LTE Protocol stack is divided into Three Layers. Layer 1 (Physical Layer) Layer 2 (PDCP,MAC,RLC Layers) Layer 3 (NAS and RRC Layers) Functions of each Layer. NAS: 3GPP TS 24.301 EPS bearer management Authentication Paging origination EPC connection management-IDLE mobility… Read More ›
RRC
5G NR-(MIB/SIB)
5G NR-(MIB/SIB) System information System Information (SI) is consisting of 2 parts- MIB (Master Information Block) SIBs (System Information Block) In NR there are two version of SIBs . One being transmitted periodically same as LTE Other one is transmitted… Read More ›
O-RAN:Challenges in ORAN & Function Migration of 4G to 5G RAN Architecture
Challenges in ORAN/ORAN Deployment. With the move towards Open RANs, operators and integrators need to test that all the Technology works together before it goes into the live network. Best scenario of this challenge concerns the wide range of components… Read More ›
5G-NR RRC STATES
Radio Resource Control (RRC) states for NR There are Three RRC states in NR RRC IDLE RRC CONNECTED RRC INACTIVE Note :UE in RRC IDLE cannot move to RRC INACTIVE RRC IDLE To complete cell selection and cell reselection ,the SI… Read More ›