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Lines 246-257
RrpaaWifiManager::CheckInit (RrpaaWifiRemoteStation *station)
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| 246 |
//Initialize at minimal rate and maximal power. |
246 |
//Initialize at minimal rate and maximal power. |
| 247 |
station->m_prevRateIndex = 0; |
247 |
station->m_prevRateIndex = 0; |
| 248 |
station->m_rateIndex = 0; |
248 |
station->m_rateIndex = 0; |
| 249 |
station->m_prevPowerLevel = m_maxPower; |
249 |
station->m_prevPowerLevel = m_nPower - 1; |
| 250 |
station->m_powerLevel = m_maxPower; |
250 |
station->m_powerLevel = m_nPower - 1; |
| 251 |
WifiMode mode = GetSupported (station, 0); |
251 |
WifiMode mode = GetSupported (station, 0); |
| 252 |
uint8_t channelWidth = GetChannelWidth (station); |
252 |
uint8_t channelWidth = GetChannelWidth (station); |
| 253 |
DataRate rate = DataRate (mode.GetDataRate (channelWidth)); |
253 |
DataRate rate = DataRate (mode.GetDataRate (channelWidth)); |
| 254 |
double power = GetPhy ()->GetPowerDbm (m_maxPower); |
254 |
double power = GetPhy ()->GetPowerDbm (station->m_powerLevel); |
| 255 |
m_rateChange (rate, rate, station->m_state->m_address); |
255 |
m_rateChange (rate, rate, station->m_state->m_address); |
| 256 |
m_powerChange (power, power, station->m_state->m_address); |
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m_powerChange (power, power, station->m_state->m_address); |
| 257 |
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Lines 470-476
RrpaaWifiManager::RunBasicAlgorithm (RrpaaWifiRemoteStation *station)
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| 470 |
NS_LOG_DEBUG ("Worst loss prob= " << wploss); |
470 |
NS_LOG_DEBUG ("Worst loss prob= " << wploss); |
| 471 |
if (bploss >= thresholds.m_mtl) |
471 |
if (bploss >= thresholds.m_mtl) |
| 472 |
{ |
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{ |
| 473 |
if (station->m_powerLevel < m_maxPower) |
473 |
if (station->m_powerLevel < m_nPower - 1) |
| 474 |
{ |
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{ |
| 475 |
NS_LOG_DEBUG ("bploss >= MTL and power < maxPower => Increase Power"); |
475 |
NS_LOG_DEBUG ("bploss >= MTL and power < maxPower => Increase Power"); |
| 476 |
station->m_pdTable[station->m_rateIndex][station->m_powerLevel] /= m_gamma; |
476 |
station->m_pdTable[station->m_rateIndex][station->m_powerLevel] /= m_gamma; |
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Lines 505-511
RrpaaWifiManager::RunBasicAlgorithm (RrpaaWifiRemoteStation *station)
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| 505 |
{ |
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{ |
| 506 |
station->m_pdTable[i][station->m_powerLevel] = 1; |
506 |
station->m_pdTable[i][station->m_powerLevel] = 1; |
| 507 |
} |
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} |
| 508 |
NS_LOG_DEBUG ("pdTable[" << i << "][" << station->m_powerLevel << "] = " << station->m_pdTable[i][station->m_powerLevel]); |
508 |
NS_LOG_DEBUG ("pdTable[" << i << "][" << (int)station->m_powerLevel << "] = " << station->m_pdTable[i][station->m_powerLevel]); |
| 509 |
} |
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} |
| 510 |
double rand = m_uniformRandomVariable->GetValue (0,1); |
510 |
double rand = m_uniformRandomVariable->GetValue (0,1); |
| 511 |
if (rand < station->m_pdTable[station->m_rateIndex + 1][station->m_powerLevel]) |
511 |
if (rand < station->m_pdTable[station->m_rateIndex + 1][station->m_powerLevel]) |
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Lines 519-525
RrpaaWifiManager::RunBasicAlgorithm (RrpaaWifiRemoteStation *station)
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| 519 |
NS_LOG_DEBUG ("wploss <= ORI and rate = maxRate => Probabilistic Power Decrease"); |
519 |
NS_LOG_DEBUG ("wploss <= ORI and rate = maxRate => Probabilistic Power Decrease"); |
| 520 |
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| 521 |
// Recalculate probabilities of higher powers. |
521 |
// Recalculate probabilities of higher powers. |
| 522 |
for (uint32_t i = m_maxPower; i > station->m_powerLevel; i--) |
522 |
for (uint32_t i = m_nPower - 1; i > station->m_powerLevel; i--) |
| 523 |
{ |
523 |
{ |
| 524 |
station->m_pdTable[station->m_rateIndex][i] *= m_delta; |
524 |
station->m_pdTable[station->m_rateIndex][i] *= m_delta; |
| 525 |
if (station->m_pdTable[station->m_rateIndex][i] > 1) |
525 |
if (station->m_pdTable[station->m_rateIndex][i] > 1) |
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Lines 544-550
RrpaaWifiManager::RunBasicAlgorithm (RrpaaWifiRemoteStation *station)
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| 544 |
NS_LOG_DEBUG ("loss between ORI and MTL and power > minPower => Probabilistic Power Decrease"); |
544 |
NS_LOG_DEBUG ("loss between ORI and MTL and power > minPower => Probabilistic Power Decrease"); |
| 545 |
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| 546 |
// Recalculate probabilities of higher powers. |
546 |
// Recalculate probabilities of higher powers. |
| 547 |
for (uint32_t i = m_maxPower; i >= station->m_powerLevel; i--) |
547 |
for (uint32_t i = m_nPower - 1; i >= station->m_powerLevel; i--) |
| 548 |
{ |
548 |
{ |
| 549 |
station->m_pdTable[station->m_rateIndex][i] *= m_delta; |
549 |
station->m_pdTable[station->m_rateIndex][i] *= m_delta; |
| 550 |
if (station->m_pdTable[station->m_rateIndex][i] > 1) |
550 |
if (station->m_pdTable[station->m_rateIndex][i] > 1) |