Re: [Discuss-gnuradio] FIFO size and duplex mode

[Matt Ettus]

Andrey A wrote:
> Hi!
> We are considering the possibility of bying a couple of USRP boards
> for building the MIMO 2 RX 2 TX duplex system.
>
> 1. For us it is critical to know the precise size on FIFO buffers. So
> we could evaluate overrun / underrun probabilities.
>
> Matt said it is 2K lines. Does it mean 2048 bits?
>   

No, it means 2K lines.  Each line is 32 bits.
> 2. Does the board work in time division duplexing of frequency division
> duplexing mode?
> From the schematic I tend to think it works in TDD mode.
>   

both, but fdd operation requires a lot of frequency separation.

Matt