Re: Differential decoding block and PN15 code

2025-04-11 Thread Daniel Estévez
Hi Mason, There is something odd about your flowgraph: the Constellation Modulator expects the input to be packed as 8 bits/byte. On the other hand, the Differential Encoder requires the data to be unpacked (1 bits/byte). You don't say whether your new_prn15.bin file is packed or unpacked, but

Re: Discuss-gnuradio Digest, Vol 270, Issue 12

2025-04-11 Thread GNU Radio, the Free & Open-Source Toolkit for Software Radio
Hi Marcus, The degradation was 40 dB relative to expected. My measurements were ballpark. For an indication of the Minimum Discernible Signal, I looked at when a signal fell below the noise in a QT QUI Sink (FFT 32K, 570K sampling rate). The same test with an Ettus B200mini showed the minimum d