[srslte-users] Multiple cell search

[Xavier Arteaga]

Hi Justin,
What SDR are you using?

SDR's based on AD9361 like the Ettus Research B210 performs an RF
calibration after every frequency change. This calibration takes around 0.3
seconds which is a bottleneck.

I guess the easiest is to make the radio sample at the maximum sampling
rate (30.72MHz for example) and decimate with a DDC to 1.92MHz. So, the
cell search would do instant changes of frequency inside a window without
having to change the device center frequency.

Regards,
Xavier

On Mon, 13 May 2019 at 09:56, Justin Choi <junione1997 at gmail.com> wrote:

> Hello srsLTE Team,
>
> I am looking at ways to allow my SDR to scan for all available cells in
> multiple bands at once. Currently the provided cell_search example seems
> like it can only scan one band at a time by parsing -b parameter. How can I
> achieve this? (is there a way to make the scan quicker? takes too long for
> each band).
>
> My aim is to create a routine scheduler that checks nearby cell's status
> info every 30 mins.
>
> Are there any examples for this? My c/c++ skill is very basic and I'm
> finding it hard to modify the exmples myself.
>
> kind regards
> Justin
>
>
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