5G FAPI specs updated with richer 3GPP feature set

5G FAPI suite with richer 3GPP feature set to underpin supply chain diversification

SCF has updated the suite of 5G FAPI specifications which underpin the high-performance low-cost components integral to 5G mobile base stations, whether small cell or macro. This update demonstrates the ongoing commitment of the ecosystem to continually improve the standard, adding new features and maintaining existing ones.

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5G nFAPI specifications

The 5G network functional application platform interface (5G nFAPI) is an initiative that extends for 5G the functional split between the MAC and PHY functions that enables virtualization of the MAC function. This virtualization is already enabled for 4G via 4G-nFAPI and these specifications define an equivalent transportable interface for MAC-PHY 5G function application platform interface (5G-FAPI) defined for 5G small cells. This RAN architecture virtualization MAC function is also known as the Option 6 [3GPP TR 38.816, v15.0.0] architecture split.