Contention

Package: inet.linklayer.ieee80211.mac.contention

Contention

simple module

The default implementation of IContention.

Inheritance diagram

The following diagram shows inheritance relationships for this type. Unresolved types are missing from the diagram.

Used in compound modules

Name Type Description
Dcaf compound module (no description)
Edcaf compound module

IEEE 802.11 Enhanced Distributed Channel Access Function

Parameters

Name Type Default value Description
initialChannelBusy bool true

assume that channel was busy before the simulation started

backoffOptimization bool true

we can pretend the frame has arrived into the queue a little bit earlier, and may be able to start transmitting immediately

Properties

Name Value Description
display i=block/timer

Signals

Name Type Unit
stateChanged long

Statistics

Name Title Source Record Unit Interpolation Mode
state contention state stateChanged vector none

Source code

//
// The default implementation of IContention.
//
simple Contention like IContention
{
    parameters:
        bool initialChannelBusy = default(true); // assume that channel was busy before the simulation started
        bool backoffOptimization = default(true);    // we can pretend the frame has arrived into the queue a little bit earlier, and may be able to start transmitting immediately
        @display("i=block/timer");
        @signal[stateChanged](type=long); // TODO: enum=inet::ieee80211::Contention::State
        @statistic[state](title="contention state"; source=stateChanged; record=vector; interpolationmode=none);
}
File: src/inet/linklayer/ieee80211/mac/contention/Contention.ned