To meet LTE-Advanced requirements, support of wider transmission bandwidths is required than the 20 MHz bandwidth specified in 3GPP Release 8/9. The preferred solution to this is carrier aggregation.
It is of the most distinct features of 4G LTE-Advanced. Carrier aggregation allows expansion of effective bandwidth delivered to a user terminal through concurrent utilization of radio resources across multiple carriers. Multiple component carriers are aggregated to form a larger overall transmission bandwidth.
Contents:-
- Carrier aggregation modes in Frequency domain
- Component carrier types
- Basic component carrier concept
- Control signalling for carrier aggregation
- Carrier aggregation in heterogeneous networks
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