The work item on intra-band non-contiguous Carrier Aggregation in Band 4 (LTE_CA_NC_B4) was first approved in
RAN #56. Its scope includes both DL and UL carrier aggregation with different timescales for 1 UL and 2 UL. The
scope was later revised to 1 UL only in RAN #60.
The present document is the technical report for the LTE Advanced Intra-band Non-contiguous Carrier Aggregation in
Band 4 work item, which was approved at TSG RAN #56.