USRP B210 CW trasmition and reception

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Titu Samson
Titu Samson 2019-7-12
评论： Julien 2021-3-15
I have a b210 USRP which has got 2 Tx channel and 2 Rx channel, I need help in CW trasmitting through 1 channel and Rx through 2 channels all at the sametime.

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回答（1 个）

Kaashyap Pappu
Kaashyap Pappu 2019-7-25
编辑：Kaashyap Pappu 2019-7-26
The USRP B210 has 2 RF channels. When a single channel is transmitting, the receiver of the same channel is inactive. In other words, the B210 is capable of half-duplex communication on each channel. This limitation is due to the USB 3.0 interface, which uses the same data path for transmission and reception.
Assuming you have a single USRP board, a workaround would be to have 2 instances of MATLAB open. Use one instance to program channel 1 for transmission and reception for half-duplex communication, and the second instance to program the second channel as the receiver.
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Julien
Julien 2021-3-15
Using 2 instances of Matlab on the same computer with a single B210 does seem to work, even with the TX on one channel and the RX on the other. The radio appears to be busy on whichever channel has been started the second one. I am also interested in doing full-duplex communication on a single B210, but does not seem possible to do so with Matlab...

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