5G FAPI: PHY API Specification
Document number: SCF222
PHY FAPI is the main API for FAPI, defining P5 and P7 interfaces for user and control plane into the PHY. Its typical application is between a PHY layer System on a Chip and the software stack for MAC and higher layer protocols. It can also be used to enable Embedded NIC Inline Accelerators for the High-PHY function in an O-RAN DU. This latest iteration includes support for 3GPP Rel-16 Remote Interference Management (RIM) and new high-resolution L1 Metrics (RSSI, RSRP and Noise+Interference): to assist the scheduling and automated logging functions.
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Versions
| Date | Version | Release | |
|---|---|---|---|
| 2024-04-22 | SCF222.08.00 | ||
| 2023-08-23 | SCF222.07.00 | ||
| 2022-12-20 | SCF222.10.06 | 10 | |
| 2022-07-20 | SCF222.10.05 | 10 | |
| 2021-11-11 | SCF222.10.04 | 10 | |
| 2021-05-10 | SCF222.10.03 | 10 | |
| 2020-03-23 | SCF222.10.02 | 10 | |
| 2019-06-29 | SCF222.10.01 | 10 |
