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BML LTE Network Architecture and Configurations . 2013/09/07. Outline. Centralized controller UE -> eNB -> EPC -> Cloud computing IP network configurations Circuit Switched Fallback Architecture. Centralized Controller Map. Room 604 . Huawei eNBs. IOT. ITSC BetaSite. Room 511 .
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Outline • Centralized controller • UE -> eNB -> EPC -> Cloud computing • IP network configurations • Circuit Switched Fallback Architecture
Centralized Controller Map Room 604 Huawei eNBs IOT ITSC BetaSite Room 511 NSN eNBs NSN eNB IOT Field Trial Room 103 NSN eNB Huawei eNBs EPC AS OIOT
Centralized Controller Service NSN eNB Management Switch/Router Monitor Huawei eNB Management EPC Management Packet Capture Wake-on-LAN
LTE Networkin NCTU Connection Path Packet Data Path 10.102.0.226/27 10.101.0.11~ 10.101.0.20/24 EPC 3 UE 2 1 eNB Cloud Server (AR, VoIP, IPTV, etc) 10.102.0.225/27 1.1 10.100.10.23/18 10.100.255.253/16 2.1 1.2 2.4 Switch Switch 10.100.255.254/16 2.2 Switch Router 2.3 10.101.0.254/24
UE Access Private/Public Network HSS MME S-GW EPC Emulator eNB P-GW UE Cloud Servers Internet
EPC Connection Architecture Internet NSN Huawei 3rdeNB 3G … … … … Centralized controller eth0 eth1 eth2 eth3 eth4 eth5 EPC Emulator
IP Network Configurations Case of UE attaching Huawei eNB ` Huawei eNB
IP Network Configurations ` EPCEmulator
IP Network Configurations EPCEmulator `
IP Network Configurations ` Cloud Servers
IP Configuration in EPC & E-UTRAN Case of UE attaching Huawei eNB
Circuit Switched Fallback Architecture S1-U LTE-Uu S1-MME Uu SGs luh luCS luPS
Circuit Switched Fallback Architecture Mobile Originating call in Active Mode – No PS HO support S1-U LTE-Uu S1-MME Uu Call SGs luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu NAS Extended Service Request S1-MME Uu SGs luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu UE Context Modification Request with CSFB indicator S1-MME Uu SGs luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu UE Context Modification Response message S1-MME Uu SGs luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu NACC S1-MME Uu SGs luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu RRC connection release S1-MME Uu SGs luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu S1-MME Uu SGs UE changes RAT & LAU /RAU luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu S1-MME Uu SGs Suspend luh luCS Suspend luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu Suspend Request S1-MME Uu SGs luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu Suspend Response S1-MME Uu SGs luh luCS luPS
Circuit Switched Fallback Architecture S1-U Update Bearer LTE-Uu S1-MME Uu SGs luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu S1-MME Uu SGs CM Service Request luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu S1-MME Uu SGs CS MO call luh luCS luPS
Circuit Switched Fallback Architecture S1-U LTE-Uu S1-MME Uu Call SGs luh luCS luPS