Hi, I wonder if any of you guys knows a method to decode uplink GSM signals. I have previoulsy used Airprobe to decode downlink signals, but it does not work with uplink signals. I was using the following scheme:
USRPN210--->gsm-receiver/gsmtvoid---->gsmdecode/Wireshark My approach is to modify gsm-receiver block to adapt it to uplink and to frequency hopping, and I think that I can solve this issue. But when it comes to decode the signals...I do not have any idea on how to change gsmdecode to decode uplink signals. I also wonder if Wireshark is capable to do that. Any idea/advise?
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