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Wireless Engineer Interview Questions
277 wireless engineer interview questions shared by candidates
How to debug if ping command fails ?
I was asked few questions from my resume and then given a wireless design problem to solve.
Explain different types of fading
1) Types of equalizers. Problems with zero-forcing equalizer. Why is MMSE equalizer better than the former? 2) Asked me about a wireless channel measurement project that I had done. Based on that, tested me on the concepts of coherence time, inter symbol interference, multipath fading. 3) Asked about basic concepts in OFDM. What problem does it solve? Can we keep increasing the number of subcarriers? Will there be any issues if we do that? 4) How many numbers can you represent by a unsigned and signed n-bit binary number.
Write a function in C to reverse the order of words in a string. Write a function to swap bytes in an integer.
Study basic DSA questions and how to built from one on top of the other
Questions are technical details about OS, RTOS, scheduling, networks. Coding are leetcode easy to medium, but I was asked to write in C.
Difference between antenna gain and amplifier gain, wide band vs narrow band antennas, modulation techiniques
Wireless system fundamentals, mac aggregation, data rate of 11n, 11ac
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