[USRP-users] sample shift on x310 two channel synchronized receive

hanwen kidult.hanwen at gmail.com
Thu Apr 16 16:54:02 EDT 2015


Hi,

This issue is solved by removing a usrp->set_time_now(0.0) call in my
program. It seems that for synchronized multiple channels, the safe way of
resetting the time is via PPS. Don't explicitly reset it immediately via
set_time_now()!

Cheers,
Hanwen

2015-04-10 14:29 GMT+02:00 Sanjoy via USRP-users <usrp-users at lists.ettus.com
>:

> Hi Hanwen Cao,
> I am using 2 x310s and for transmitting and receiving both I am using
> set_start_time(future_time); where future time is same for tx and rx; so
> theoritically I should get rx signal to be time synced with tx signal; but
> I
> am not getting that; there is always a shift.
> Can you tell me how did you fix your problem and one more thing can you
> tell
> me how to know the streaming time of tx and rx?
>
> thanks in advance.
>
> regads
> Sanjoy
>
>
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