adaptive modulation in gnu radio

Hello everyone, I am looking towards how to make a flowgraph to detect when received signal strength is below -20 dB for instance. It'll automatically change modulation techniques to a low-order modulation (QPSK) and when more than -20 dB (say -10 dB). It'll take a high modulation technique (16QAM)

[Discuss-gnuradio] Uninstall GNU + dependencies

Hi all,may I know how to Uninstall GNU radio with all the dependencies Installed in usr/local. I tried straight deleting the folders in local but it can't work. As well as trying to purge which didn't work. I user terminal sudo apt-get autoremove gnuradio but when I enter gnuradio-companion in term

[Discuss-gnuradio] Calculating SNR

Hi, May I know how to calculate SNR from the noise source introduce in the simulation block in ofdm example given in gr-digital. Thank you. Regards ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-g

[Discuss-gnuradio] Awgn simulation error

Hi, I had run the sim.grc in the awgn simulation folder from gr-ieee802.11 and I get this following from the terminal. Plus, I'm not sure how I should measures the ber however the error I got is below. Thanks linux; GNU C++ version 5.4.0 20160609; Boost_105800; UHD_003.010.001.HEAD-0-g929e3b32 MAP

[Discuss-gnuradio] OFDM Carrier Allocator

Hello, I have trouble assigning parameters to sync words in OFDM Carrier allocator block in gnu radio. Does anyone has an example to share. ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

[Discuss-gnuradio] USRP N210

Hello, May I know how to be able to detect USRP N210 in ubuntu16.04 terminal using Gigabit Ethernet cable and the command terminal line uhd_find_devices. Ive tried countless methods such as usrp_devices_pprobe and many other more. Second of all, I don't know how to configure the IP address and net