Hi, I am working with USRPs N210 and GNU Radio version 3.7. I wasn't able to work with higher sampling rate like 20 MHZ used in WiFi and that's why I bought a new workstation with better processor. However, the module still isn't working. The receiver isn't receiving anything at 20 MHZ if it's QAM 64 or BPSK . It works perfectly fine with 1 MHZ and receives all data from the transmitter USRP. But at 20 MHZ it receives a few WiFi packets from surrounding far off APs in the building but isn't receiving anything from the USRP transmitter in the room. It doesn't work for 10 MHZ as well.
Can anyone tell me what could be the reason for that? I have tried changing LO offset etc.
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