Basic DSP concepts and my previous experience. I was asked to give a presentation in the final interview.
Dsp Engineer Interview Questions
270 dsp engineer interview questions shared by candidates
I was asked things regarding basic telecom concepts, like: FFT, IFFT, Modulcation schemes (QPSK, QAM...), dopppler spred, delay spread...
If we want you to implement a prototype algorithm from zero to fulfill noise cancellation, what will you do step by step?
How to handle double talk in acoustic echo cancellation? (related to my experience in AEC)
What does "static" mean in C?
Design IIR filter, how to solve overflow issue? given a bit vector, swap its adjacent bits eg. 1110011000 =>1101100100 sampling, and how it affects freq spectrum
What sort of DSP have you done?
What was your process for making PCBs?
When did you meet adversity and how did you overcome it?
How would you go about designing an antenna?
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