The simulator currently reuses features available in LENA ns-3 LTE. For details see:

• RLC https://www.nsnam.org/docs/release/3.29/models/html/lte-design.html#rlc
• PDCP https://www.nsnam.org/docs/release/3.29/models/html/lte-design.html#pdcp
• RRC https://www.nsnam.org/docs/release/3.29/models/html/lte-design.html#rrc
• NAS https://www.nsnam.org/docs/release/3.29/models/html/lte-design.html#nas
• EPC https://www.nsnam.org/docs/release/3.29/models/html/lte-design.html#epc-model