I have been asked about the UE Assistance Information (UAI) RRC message a few times before. Generally I have always pointed people back to the LTE/5G specifications but here is a concise video that the telecoms technology training company Mpirical have shared recently:
If you want to dig further into details then please see the RRC specifications: 36.331 for LTE and 38.331 for 5G.
Over the years I have added quite a few short tutorials from Mpirical on this blog, do check them out below.
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- The 3G4G Blog: IP Multimedia Subsystem (IMS) Support for Service Based Architecture (SBA)
- The 3G4G Blog: Network Slicing using User Equipment Route Selection Policy (URSP)
- The 3G4G Blog: 5G User Plane Redundancy
- The 3G4G Blog: 5G Non IP Data Delivery and Lightweight M2M (LwM2M) over NIDD
- The 3G4G Blog: 5G Enhanced URLLC (eURLLC)
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- The 3G4G Blog: Four Ways 5G Can Improve the Battery Life of User Equipment (UE)
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- The 3G4G Blog: Tutorial on 4G/5G Mobile Network Uplink Working and Challenges
- The 3G4G Blog: Open RAN Terminology and Players
- 3G4G: Free 2G, 3G, 4G & 5G Training Videos