[srslte-users] Not receiving RAR

[Francisco Paisana]

Hey, I can't help you much with the oai enb. Did you find any similar
issues with the srsenb? If so, they would be more helpful for me. If not,
maybe check with oai experts if what you are seeing in their enb logs is
correct.

Regards,
Francisco

On Thu, 26 Mar 2020, 08:30 Samie Mostafavi, <samiemostafavi at gmail.com>
wrote:

> Hi,
>
> I am working on my Adrv SDR to get connected to an OAI enodeB with srsUE.
> I developed some custom drivers so the SDR is able to send TX buffers on
> time. My srsUE gets synced with enodeB and starts the RA transmission but I
> done get any RA response from the base station even though it detects the
> RAs. These are the logs from enodeB:
>
> [PHY]   [eNB 0/0][RAPROC] Frame 908, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.0 dB, delay 2760
> [PHY]   [eNB 0/0][RAPROC] Frame 918, subframe 1 Initiating RA procedure
> with preamble 23, energy 55.7 dB, delay 2760
> [PHY]   [eNB 0/0][RAPROC] Frame 930, subframe 1 Initiating RA procedure
> with preamble 23, energy 55.7 dB, delay 2784
> [PHY]   [eNB 0/0][RAPROC] Frame 938, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.9 dB, delay 2784
> [PHY]   [eNB 0/0][RAPROC] Frame 940, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.0 dB, delay 2784
> [PHY]   [eNB 0/0][RAPROC] Frame 946, subframe 1 Initiating RA procedure
> with preamble 23, energy 55.7 dB, delay 2808
> [PHY]   [eNB 0/0][RAPROC] Frame 952, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.9 dB, delay 2808
> [PHY]   prach_I0 = 0.0 dB
> [PHY]   max_I0 23, min_I0 12
> [PHY]   [eNB 0/0][RAPROC] Frame 78, subframe 1 Initiating RA procedure
> with preamble 23, energy 20.8 dB, delay 3336
> [PHY]   [eNB 0/0][RAPROC] Frame 88, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.0 dB, delay 3048
> [PHY]   [eNB 0/0][RAPROC] Frame 94, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.9 dB, delay 3072
> [PHY]   [eNB 0/0][RAPROC] Frame 100, subframe 1 Initiating RA procedure
> with preamble 23, energy 55.7 dB, delay 3072
> [PHY]   [eNB 0/0][RAPROC] Frame 110, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.9 dB, delay 3096
> [PHY]   [eNB 0/0][RAPROC] Frame 120, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.9 dB, delay 3096
> [PHY]   [eNB 0/0][RAPROC] Frame 130, subframe 1 Initiating RA procedure
> with preamble 23, energy 55.7 dB, delay 3120
> [PHY]   [eNB 0/0][RAPROC] Frame 140, subframe 1 Initiating RA procedure
> with preamble 23, energy 52.7 dB, delay 3120
> [PHY]   [eNB 0/0][RAPROC] Frame 146, subframe 1 Initiating RA procedure
> with preamble 23, energy 55.7 dB, delay 3144
> [PHY]   [eNB 0/0][RAPROC] Frame 156, subframe 1 Initiating RA procedure
> with preamble 23, energy 52.7 dB, delay 3144
> [PHY]   [eNB 0/0][RAPROC] Frame 278, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.0 dB, delay 3336
> [PHY]   [eNB 0/0][RAPROC] Frame 288, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.9 dB, delay 3360
> [PHY]   [eNB 0/0][RAPROC] Frame 294, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.0 dB, delay 3360
> [PHY]   [eNB 0/0][RAPROC] Frame 304, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.9 dB, delay 3384
> [PHY]   [eNB 0/0][RAPROC] Frame 314, subframe 1 Initiating RA procedure
> with preamble 23, energy 54.0 dB, delay 3408
> [PHY]   [eNB 0/0][RAPROC] Frame 324, subframe 1 Initiating RA procedure
> with preamble 23, energy 55.7 dB, delay 3408
>
> The ue log is also attached. I would appreciate if anyone can help.
>
> Best,
> Samie
>
> --
> Samie
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