Overview of O-RAN Fronthaul Specifications

Standard specifications for fronthaul interfaces with a view to the next-generation radio access network were released by the xRAN Forum in April 2018. Then, with the integration of the xRAN Forum into the O-RAN Alliance in March 2019, these specifications continued on as O-RAN fronthaul specifications. This article describes the O-RAN fronthaul specifications that are expected to be the first standard to enable interoperability between different vendors.