[srsran-users] Sampling Rate Issue on N3xx

[Ismael Gomez]

I just realized you will also need to set a different master_clock_rate for
the N320, just pass: "type=n3xx,master_clock_rate=245.76e6" as
"device_args" in the "rf_driver" section and the desired sampling rate.

On Mon, 27 Feb 2023 at 21:08, Ismael Gomez <ismael at srs.io> wrote:

> Hi Joshua,
>
> Have you tried using "srate" option in "rf_section"? You should use it to
> set a sampling rate supported by your radio. In this version you don't need
> to set any lte_sample_rate option.
>
> On Mon, 27 Feb 2023 at 09:38, Ofori Boateng, Joshua [E CPE] <
> jboateng at iastate.edu> wrote:
>
>> Hello folks,
>>
>> I am running the new srsRAN project with N320 and I keep having the
>> sampling rate issue below. On the 4G srsRAN code I used the
>> expert.lte_sample_rates=true tag and works. Anyone knows how to enable this
>> in the new code? Thank you.
>>
>>
>> Available radio types: uhd.
>>
>> --== srsRAN gNB (commit 77be7d339) ==--
>>
>> [INFO] [UHD] linux; GNU C++ version 9.4.0; Boost_107100;
>> UHD_4.0.0.HEAD-0-g90ce6062
>> Making USRP object with args 'type=n3xx,master_clock_rate=122.88e6'
>> [ERROR] [RPC] Invalid master clock rate: 122.88 MHz
>> [ERROR] [MPM.RPCServer] init() failed with error: Invalid master clock
>> rate: 122.88 MHz
>> Failed to open device with address 'type=n3xx': RuntimeError: Error
>> during RPC call to `init'. Error message: Invalid master clock rate: 122.88
>> MHz
>> srsGNB ERROR: Unable to create radio session.
>>
>>
>>
>> Best,
>> Joshua
>>
>> Graduate Research Assistant
>> Department of Electrical and Computer Engineering
>> Iowa State University
>> Ames, IA.
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>>
>
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