I am currently implement such scheme that have to pass the
information(complex data type) from rx_path to tx_path in
The information (complex data) is said to be channel gain that can be
calculated by pilot sequence inserted in ofdm symbol, and it can be get
gr_ofdm_frame_acquisition.cc. And I want to make use of this information
next transmitted packet. So I need a method to implement this scheme.
Here are some methods that I used to implement but got some problems.
In gr_ofdm_frame_acqusition.cc, I save the complex data in a file and
read this file when I send a packet. But it seems that saving file will
slows down the process and causes the packet fail.
I rewrite the io_signature in the block of
that increase the output port for the complex data. And connect this
the transmit path.
Rx-USRP → rx_path --(gr_complex)-- tx_path → Tx-USRP
I know the rx_path and tx_path are parallel in GNU Radio. Is it possible
connect these two block with one port?
Maybe I can use gr_message. But I don’t know how to use it for the
is complex data type. It seems that gr_message is for string data
char). Can it use for complex or floating data type?
Anyone have any suggestions about these problems, please let me know.
I am deeply appreciative.
View this message in context:
Sent from the GnuRadio mailing list archive at Nabble.com.