Re: [USRP-users] Frequency hopping on short time scale using DSP tuning

2020-02-06 Thread Sam Reiter via USRP-users
Hey Richard, Not sure if this is still on your radar, but I'd be curious to see the code you're using to test this. Do you update your frequency tuning policy to be DSP tuning only? If you want to pick this back up, feel free to shoot an email to supp...@ettus.com and we can do a bit of a code wal

Re: [USRP-users] Error "clock synchronizer offset" loading N310 rfnoc image

2020-02-06 Thread Sam Reiter via USRP-users
Rob, I'm not sure what the implications would be, but you could try recompiling UHD with an updated *trace_delay_offset* and/or *offset_error* threshold: https://github.com/EttusResearch/uhd/blob/UHD-3.15.LTS/mpm/python/usrp_mpm/dboard_manager/mg_init.py#L212 I'm not sure why your custom RFNoC b

Re: [USRP-users] USRP filter delay

2020-02-06 Thread Sam Reiter via USRP-users
Timestamps on RX samples are put in the CHDR Header by the Radio Core and are not changed by the DDC downstream, except for the case of interpolation / decimation. But even in this case, the remaining samples should still be repackaged with timestamps consistent with those given by the Radio Core.

Re: [USRP-users] Getting time from USRP X300

2020-02-06 Thread Marcus D. Leech via USRP-users
On 02/06/2020 10:53 AM, voonna santosh via USRP-users wrote: Hi There, I would like to connect external GPS antenna to X300 and get the time once GPS is locked. Can you please throw pointers on following things: * Does X300 support specific GPS antennas? If so can you please let me k

[USRP-users] Getting time from USRP X300

2020-02-06 Thread voonna santosh via USRP-users
Hi There,   I would like to connect external GPS antenna to X300 and get the time once GPS is locked. Can you please throw pointers on following things: - Does X300 support specific GPS antennas? If so can you please let me know ? - How do I know that X300's GPS is locked? Is there any AP

Re: [USRP-users] DPDK runtime error

2020-02-06 Thread BERTOLINI Rodolphe via USRP-users
Hello again, There seemed to have wrong rights on file, because after changing rights and editing the file I had this error: [INFO] [UHD] linux; GNU C++ version 7.4.0; Boost_106501; UHD_3.15.0.HEAD-0-gaea0e2de EAL: Detected 28 lcore(s) EAL: No free hugepages reported in hugepages-1048576kB EAL

Re: [USRP-users] DPDK runtime error

2020-02-06 Thread BERTOLINI Rodolphe via USRP-users
Hello, Sorry if I had better to create an other thread. I am trying also to reach better stability in OpenAirInterface, and to use USRP through DPDK. I face the exact same error, however I don't have /etc/uhd folder : $ locate uhd.conf /etc/security/limits.d/uhd.conf /etc/security/limits.d/uhd.c

Re: [USRP-users] X300 connecting 10Gb/s using baseT

2020-02-06 Thread Olivier Ravard via USRP-users
an information: using a 10Gb/s SFP+ to RJ45 module,  it works. Thanks for your help. Olivier Le 04/02/2020 à 11:20, Marcus Müller a écrit : > Ah, my bad, I was assuming you had a 10GBase-T SFP+ module. Sorry for > the confusion. > On Tue, 2020-02-04 at 09:26 +0100, Olivier Ravard via USRP-users