[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] DBSRX tune delay
From: |
Sylvain Munaut |
Subject: |
Re: [Discuss-gnuradio] DBSRX tune delay |
Date: |
Tue, 08 Dec 2009 13:38:45 +0100 |
User-agent: |
Thunderbird 2.0.0.23 (X11/20091028) |
Vadim Uvin wrote:
> I have USRP+DBSRX. I'm trying to listen to uplink channel (MS->BTS) of
> GSM. To do that, I first need to be synced with the BS (i.e. listen to
> synchronization channel of BTS). Then I have to change the center
> frequency to uplink channel, but I need to know how long it takes before
> USRP gets stable or I can lost the synchronization. Unfortunately, I
> can't find what the tune delay of DBSRX is. Maybe someone knows?
You should use inband signalling, this way you have a 'sample' counter
and you know precisely 'where' you are in time.
Or you use two dbsrx, following both up & downlink ....
Sylvain