# Daily Report 1

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### Task 2
## 19th of July 2021 (Second Section)

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**IVC 5G O-RAN Summary**
- Open RAN is about disaggregated RAN functionality built using open interface specifications between elements. many functions into the following entities with open interfaces: a centralized unit (CU), a distributed unit (DU), and a remote unit (RU).

5G Network Operations Mode
RAN Disaggregation


- O-RAN => Open Radio Access Network (Since February 2018)
- Openness
• Open Interfaces
• Open Source

- Benefit O-RAN Architecture
1. Reduce cost network of CAPEX and OPEX
2. improve network efficiency and performance
3. import new capability with great agility
- O-RAN Alliance
- Orchastration& Automation
- Application layer ( RAN Intelligence Controller)
- Multi-RAT O-CU Protocol
:::spoiler Intelligent & Virtualization
- Open Interface to AI
- Virtualization Channel
:::spoiler Standarization& Educated
- Open CU to CU
- Open Interface Mode
- Open CU-Cp Interface
:::spoiler White Box Reference Design
- Open DU to AAU/RRuHw reference Design

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