Download to read offline
Ric presentation
- 1.
- 2. What is RIC? •RIC: RAN Intelligent Controller • Near-RT RIC • Non-RT RIC • (Near-RT RIC is response quicker (<=10^-3 seconds),than Non-RT RIC(1 second)) Why need near-RT RIC? • There will be a lot of RANs connect to RIC , so we need Near-RT RIC to configure and control these RANs.
- 3. Overview structure -1 E2 nodes: • O-eNB • O-CU-CP • O-DU RAN: • O-eNB • O-CU-CP • O-DU • O-RU
- 4. How it workof A1 & E2 interface ? Step1 get RAN information Step2 design or create the ML module Step3 transmit the A1 policy Step4 check the information in E2 nodes is in the range of A1 policy or not Step5 near RT RIC change the parameter of E2 nodes. Non RT RIC Near RT RIC E2 nodes A1 E2
- 5. Detail in E2interface • Near RT RAN control the E2 nodes -E2 nodes sent the 1. Predefined information 2. UEID information Non RT RIC Near RT RIC E2 nodes A1 E2
- 6. Detail in E2interface • Near RT RAN control the E2 nodes -if near RT RIC want to change the parameters 1. Suspend RRM procedure 2. set policy Non RT RIC Near RT RIC E2 nodes A1 E2
- 7. Overview structure • Terminations •O1 mediator • A1 mediator • E2 termination • xAPPs • xApp image • xApp descriptor function of RIC
- 8. Overview structure •Messaging Infrastructure • Interaction in RIC • Low latency use RMR • Conflict Mitigation • Direct Conflict • Indirect Conflict Antenna angle Measurement deviation Size of boundary
- 9. Overview structure • xAPPSubscription Management • Management services • Implement Life cycle managemen (of xAPPs) • FCAPS managements (of near RT
- 10. Overview structure • Security Avoidmalicious xAPPs use too much resource • SDL (Share database layer) Is an API Store or share data to database
- 11.
- 12.
- 13. • E2 Manager •Support and record the states for each RAN • Include: Null, disconnected ,connected ,shutting-down ,shut-down • Routing Manger • Distributing routing policies(between platform and xAPPs) • xAPP Manager • deploy and undeployed xAPPs • Recorded xAPP status • support health check
- 14.
Editor's Notes
- #4 E2 nodes is the green line as you can see.
- #8 xAPP is the function of RIC
- #9 RMR :RIC management router Conflict Mitigation：Resolve conflicting(direct and indirect) requests from multiple xApps Interaction 訊息交互
- #10 Fault configuration accounting performance security
- #14 Null no RAN in database disconnected failed to connect . E2 terminal dead .E2 terminal 正在初始化 connected get setup request form remote RAN shutting-down shut-down