WebJul 23, 2024 · Interface with the EPC network S-GW (via the S4 interface) and MME (via the S3 interface) to enable handovers between 2G/3G networks and the EPC (4G) network. … WebJul 23, 2024 · Use the keyword attempt-when-permitted with the to-sgw keyword filter to enable only the S4's S12 interface between the RNC and the SGW. To remove the direct tunnel settings from the configuration, use the following command: direct-tunnel attempt-when-permitted [ to-ggsn to-sgw ]

Performance of CS Fallback from LTE to UMTS - Qualcomm

WebThe interfaces of network are built on IP protocols. The eNodeBs are connected by an X2 interface and to the MME/GW (Mobility Management Entity/Gateway) object by an S1 interface as illustrated in ... WebJan 8, 2012 · Interfaces and their protocol stacks. After familiarising with main network elements, time has come to better know interfaces between those elements. Interfaces are allowing MME, SGW and PGW cooperating with other network elements ( e.g. HSS or PCRF). Each one of them is built in standardised way described by 3GPP.org. gates cb-11

Performance of CS Fallback from LTE to UMTS - Qualcomm

WebMay 9, 2024 · The primary purpose of either CSFB or SRVCC for CDMA is to enable a UE from an LTE network to move seamlessly to a CDMA network and ensure that CDMA2000 messages are received from the UE and then relayed to the MSC (or vice-versa) through S1-APP and S102 interfaces. The MME will use the S102 interface to tunnel the 1xRTT … WebInter-MME Handover Using the S1 Interface (Without Changing S-GW) In an inter-MME handover, two MMEs are involved in the handover, the source MME (S-MME) and target MME (T-MME). The S-MME controls the S-eNB and the T-MME controls the T-eNB; both MMEs are connected to the same SGW. This handover is triggered when the davita chicken soup recipe