This module implements the Carrier Aggregation (CA) functionality used at the Medium Access Control (MAC) layer of e/gNodeBs and UEs. CA allows multiple frequency bands - referred to as Component Carriers (CCs) - to be aggregated in order to increase the overall available bandwidth of the system. Each CC is implemented as a submodule and can be configured independently from each other. e/gNodeB and UE can be configured to use one or more CCs among those configured in this module. There must be one (and only one) instance of this module in the network.

Usage diagram

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

Used in

Name	Type	Description
ExtClientServer_bgCells	network	ExtClientServer_bgCells
ExtClientServerExample	network	ExtClientServerExample
ExtMecAppExample	network	(no description)
ExtServerExample	network	ExtServerExample
ExtUeAppExample	network	(no description)
ExtUeAppMecAppExample	network	(no description)

Parameters

Name	Type	Default value	Description
numComponentCarriers	int	1

Properties

Name	Value	Description
display	i=block/control

Unassigned submodule parameters

Name	Type	Default value	Description
componentCarrier.binderModule	string	"binder"
componentCarrier.carrierFrequency	double	2GHz	Carrier Frequency (GHz) -->
componentCarrier.numBands	int	6	number of bands for this channel
componentCarrier.numerologyIndex	int	0	numerology index
componentCarrier.useTdd	bool	false
componentCarrier.tddNumSymbolsDl	int	7
componentCarrier.tddNumSymbolsUl	int	7

Source code

//
// This module implements the Carrier Aggregation (CA) functionality used at the
// Medium Access Control (MAC) layer of e/gNodeBs and UEs. CA allows multiple frequency bands -
// referred to as Component Carriers (CCs) - to be aggregated in order to increase the overall
// available bandwidth of the system. Each CC is implemented as a submodule and can be
// configured independently from each other. e/gNodeB and UE can be configured to use
// one or more CCs among those configured in this module.
// There must be one (and only one) instance of this module in the network.
//
module CarrierAggregation
{
    parameters:
        @display("i=block/control");
        int numComponentCarriers = default(1);

    submodules:
        componentCarrier[numComponentCarriers]: ComponentCarrier;
}

File: src/common/carrierAggregation/CarrierAggregation.ned

---

This documentation is released under the Creative Commons license