[USRP-users] eCPRI interfance support for USRPs

2021-12-22 Thread Armin Ghani
USRP products such as X300 series or so. Regards. -- Armin Ghani Research Engineer | Communication Systems Division (CSD) agh...@cttc.es <mailto:agh...@cttc.es>| +34 93 645 29 08 (2143) Centre Tecnològic de Telecomunicacions de Catalunya (CTTC) Av. Carl Friedrich Gauss, 7 - Edifici B4 -

[USRP-users] Remote Resetting of USRP

2021-09-03 Thread Armin Ghani
s a bit difficult for me. I'd like to know if there are any other way to solve this issue or if you know remote ways to do resetting which is equivalent to hard reset. Regards. -- Armin Ghani Research Engineer | Communication Systems Division (CSD) agh...@cttc.es <mailto:agh...

[USRP-users] Transmission and Reception samples synchronously in GNURadio

2021-07-21 Thread Armin Ghani
ssuming at the same frequency reception), I'll have those samples in the RX stream which is delayed equal to end-to-end propagation delay of USRPs. If you have any tips/tricks to do it in GRC, I'll be more than thankfull. Regards. -- Armin Ghani Research Engineer | Communication Systems

[USRP-users] Transmission and Reception samples synchronously in GNURadio

2021-07-19 Thread Armin Ghani
ssuming at the same frequency reception), I'll have those samples in the RX stream which is delayed equal to end-to-end propagation delay of USRPs. If you have any tips/tricks to do it in GRC, I'll be more than thankfull. Regards. -- Armin Ghani Research Engineer | Communication Systems

[USRP-users] Re: Multi USRP TX configuration in GNURadio

2021-07-14 Thread Armin Ghani
channels to 4 (with the skip_dram arg removed), and drive the two unused TX channels with a const source 0? Jonathon On Fri, Jul 9, 2021 at 11:56 AM Marcus D. Leech mailto:patchvonbr...@gmail.com>> wrote: On 07/09/2021 11:54 AM, Armin Ghani wrote: 5Msps If there's a way

[USRP-users] Re: Multi USRP TX configuration in GNURadio

2021-07-09 Thread Armin Ghani
5Msps On 9/7/21 17:50, Marcus D. Leech wrote: On 07/09/2021 10:31 AM, Armin Ghani wrote: Thanks Marcus. It helped to resolve the error. But UHD consistently prints "L" in the output. Would you what DRAM FIFO block actually does? It's a FIFO between the DUC and the ADC a

[USRP-users] Re: Multi USRP TX configuration in GNURadio

2021-07-09 Thread Armin Ghani
Thanks Marcus. It helped to resolve the error. But UHD consistently prints "L" in the output. Would you what DRAM FIFO block actually does? Regards On 9/7/21 14:41, Marcus D. Leech wrote: On 07/09/2021 07:40 AM, Armin Ghani wrote: Dear community I've been trying

[USRP-users] Multi USRP TX configuration in GNURadio

2021-07-09 Thread Armin Ghani
here is no other solution to do so. Attached you can find the flowgraph that I run. Best regards. -- Armin Ghani Research Engineer | Communication Systems Division (CSD) agh...@cttc.es <mailto:agh...@cttc.es>| +34 93 645 29 08 (2143) Centre Tecnològic de Telecomunicacions de Catalunya

[USRP-users] Re: RuntimeError: Reference Clock PLL failed to lock to external source, when trying to synch 3 USRPs

2021-07-07 Thread Armin Ghani
I finally caught the bug, I mistakenly swapped the REF and TRG ports and one the USRPs couldnt lock to the reference. Thanks for your support. On 7/7/21 17:22, Marcus D. Leech wrote: On 07/07/2021 11:19 AM, Armin Ghani wrote: I checked the signals at the cable end which attached to the USRP

[USRP-users] Re: RuntimeError: Reference Clock PLL failed to lock to external source, when trying to synch 3 USRPs

2021-07-07 Thread Armin Ghani
I checked the signals at the cable end which attached to the USRP input reference. And all the cables are the same part number with same cable length. Is there anything else to check? On 7/7/21 17:16, Marcus D. Leech wrote: On 07/07/2021 11:14 AM, Armin Ghani wrote: I've just checke

[USRP-users] Re: RuntimeError: Reference Clock PLL failed to lock to external source, when trying to synch 3 USRPs

2021-07-07 Thread Armin Ghani
I've just checked the reference source for all USRPs, both 10MHz and 1PPS are perfectly distributed on the octoclock output. 10MHz => 3.5V p-p 1PPS => 5V p-p Regards. On 7/7/21 16:43, Marcus D. Leech wrote: On 07/07/2021 10:38 AM, Armin Ghani wrote: What do you mean by not impl

[USRP-users] Re: RuntimeError: Reference Clock PLL failed to lock to external source, when trying to synch 3 USRPs

2021-07-07 Thread Armin Ghani
USRP hardware? Regards. On 7/7/21 16:33, Marcus D. Leech wrote: On 07/07/2021 09:36 AM, Armin Ghani wrote: Dear USRP and GNURadio Community I have 3 USRP X310 with two SBX-120 daughterboards installed. each of USRPs has two dedicated 10GB Interface with host server. I'm trying

[USRP-users] RuntimeError: Reference Clock PLL failed to lock to external source, when trying to synch 3 USRPs

2021-07-07 Thread Armin Ghani
x27;external', 0)   File "/usr/local/lib/python3/dist-packages/gnuradio/uhd/uhd_swig.py", line 3793, in set_clock_source     return _uhd_swig.usrp_source_sptr_set_clock_source(self, source, mboard) RuntimeError: RuntimeError: Reference Clock PLL failed to lock to external source