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What happens if Header Length in Header/Payload Demux is actually is les


From: Mulamoottil Abraham
Subject: What happens if Header Length in Header/Payload Demux is actually is less than an ofdm symbol
Date: Wed, 19 Apr 2023 23:14:36 -0400

Hey Everyone,
Can you help me out here.
In this example https://github.com/gnuradio/gnuradio/blob/main/gr-digital/examples/ofdm/rx_ofdm.grc we are using bpsk for header which gives 48 symbols and each can be mapped to all 48 as (out of 64 in OFDM only 48 are used subtracting the pilots and unused carriers) . In this case it works. But what if I used 16QAM for header which creates 12 bytes which does not give a complete symbol but only 1/4TH OF OFDM. So in Header/Payload Demux Earlier I could give Header Length 3 Symbols (2 Symbols Sync and one symbol Header) but now as header isĀ  only a partial symbol is there a feature to give Header length as 2.25 instead of 3. Or should I go for another alternative. Can anyone help me with this as this was very urgent and confusing?

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