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 FAPI: PHY API specification

This document provides the 5G PHY API specification for an application platform interface (API) between the MAC and PHY protocol layers within the small cell ecosystem. This functional application platform interface (FAPI) is an internal interface within an integrated or disaggregated small cell. The 5G PHY API specification defines a control interface (P5) and a user plane or data path interface (P7). This version is for release 15 of 3GPP specification.