[srsran-users] About the 5GNR cell search

[Johann T.]

Hi Xavier,

Does the nr_cell_search_rf also work for other bands? I tried it on n78 and
it ran fine. When I changed it to n20 (where I know there is a NSA NR cell
nearby), I got an error (Assertion failure).

Thanks in advance.

Regards,
Johann





On Tue, May 9, 2023 at 3:56 PM Xavier Arteaga <xavier.arteaga at srs.io> wrote:

> Hi Haoran,
> First of all, I would make sure there is an NR cell nearby and that you
> know its SS/PBCH center frequency of it.
>
> Secondly, I would set the center frequency to match the SS/PBCH center
> frequency.
>
> I recommend using nr_cell_search_rf instead of nr_cell_search_test. This
> one uses the SS raster for the cell search, however, it has detection
> problems for moderate CFO.
>
> Kind regards,
> Xavier
>
> On Tue, 9 May 2023 at 11:13, HAORAN WAN <wanhr at outlook.com> wrote:
>
>> Dear Developers,
>>
>> I am trying to use the srsRAN_4G to do 5gNR cell search, I used the test
>> codes in /srsue/phy/test/nr_cell_search_test.cc but I cannot detect the 5g
>> cells around me. Can you tell me what I should do?
>>
>> Best regards,
>> Haoran Wan
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