Re: [Discuss-gnuradio] about phase sync MIMO X310

[Marcus Müller]

Hi Sanjoy,

On 22.07.2015 16:09, Sanjoy Basak wrote:
> I exchanged set_command_time with set_start_time to check
you need both -- set_start_time to align the sampling start, ie. the 
point in time the ADC takes the first measurement, and 
set_command_time() followed by set_center_freq() to make both 
daughterboards tune exactly at the same time, allowing for static phase 
offset.
Note that I write "static phase offset": This means that after tuning 
each oscillator will have the same phase like the last time that exact 
oscillator was tuned, but due to manufacturing tolerances as well as 
your RF set up, the phase with which your radio signal will be 
transmitted or received will still have an offset -- but it's going to 
be the same.

Best regards,
Marcus