LTE Protocols & Specifications Map

To find 3GPP LTE specification corresponding to a protocol, click here.

LTE PROTOCOLS

• Air Interface Physical Layer
• GPRS Tunnelling Protocol User Plane (GTP-U)
• GTP-U Transport
• Medium Access Control (MAC)
• Non-Access-Stratum (NAS) Protocol
• Packet Data Convergence Protocol (PDCP)
• Radio Link Control (RLC)
• Radio Resource Control (RRC)
• S1 Application Protocol (S1AP)
• S1 layer 1
• S1 Signalling Transport
• X2 Application Protocol (X2AP)
• X2 layer 1
• X2 Signalling Transport