IEEE 802.11 Enhanced Distributed Channel Access Function

Usage diagram

The following diagram shows usage relationships between types. Unresolved types are missing from the diagram.

Used in compound modules

Name	Type	Description
Edca	compound module	(no description)

Parameters

Name	Type	Default value	Description
accessCategory	string
aifsn	int	-1
cwMin	int	-1
cwMax	int	-1
rateSelectionModule	string
rxModule	string
collisionControllerModule	string

Properties

Name	Value	Description
class	Edcaf
display	i=block/queue

Unassigned submodule parameters

Name	Type	Default value	Description
contention.initialChannelBusy	bool	true	assume that channel was busy before the simulation started
contention.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

Source code

//
// IEEE 802.11 Enhanced Distributed Channel Access Function
//
module Edcaf
{
    parameters:
        string accessCategory @enum("AC_BK","AC_BE","AC_VI","AC_VO");
        int aifsn = default(-1);
        int cwMin = default(-1);
        int cwMax = default(-1);

        string rateSelectionModule;
        string rxModule;
        string collisionControllerModule;

        @class(Edcaf);
        @display("i=block/queue");

    submodules:
        contention: Contention {
            parameters:
                @display("p=100,100");
        }
}

File: src/inet/linklayer/ieee80211/mac/channelaccess/Edcaf.ned

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