[srsran-users] Raw IQ values

Robert Falkenberg robert.falkenberg at srs.io
Tue Aug 9 11:22:11 UTC 2022


Hi Ashton,

take a look into |lib/include/srsran/radio/radio.h| in

|/** * Helper method for receiving over a single RF device. This 
function maps automatically the logical receive buffers * to the 
physical RF buffers for the given device. * * @param device_idx Device 
index * @param buffer Common receive buffers * @param rxd_time Points at 
the receive time (write only) * @return it returns true if the reception 
was successful, otherwise it returns false */ bool rx_dev(const 
uint32_t& device_idx, const rf_buffer_interface& buffer, 
srsran_timestamp_t* rxd_time); |

and |lib/src/radio/radio.cc|

|bool radio::rx_dev(const uint32_t& device_idx, const 
rf_buffer_interface& buffer, srsran_timestamp_t* rxd_time) { ... int ret 
= srsran_rf_recv_with_time_multi(&rf_devices[device_idx], radio_buffers, 
nof_samples, true, full_secs, frac_secs); ... } |

Best regards,
Robert

On 08.08.22 21:54, Ashton Palacios wrote:

> Hello,
>
> In my current setup I have two USRP B200 minis acting as the RF front 
> ends for a UE and ENB respectively. For a research project, I need 
> access to the raw IQ values for the UE before they get passed to the 
> automatic gain controller; where would I find that at?
>
> _______________________________________________srsran-users mailinglistsrsran-users at lists.srsran.comhttps://lists.srsran.com/mailman/listinfo/srsran-users

​
-- 


      RobertFalkenberg

Senior Engineer

Software Radio Systems

	
	
	
	

	robert at srs.io <mailto:robert at srs.io>

	www.srs.io <//www.srs.io>

	Dortmund, Germany




	
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