I applied through an employee referral. I interviewed at Qualcomm
Interview
An hour presentation about my previous research and work following with about 15 minutes of Q & A, then four technical interviews with senior and principle engineers. The interview questions were related to my presentation and also to telecommunication and wireless system basics.
I applied online. The process took 2 weeks. I interviewed at Qualcomm in Jun 2018
Interview
Applied online and a recruiter got back within a week saying that an interviewer would contact to schedule a phone interview.
A phone interview with an engineer followed and took about 40 minutes.
He was nice and knowledgeable, and the interview was very straightforward.
Interview questions [1]
Question 1
Some resume questions and basic knowledge of random process and DSP.
I applied through college or university. The process took 1 day. I interviewed at Qualcomm (Bengaluru) in Mar 2018
Interview
A vacancy popped up in the modem systems team in Bengaluru and a mail was sent to my university group regarding this. I applied for the interview by replying to the mail. The HR person contacted me over phone and fixed up an appointment with me for the interview. Next the interviewer called me up on the stipulated day of the interview and asked me for an introduction and the interview commenced after that
1)Can you explain the block diagrammatic structure of an OFDM system?
2)For what kind of channels do we use OFDM type of systems in a modem?
3)Why do we append a cyclic prefix in an to the transmitted OFDM symbol?
4)What will happen if we append zeros instead of a cyclic prefix?