Thanks, Steve! What about increase carrier from 17 to 64? I see that the maximum of the carrier is 64. If I change nc to 64, How much baudrate increases? How much bandwidth?
Vào Th 2, 12 thg 11, 2018 vào lúc 22:38 Steve <coupaydevi...@gmail.com> đã viết: > The center frequency is configured with a variable in the OFDM_CONFIG > structure. > > It is the value 'centre' > > > https://sourceforge.net/p/freetel/code/HEAD/tree/codec2-dev/src/ofdm_internal.h#l54 > > To get access to this variable, you would do this in ofdm_mod.c (or demod) > > > https://sourceforge.net/p/freetel/code/HEAD/tree/codec2-dev/src/ofdm_mod.c#l104 > > for example: > > ofdm_config->centre = 800.0; > > The ofdm tx filter is off by default: > > https://sourceforge.net/p/freetel/code/HEAD/tree/codec2-dev/src/ofdm.c#l361 > > you can turn it on with the '--txbpf' option in ofdm_mod.c. > > This is just some quick notes. All of this would require some testing. > > You would have to design a new modem for a higher bit rate. It's not > something you can configure on the fly. > > > _______________________________________________ > Freetel-codec2 mailing list > Freetel-codec2@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > -- *Kiều Việt Đích* *Công ty 129 - Ban cơ yếu chính phủ* Email : dich...@gmail.com SĐT : 0904736189
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