wifimac::lowerMAC::rateAdaptationStrategies::ARF Class Reference

The ARF Rate Adpation tries to find the maximum MCS with a packet error rate below a given value. More...

#include <lowerMAC/rateAdaptationStrategies/ARF.hpp>

Inheritance diagram for wifimac::lowerMAC::rateAdaptationStrategies::ARF:

[legend]

Collaboration diagram for wifimac::lowerMAC::rateAdaptationStrategies::ARF:

[legend]

List of all members.

Public Member Functions
	ARF (const wns::pyconfig::View &_config, wns::service::dll::UnicastAddress _receiver, wifimac::management::PERInformationBase *_per, wifimac::management::SINRInformationBase *_sinr, wifimac::lowerMAC::Manager *_manager, wifimac::convergence::PhyUser *_phyUser, wns::logger::Logger *_logger)
wifimac::convergence::PhyMode	getPhyMode (size_t numTransmissions, const wns::Ratio lqm) const
	getPhyMode with additional lqm
wifimac::convergence::PhyMode	getPhyMode (size_t numTransmissions) const
	getPhyMode: Return the PhyMode depending on the number of transmissions.
virtual void	setCurrentPhyMode (wifimac::convergence::PhyMode pm)
	Notify the rate adaptation strategy of the used PhyMode.
Private Member Functions
void	onTimeout ()
	Your callback. Implement this.
Private Attributes
const wns::simulator::Time	arfTimer
wifimac::convergence::PhyMode	curPhyMode
const bool	exponentialBackoff
struct wifimac::lowerMAC::rateAdaptationStrategies::ARF::Friends	friends
const int	initialSuccessThreshold
wns::logger::Logger *	logger
const int	maxSuccessThreshold
const wns::service::dll::UnicastAddress	myReceiver
wifimac::management::PERInformationBase *	per
bool	probePacket
int	successThreshold
bool	timeout
Classes
struct	Friends

---

Detailed Description

ARF RA works only using the statistics of received ACKs as a reply to the used MCS. Hence, it slowly increases the rate by selecting high-rate MCSs, until the PER exceeds a given value. Then, it stays at the next lower MCS until the percieved PER changes again.

Definition at line 53 of file ARF.hpp.

---

Constructor & Destructor Documentation

ARF::ARF	(	const wns::pyconfig::View &	_config,
		wns::service::dll::UnicastAddress	_receiver,
		wifimac::management::PERInformationBase *	_per,
		wifimac::management::SINRInformationBase *	_sinr,
		wifimac::lowerMAC::Manager *	_manager,
		wifimac::convergence::PhyUser *	_phyUser,
		wns::logger::Logger *	_logger
	)

Definition at line 38 of file ARF.cpp.

---

Member Function Documentation

wifimac::convergence::PhyMode ARF::getPhyMode	(	size_t	numTransmissions,
		const wns::Ratio	lqm
	)			const [virtual]

Implements wifimac::lowerMAC::rateAdaptationStrategies::IRateAdaptationStrategy.

Reimplemented in wifimac::lowerMAC::rateAdaptationStrategies::SINR.

Definition at line 63 of file ARF.cpp.

wifimac::convergence::PhyMode ARF::getPhyMode

(

size_t

numTransmissions

)

const [virtual]

This method returns the currently selected phyMode of the specific rate adaptation strategy, given the number of transmissions for the frame. This method is const and thus cannot change the internal state of the rate adaptation strategy. Hence, multiple calls to the method at the same simulation time and number of transmissions (e.g. to calculate transmit durations) return ALWAYS the same phyMode.

Implements wifimac::lowerMAC::rateAdaptationStrategies::IRateAdaptationStrategy.

Reimplemented in wifimac::lowerMAC::rateAdaptationStrategies::SINR.

Definition at line 69 of file ARF.cpp.

void ARF::onTimeout

(

)

[private, virtual]

The deriver is forced to implement this method. It gets called, whenever the timer fires.

Implements wns::events::CanTimeout.

Definition at line 163 of file ARF.cpp.

void ARF::setCurrentPhyMode

(

wifimac::convergence::PhyMode

pm

)

[virtual]

Implements wifimac::lowerMAC::rateAdaptationStrategies::IRateAdaptationStrategy.

Reimplemented in wifimac::lowerMAC::rateAdaptationStrategies::SINR.

Definition at line 96 of file ARF.cpp.

---

Member Data Documentation

const wns::simulator::Time wifimac::lowerMAC::rateAdaptationStrategies::ARF::arfTimer [private]

Definition at line 83 of file ARF.hpp.

wifimac::convergence::PhyMode wifimac::lowerMAC::rateAdaptationStrategies::ARF::curPhyMode [private]

Definition at line 98 of file ARF.hpp.

const bool wifimac::lowerMAC::rateAdaptationStrategies::ARF::exponentialBackoff [private]

Definition at line 84 of file ARF.hpp.

struct wifimac::lowerMAC::rateAdaptationStrategies::ARF::Friends wifimac::lowerMAC::rateAdaptationStrategies::ARF::friends [private]

Reimplemented in wifimac::lowerMAC::rateAdaptationStrategies::SINR.

const int wifimac::lowerMAC::rateAdaptationStrategies::ARF::initialSuccessThreshold [private]

Definition at line 85 of file ARF.hpp.

wns::logger::Logger* wifimac::lowerMAC::rateAdaptationStrategies::ARF::logger [private]

Reimplemented in wifimac::lowerMAC::rateAdaptationStrategies::SINR.

Definition at line 96 of file ARF.hpp.

const int wifimac::lowerMAC::rateAdaptationStrategies::ARF::maxSuccessThreshold [private]

Definition at line 86 of file ARF.hpp.

const wns::service::dll::UnicastAddress wifimac::lowerMAC::rateAdaptationStrategies::ARF::myReceiver [private]

Reimplemented in wifimac::lowerMAC::rateAdaptationStrategies::SINR.

Definition at line 82 of file ARF.hpp.

wifimac::management::PERInformationBase* wifimac::lowerMAC::rateAdaptationStrategies::ARF::per [private]

Reimplemented in wifimac::lowerMAC::rateAdaptationStrategies::SINR.

Definition at line 81 of file ARF.hpp.

bool wifimac::lowerMAC::rateAdaptationStrategies::ARF::probePacket [private]

Definition at line 89 of file ARF.hpp.

int wifimac::lowerMAC::rateAdaptationStrategies::ARF::successThreshold [private]

Definition at line 88 of file ARF.hpp.

bool wifimac::lowerMAC::rateAdaptationStrategies::ARF::timeout [private]

Definition at line 87 of file ARF.hpp.

---

The documentation for this class was generated from the following files:

• modules/dll/wifimac/src/lowerMAC/rateAdaptationStrategies/ARF.hpp
• modules/dll/wifimac/src/lowerMAC/rateAdaptationStrategies/ARF.cpp