Re: [USRP-users] random phase offset when trying to synchronize two USRP N210s

2019-09-13 Thread Lapointe, Benjamin - 0333 - MITLL via USRP-users
To provide more details: - The two USRP devices each have their own GPSDOs. - I have separate TX and RX programs. Each one synchronizes to their GPSDO and then synchronizes phase by creating streamers with a time_spec with a specified gps_second in the future, following the

Re: [USRP-users] random phase offset when trying to synchronize two USRP N210s

2019-09-13 Thread Marcus D. Leech via USRP-users
On 09/13/2019 01:01 PM, Lapointe, Benjamin - 0333 - MITLL via USRP-users wrote: To provide more details: -The two USRP devices each have their own GPSDOs. -I have separate TX and RX programs. Each one synchronizes to their GPSDO and then synchronizes phase by creating streamers with a

Re: [USRP-users] Using DmaFIFO for receive on X310

2019-09-13 Thread Michael West via USRP-users
Hi Rob, You can increase the maximum socket buffer sizes by following the instructions here: http://files.ettus.com/manual/page_transport.html#transport_udp_linux I recommend setting the default and max values as follows: sudo sysctl -w net.core.rmem_default=200 sudo sysctl -w