What is FP (Frame Protocol)?

The Frame Protocol is the least layer user plane convention utilized in UTRAN IuB and IuR interfaces. It is portrayed in 3GPP TS 25.427 (Dedicated transport channels) and 3GPP TS 25.435 (Common transport channels). Frame Protocol is for the Iur and Iub interfaces is the user plane protocol, working with the transferral of Transport Channels.