| Figure 4.2-1 | The WAB architecture example for 5GS when the WAB-gNB traffic is transported via PDU session backhaul |
| Figure 4.2-2 | The WAB architecture example for 5GS when the WAB-gNB traffic is transported via non-3GPP backhaul |
| Figure 4.2-3 | Protocol stack examples of NG Control plane and User plane transport for a UE connected via WAB-node |
| Figure 4.2-4 | Protocol stack examples of Xn Control plane and User plane transport |
| Figure 4.2-5 | The WAB architecture example for 5GS using an L2TP tunnel gateway to convey the WAB-gNB's traffic over the BH PDU session(s) |
| Figure 4.2-6 | The protocol stack for NG-U and NG-C transport using L2TP tunnel over BH PDU session(s) |
| Figure 4.3.1-1 | WAB-node integration procedure |
| Figure 5.2.1.1-1 | Option 1 for NR Femto Architecture |
| Figure 5.2.1.2-1 | Option 2 for NR Femto Architecture |
| Figure 5.2.1.3-1 | Option 3 for NR Femto Architecture. |
| Figure 5.2.1.4-1 | Option 4 for NR Femto Architecture |
| Figure 5.2.2.1-1 | OptionA Xn interface Architecture for NR Femto |
| Figure 5.2.2.2-1 | NR Femto operating with Xn GW - Logical Architecture |
| Table 5.2.4-1 | Evaluation of Architecture options for the Xn interface |