How does channel estimation work in MIMO systems? What are the challenges and limitations?

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Emil Björnson

We describe this in Chapter 3 of the book Massive MIMO networks, which you can download from massivemimobook.com

The main challenge/limitation is that we need to obtain an accurate estimate using limited signaling resources (power and time).

Murtadha Shukur

Dr.Emil.Thank you for your answer

Khadem Ullah

Emil Björnson thanks , this is such a great book, I have followed this book and referred many times.