::pow (D, 9.0)
189 + 67884974.0 * std::pow (D, 10.0)
190 + 610875423.0 * std::pow (D, 11.0)
191 + 5427275376.0 * std::pow (D, 12.0)
192 + 47664215639.0 * std::pow (D, 13.0));
203 uint32_t bValue)
const
213 double pms = std::pow (1 - pe, static_cast<double> (nbits));
219 uint32_t bValue)
const
229 double pms = std::pow (1 - pe, static_cast<double> (nbits));
235 uint32_t bValue)
const
245 double pms = std::pow (1 - pe, static_cast<double> (nbits));
355 NS_ASSERT (
"undefined DSSS/HR-DSSS datarate");
double GetQpskBer(double snr) const
Return BER of QPSK at the given SNR.
static double GetDsssDqpskCck11SuccessRate(double sinr, uint32_t nbits)
Return the chunk success rate of the differential encoded QPSK for 11Mbps data rate.
static TypeId GetTypeId(void)
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by "...
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
enum WifiModulationClass GetModulationClass() const
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file...
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
static double GetDsssDqpskSuccessRate(double sinr, uint32_t nbits)
Return the chunk success rate of the differential encoded QPSK.
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
double GetFec64QamBer(double snr, uint32_t nbits, uint32_t bValue) const
Return BER of QAM64 at the given SNR after applying FEC.
double GetFec16QamBer(double snr, uint32_t nbits, uint32_t bValue) const
Return BER of QAM16 at the given SNR after applying FEC.
represent a single transmission modeA WifiMode is implemented by a single integer which is used to lo...
double GetFec256QamBer(double snr, uint32_t nbits, uint32_t bValue) const
Return BER of QAM256 at the given SNR after applying FEC.
the interface for Wifi's error models
double CalculatePe(double p, uint32_t bValue) const
Return the coded BER for the given p and b.
uint16_t GetConstellationSize(void) const
virtual double GetChunkSuccessRate(WifiMode mode, WifiTxVector txVector, double snr, uint32_t nbits) const
A pure virtual method that must be implemented in the subclass.
enum WifiCodeRate GetCodeRate(void) const
double Get16QamBer(double snr) const
Return BER of QAM16 at the given SNR.
A model for the error rate for different modulations.
uint64_t GetDataRate(uint32_t channelWidth, bool isShortGuardInterval, uint8_t nss) const
double GetFecQpskBer(double snr, uint32_t nbits, uint32_t bValue) const
Return BER of QPSK at the given SNR after applying FEC.
double Get64QamBer(double snr) const
Return BER of QAM64 at the given SNR.
double Get256QamBer(double snr) const
Return BER of QAM256 at the given SNR.
static double GetDsssDqpskCck5_5SuccessRate(double sinr, uint32_t nbits)
Return the chunk success rate of the differential encoded QPSK for 5.5Mbps data rate.
double GetFecBpskBer(double snr, uint32_t nbits, uint32_t bValue) const
Return BER of BPSK at the given SNR after applying FEC.
static double GetDsssDbpskSuccessRate(double sinr, uint32_t nbits)
Return the chunk success rate of the differential BPSK.
WifiMode GetMode(void) const
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
double GetBpskBer(double snr) const
Return BER of BPSK at the given SNR.