How to calculate Physical Resource Blocks (PRBs) in LTE for a given Bandwidth ?


Question: A reader Estuardo R.  asks this question , ” Azar, I have a question: how to know how many PRBs (physical resource blocks) are there are in 1.4  MHz or 5 MHz or 20 MHz. How to calculate it ? 


Answer: Thank you for the question Estuardo R.  Below video will answer your question. Also note that, you can also calculate the same bandwidth in terms of sub-carriers.




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