The present document is a technical report for 2DL/1UL Inter-band Carrier Aggregation under Rel-15 time frame. The purpose is to gather the relevant background information and studies in order to address 2DL/1UL Inter-band Carrier Aggregation requirements for the Rel-15 band combinations in Table 1-1.

CA combination	REL independent from
CA_20A-40A	12
CA_38A-40A	10
CA_1A-7A	10
CA_7A-20A	10
CA_8A-20A	10
CA_34A-39A	10
CA_34A-41A	10
CA_40A-43A	10
CA_42A-43A	10
CA_8A-32A	10
CA_8A-38A	12
CA_66A-70A	10
CA_11A-26A	10
CA_4A-71A	10
CA_66A-71A	10
CA_2A-14A	10
CA_14A-66A	10
CA_14A-30A	10
CA_2A-71A	10

  This TR contains a band specific combination part. The actual requirements are added to the corresponding technical specifications.