|Subject:||[Discuss-gnuradio] FEC gnuradio 3.7.6 error|
|Date:||Thu, 9 Oct 2014 10:12:02 +0700|
I am checking FEC Extended Encoder/Decoder in gnuradio-3.7.6 and would like to embed it in my OFDM transmission.
First, I run the flowgraph below. It works and I can see how FEC improve the results.
However, when I change some blocks, for example, using BPSK Mapper (as below), it throws me the error:
When I modify the flow graph, this error happen regularly even when the newinserted block is not connected dirrectly to Encoder or Decoder block. To make FEC work with my OFDM transmission, I need to make the Encoder and Decoder work compatibly with my blocks. But as you can see, it stops working with when I insert BPSK Mapper to the flow graph, let alone more complicated blocks like OFDM Modulation.
Please help me to figure out the problem and fix it. Any clue would be appreciated.
Research Assistant - Lab. of Signal and System, FET, UET, Vietnam National University-Hanoi (VNU-H)
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