About umts

2021-03-26 Thread Oliver pamt
Hello, new user here. I'm looking for a way to receive umts (3g) with usrp and gnuradio. first, I would like to observe the constellation qpsk. Is there a tool already developed that could do the trick? Thank you Oliver

Re: About umts

2021-03-26 Thread Johannes Demel
Hi Oliver, unfortunately, I don't know of any GNU Radio UMTS implementation. If others do, they will point you to it. Besides, I'd like to point out a few caveats. UMTS is not a simple single carrier system. You can't just use a Costas Loop to sync to your constellation. You first need to sy