Hi, I'm using benchmark_ofdm tx and rx in 2.4 GHz. I'm trying to transmit a fixed size of payload everytime (1328 Bytes). My problem is I don't know what values I must put in the parameters: fft-length, occupied-tones, cp-length. I know that fft-length is the total number of subcarriers, cp the cyclic prefix, occupied-tones number of subcarriers used for data. I have been running modifications of these benchmarks, and the best performance I get is when the values of these parameters are: fft-length 512, cp 128, occupied tones 300. In this case, the 80 % of paquetes I receive are right. How can I calculate the apropiate values ? Must I used the parameter "-s" for fixed the packet size to the one I want, 1328? what happen with the "-i" and "-d" in the transmitter and the receiver?
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