Implementation of L-MAC (Lightweight Medium Access Protocol for Wireless Sensor Networks).

See C++ documentation for details.

Usage diagram

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

Inheritance diagram

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

Extends

Name	Type	Description
MacProtocolBase	simple module	Module base for different MAC protocols.

Parameters

Name	Type	Default value	Description
interfaceTableModule	string
address	string	"auto"	MAC address as hex string (12 hex digits), or "auto". "auto" values will be replaced by a generated MAC address in init stage 0.
slotDuration	double	100ms	how long is a slot?
headerLength	int	10b
ctrlFrameLength	int	headerLength
mtu	int	0B
defaultChannel	double	0	default channel
bitrate	double	19200bps	bit rate
reservedMobileSlots	int	2
numSlots	int	64
radioModule	string	"^.radio"	The path to the Radio module //FIXME remove default value

Properties

Name	Value	Description
display	i=block/rxtx
class	LMac
selfMessageKinds	inet::LMacType

Gates

Name	Direction	Size	Description
upperLayerIn	input
upperLayerOut	output
lowerLayerIn	input
lowerLayerOut	output

Signals

Name	Type	Unit
packetReceivedFromUpper	cPacket
packetReceivedFromLower	cPacket
packetDropped	cPacket
packetSentToLower	cPacket
packetSentToUpper	cPacket

Statistics

Name	Title	Source	Record	Unit	Interpolation Mode
packetDropNotAddressedToUs	packet drop: not addressed to us	packetDropReasonIsNotAddressedToUs(packetDropped)	count, sum(packetBytes), vector(packetBytes)		none
packetDropIncorrectlyReceived	packet drop: incorrectly received	packetDropReasonIsIncorrectlyReceived(packetDropped)	count, sum(packetBytes), vector(packetBytes)		none

Source code

//
// Implementation of L-MAC (Lightweight Medium Access Protocol for
// Wireless Sensor Networks).
//
// See C++ documentation for details.
//
module LMac extends MacProtocolBase like IMacProtocol
{
    parameters:
        string address = default("auto"); // MAC address as hex string (12 hex digits), or
                                          // "auto". "auto" values will be replaced by
                                          // a generated MAC address in init stage 0.
        // how long is a slot?
        double slotDuration @unit(s) = default(100ms);
        int headerLength @unit(b) = default(10b);
        int ctrlFrameLength @unit(b) = default(headerLength);
        int mtu @unit(B) = default(0B);
        // default channel
        double defaultChannel = default(0);
        // bit rate
        double bitrate @unit(bps) = default(19200bps);
        // level at which we consider medium busy FIXME not used currently
//        double busyRSSI;

        int reservedMobileSlots = default(2);
        int numSlots = default(64);
        string radioModule = default("^.radio");   // The path to the Radio module  //FIXME remove default value

        @class(LMac);
        @statistic[packetDropIncorrectlyReceived](title="packet drop: incorrectly received"; source=packetDropReasonIsIncorrectlyReceived(packetDropped); record=count,sum(packetBytes),vector(packetBytes); interpolationmode=none);
        @statistic[packetDropNotAddressedToUs](title="packet drop: not addressed to us"; source=packetDropReasonIsNotAddressedToUs(packetDropped); record=count,sum(packetBytes),vector(packetBytes); interpolationmode=none);
        @selfMessageKinds(inet::LMacType);
    submodules:
        queue: <default("DropTailQueue")> like IPacketQueue {
            parameters:
                packetCapacity = default(10);
                @display("p=100,100;q=l2queue");
        }
}

File: src/inet/linklayer/lmac/LMac.ned

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