Forum: GNU Radio CRC32 Block Check/Generator problem in OFDM Examples

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Ba145c96704624059e45a659e5e9dfe3?d=identicon&s=25 Kris M. (murali_k)
on 2013-10-09 12:37
Hello all,

I am using gnuradio 3.7.1. I am currently working on ofdm examples. In
tx_ofdm.grc, we generate CRC32 bit sequence and check the same in
rx_ofdm.grc. But in rx_ofdm.grc, the default option that is used is
Generate CRC32. When I select the Check CRC32 option, I do not observe
any output.
Why do we generate CRC32 again at the receiving end? Aren't we supposed
to "Check" for redundant bits?

Murali Kris
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