This module implements the transmission side functionalities of the Unacknowledged Mode (UM) of the Radio Link Control (RLC) layer for a specific connection. It stores packets coming from the Packet Data Convergence Protocol (PDCP) layer in a transmission buffer and, upon receiving a notification of a transmission opportunity from the Medium Access Control (MAC) layer, it sends down an RLC Protocol Data Unit (PDU) of the appropriate size (which may involve segmentation and/or concatenation).

Parameters

Name	Type	Default value	Description
packetFlowManagerModule	string	""
umModule	string	"^.um"
fragmentSize	int	30B	Size of fragments

Properties

Name	Value	Description
dynamic	true
display	i=block/segm

Source code

//
// This module implements the transmission side functionalities of the Unacknowledged
// Mode (UM) of the Radio Link Control (RLC) layer for a specific connection.
// It stores packets coming from the Packet Data Convergence Protocol (PDCP) layer
// in a transmission buffer and, upon receiving a notification of a transmission opportunity
// from the Medium Access Control (MAC) layer, it sends down an RLC Protocol Data Unit
// (PDU) of the appropriate size (which may involve segmentation and/or concatenation).
//
simple UmTxEntity
{
    parameters:
        @dynamic(true);
        @display("i=block/segm");
        string packetFlowManagerModule = default("");
        string umModule = default("^.um");
        int fragmentSize @unit(B) = default(30B);        // Size of fragments
}

File: src/stack/rlc/um/UmTxEntity.ned

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