Siemens SIMATIC NET SCALANCE W780 Series Configuration Manual page 413

When should iPCF-MC be used?
iPCF was developed to achieve short handover times when roaming between cells. The
iPCF-MC technique allows short handover times even for freely mobile clients and when a
lot of cells are involved or a large number of channels is being used.
The possible settings differ for access point and client. Both are described below:
SCALANCE W780/W740 to IEEE 802.11n Web Based Management
Configuration Manual, 08/2018, C79000-G8976-C267-13
Configuring with Web Based Management
6.10 "iFeatures" menu
413