Qualcomm Interview Questions Answers

Q1. Define resource allocation types in LTE?
Q2. Why SFN mod==4 use for MIB?
Q3. What is HARQ?
Q4. What is Scheduling Request (SR)?
Q5. Define BSR?
Q6. What do you understand by MIB and SIB?
Q7. Why PHICH comes in MIB?
Q8. What is difference between RRCConnectionReconfiguration and RRCre-establishment?
Q9. What is Measurement gap, and measurement object and what kind of information they will carry?
Q10. Which DCI format use for RAR?
Q11. Define Handover procedure?
Q12. Define DRX information before power on?
Q13. Define Cell Camping?
Q14. Define LTE Events?
Q15. How ue choose 1 Frequency out of many Frequencies broadcast by network?
Q16. How many PHICH group in System Bandwidth?
Q17. Why HARQ use 8 arm process?
Q18. Define Attach Failure Causes?
Q19. What is Fading? Type of Fading?
Q20. How would you calculate PathLoss?
Q21. Define Physical Layer data processing steps?
Q22. What is PUCCH and UCI or it’s Formats?
Q23. Define Transmission Mode? How many Transmission modes are present in LTE?
Q24. What is sidelink? Define Sidelink mapping?
Q25. How much experience do you have in TDD? Define TDD frame structure?
Q26. What is DCI? How many DCI formats are present in LTE?
Q27. What is Type0, Type1, and Type2 resource allocation in DCI?
Q28. What is the latest Bug you have found?
Q29. How would you report a Bug to developers? What is Bug Reporting format?
Q30. What is DTCH message name?
Q31. RRC send which message to NAS to get PLMN list?
Q32. Which layer activate CA?

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L&T INTERVIEW QUESTION ANSWER

Q01. HOW YOU CONFIGURE UE FOR TESTING?Q02. WHAT TYPE OF BUGS YOU HAVE FIND OUT?
Q03. WHAT IS THE CONDITIONS OF RE-ESTABLISHMENT?
Q04. WHAT IS THE RRC RE-ESTABLISHMENT TIME?
Q05. IF YOU SEND A WRONG CONFIGURATION THAN HOW WILL YOU KNOW IT’S A NETWORK ISSUE OR SOMETHING?
Q06. HOW DO YOU FIND NETWORK ISSUE?
Q07. WHAT IS NETWORK FORWARDING?
Q08. DEFINE LAB SETUP?
Q09. HOW WOULD YOU REPORT BUG TO THE DEVELOPMENT TEAM?
Q10. DEFINE HANDOVER REDIRECTION?
Q11. WHY HANDOVER REQUIRED?
Q12. WHAT IS THE I-RAT EVENT?
Q13. DEFINE C.A?
Q14. WHAT IS THE RELEASE VERSION YOU CURRENTLY WORKED ON?
Q15. WHY YOU WANT TO JOIN?
Q16. WHAT IS LTE EVENTS?
Q17. WHICH SYSTEM SIMULATOR YOU ARE CURRENTLY WORKING?
Q18. WHAT YOU DO ON ANITE-9000?
Q19. WHAT IS YOUR ROLE IN YOUR COMPANY?
Q20. DO YOU HAVE ANY QUESTION FOR ME?
Q21. X2AP, S1AP HANDOVER?
Q22. HOW RESOURCE BLOCK ALLOCATE TO UE

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