Wireless communication tools and applications I already tried different settings for the decoder definition but so far nothing helped.Ham - The NetBSD Packages Collection ham - The NetBSD Packages Collection I therefore wonder, am I using the decoder block in a wrong way? Documentation about how to properly use this block is hard to find. When the convolutional code is active, the decoder sometimes is able to decode the data properly, but most of the time, the output just contains garbage. ![]() When deactivating the code both on the sender and receiver, I can decode the data without any problems. Up until the convolutional decoder, everything seems to work without problems. For demodulation and decoding, I am currently using the graph attached to this post. For testing purposes, I am sending 0 and 1 alternating. I am receiving the signal through an SDR directly connected to the sender using coax cables and some attenuation in-between. This includes a convolutional code with rate 1/2 and constraint length 7. ![]() ![]() ![]() I am currently trying to recover a satellite signal, encoded following CCSDS standards.
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