[USRP-users] The right sample rate for USRP N210

Deddi Hariprawira deddihp at gmail.com
Tue Sep 18 22:08:11 EDT 2012


I think so,

Is there anyone in the list who have tried to run airprobe with N210 ?.

can you share the configuration ?.

Thanks,


On Tue, Sep 18, 2012 at 10:40 PM, Nick Foster <nick at ettus.com> wrote:

> N210 uses a 100Msps native clock rate, so you should pick a sample rate
> which is a factor of 100e6. I don't know what rate gsm_receive.py is
> expecting, so I can't advise you what particular rate you should be using.
>
> --n
>
> On Tue, Sep 18, 2012 at 1:35 AM, Deddi Hariprawira <deddihp at gmail.com>wrote:
>
>> Hi List,
>>
>> I have a problem of using airprobe gsm-receiver.
>> I am using N210 USRP.
>>
>> I am assuming that the clock reference of N210 is 64 MHz and decimation
>> rate is 112 so i put the following script to run
>>
>> sudo uhd_rx_cfile -g 0 --samp-rate 571428.571429 -f 945400000 mypipe
>>
>> But when I decode it using
>>
>> gsm_receive.py -I mypipe -d 112
>>
>> it prints
>> sch.c:260 ERR: conv_decode 11
>> sch.c:260 ERR: conv_decode 11
>> sch.c:260 ERR: conv_decode 10
>> sch.c:260 ERR: conv_decode
>>
>> What is the right sample rate for USRP N210 ?.
>>
>> Thanks,
>>
>>
>> _______________________________________________
>> USRP-users mailing list
>> USRP-users at lists.ettus.com
>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>>
>>
>
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