簡報下載 (Creative Commons BY 4.0)：https://reurl.cc/eXejzj Case Studied on Federated learning Deployment in O-RAN O-RAN 中部署聯邦學習的案例研究 專題研究計畫-進度討論會議 日期：2023/05/11 國立清華大學 資訊工程學系 邱德泉教授 ACE LAB 蔡秀吉 hctsai@linux.com 參考資料來源： https://thc1006.blogspot.com/2023/01/near-rt-ric.html O-RAN.WG2.AIML-v01.03 Deep Learning for B5G Open Radio Access Network: Evolution, Survey, Case Studies, and Challenges http://dx.doi.org/10.1109/OJCOMS.2022.3146618 https://thc1006.blogspot.com/2023/04/blog-post.html https://wiki.o-ran-sc.org/display/OAM/OAM+Architecture

1. Case Studied on Federated learning
Deployment in O-RAN
2023/05/11

3. Reference: O-RAN.WG1.OAD-R003-v08.00

4. Reference: O-RAN.WG1.OAD-R003-v08.00

5. O-RAN RAN Intelligent Controller (RIC)
•
•

6. Open fronthaul

7. O1
O2 A1 OFH
(M)
O1
O1
O1
O-Cloud
O-DU O-RU O-RU
Near-RT RIC
Near-RT RIC
O-CU-CP
O-CU-UP
Non-RT RIC
O1
rAPP
SMO
•
•
•
Reference: https://thc1006.blogspot.com/2023/04/blog-post.html

8. Case Studied on FL Deployment in O-RAN


Reference: O-RAN.WG2.AIML-v01.03

9. FL is suitable for O-RAN, is also based on a Disaggregated
and Distributed split architecture (O-DU and O-RU).
O-RU Subnet
O-DU
Single O-RU
O-CU-CP
O-CU-UP
Reference：Deep Learning for B5G Open Radio Access Network: Evolution, Survey, Case Studies, and Challenges

10. O-RU Subnet
O-DU
Single O-RU
Local Model
Local Model

11. Open-Fronthaul (O-FH) Split Option 7.2x 規格
FL Split Option
Fronthaul
D to A | A to D
RU DU

12. Local Model
Local Model
Local Model
O-DU
O-CU-CP
O-CU-UP
F1-C
F1-U
O1
O-FH
Models Aggregation

13. Train a Global Model
Deploy Global model in
“Related” Near RT RIC xApps
Models Aggregation
Deploy via A1
Reference: O-RAN.WG2.AIML-v01.03

14. • 因為應用情境 (scenario) 的不同， Near-RT RIC 會需要運行多個應用程式
(xApps)，進行資料監控，並對 RAN 功能（Function）的參數進行調整，才能達
成應用情境的需求；Near-RT RIC 的控制決策，仍須根據 Non-RT RIC 提供的
Policy 與指令等…進行 RAN 控制的調整優化。
Introduction to xApps
Reference:https://thc1006.blogspot.com/2023/01/near-rt-ric.html

15. Local Model
Local Model
Local Model
O-DU
O-CU-CP
O-CU-UP
F1-C
F1-U
O-FH
(Network Functions，NFs)
(O-CU、O-DU、O-RU)

16. 將來自 NF 的數據進行儲存：
Reference: https://wiki.o-ran-sc.org/display/OAM/OAM+Architecture