I applied online. The process took 1 week. I interviewed at Kumu Networks in Sept 2016
Interview
There was one phone interview which was scheduled for 30mins, and went on for almost 50 mins.
The phone interview was mostly based on OFDM,on cyclic prefixx etc.
Then I was scheduled for 2 skype rounds.
Again both the skype rounds were based entirely on OFDM
Interview questions [1]
Question 1
1) Explain the general procedure of OFDM
2) Why OFDM?
3) How to correct frequency offset and timing offset