In DL ACIR
-1=ACLR
BS-1+ACS
UE-1, and the dominant part of ACIR is due to the UE frequency selectivity (ACS) (i.e. ACLR
BS is very large compare to ACS
UE and ACIR ≈ ACS
UE. By varying the ACS of the victim link receiver, it is therefore possible to compare 3GPP methodology with SEAMCAT results.
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Figure 456: Illustration of the selection of the ACS