Hi everyone,
I use the UCLA ZigBee PHYsical Layer with gnuradio and USRP. And now I
try to increase the number of chips per symbol within the
Symbol-to-chips-table from 32 chips per 4 bit symbol to 64 chips.
I adopted the three files
- "ucla_ieee802_15_4_packet_sink.cc"
- "ucla_ieee802_15_4_packet_sink.h" and
- "ucla_symbols_to_chips_bi.cc" .
I also generated a 64 bit Symbol_Table, CHIP_MAPPING respectively
using the OQPSK -> MSK encoding as described in the papaer:
"GNU Radio 802.15.4 En- and Decoding"
But still it is not working. I assume that there might be some other
parts of the code, which depend on whether the chip-sequences are 32
chips or 64 chips and I was wondering if you might be able to give me
a hint where to look!? Even after going through the files from UCLA, i
couldn't figure out where this might be!?
Help would be highly appreciated!
Thanks a lot for your help,
Best regards,
Björn
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