LTE Q & A (21/10/2020)

1.Components of TAI TAC,MNC TAC,MCC MNC,TAC,MCC TAC,MNC 2. ERAB Consist of S1 and S5/S8 Bearer Radio and S5/S8 Bearer Radio and S1 Bearer S1, Radio and S5/S8 Bearer 3. Default bearer uses Non-GBR GBR Both 4. Which one is not… Read More ›

5G-NR Q&A (15/10/2020)

1.In 5G, UE in RRC IDLE cannot move to RRC INACTIVE FALSE TRUE Ans. TRUE 2. 5G-S-TMSI is allocated by SMF AMF UPF AUSF Ans. AMF 3. What does CSI consist of in 5G-NR CQI,RI,PMI LI,CRI SSBRI,CQI,RI,PMI,LI,CRI CQI,LI,RI,PMI Ans. SSBRI,CQI,RI,PMI,LI,CRI… Read More ›

Function Splits in ORAN/5G-NR:

Function Splits in ORAN/5G NR: Centralized baseband processing was introduced several years ago to ease installation of base stations in large buildings. Digital radio interfaces and remote radio heads (RRHs) both was enabled by it, which allowed the connection between… Read More ›


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 ›