how to use 2 usrp b210 to receive synchronously

2023-05-30 Thread james jordan
Hi all, i have 2 usrp b210 and i want to make 4 channel rx system. i make a uhd source and config mboard num 2 and channel count 4. but when i run the programme it says "RuntimeError: LookupError: IndexError: multi_usrp: RX channel 2 out of range for configured RX frontends" so how to set the so

Re: [GRCon'23] Call for Participation for the GNU Radio Conference 2023

2023-05-30 Thread Josh Morman
*Reminder:* The abstract submission date (June 5) for GRCon23 is less than a week away! Please submit your ideas for technical talks, workshops, posters here: https://events.gnuradio.org/event/21/abstracts/ Thanks! Josh On Fri, May 12, 2023 at 5:30 AM Marcus Müller wrote: > Dear Community,

Re: how to use 2 usrp b210 to receive synchronously

2023-05-30 Thread Marcus Müller
Dear James, you can't; uhd::multi_usrp only supports a single B210 per instance. You need to use two USRP source blocks. Best regards, Marcus On 5/30/23 12:34, james jordan wrote: Hi all, i have 2 usrp b210 and i want to make 4 channel rx system. i make a uhd source and config mboard nu

Re: how to use 2 usrp b210 to receive synchronously

2023-05-30 Thread james jordan
Hi Marcus, if i use 2 uhd source block how to make them synchronized. From: discuss-gnuradio-bounces+james.jordan.999=hotmail@gnu.org on behalf of Marcus Müller Sent: Tuesday, May 30, 2023 7:42 PM To: discuss-gnuradio@gnu.org Subject: Re: how to use 2 usrp

Re: how to use 2 usrp b210 to receive synchronously

2023-05-30 Thread Gwenhael Goavec-Merou
Maybe you have to look to this thread. Regards Gwen On Tue, 30 May 2023 11:54:44 + james jordan wrote: > Hi Marcus, > if i use 2 uhd source block how to make them synchronized. > > From: discuss-gnuradio-bounces+james.jordan.999=hotmail@gnu.org > on behal

Re: how to use 2 usrp b210 to receive synchronously

2023-05-30 Thread Gwenhael Goavec-Merou
With the link: https://lists.gnu.org/archive/html/discuss-gnuradio/2019-11/msg00034.html Sorry Gwen On Tue, 30 May 2023 14:03:18 +0200 Gwenhael Goavec-Merou wrote: > Maybe you have to look to this thread. > Regards > Gwen > On Tue, 30 May 2023 11:54:44 + > james jordan wrote: > > > Hi M

Re: how to use 2 usrp b210 to receive synchronously

2023-05-30 Thread Marcus D. Leech
On 30/05/2023 08:12, Gwenhael Goavec-Merou wrote: With the link: https://lists.gnu.org/archive/html/discuss-gnuradio/2019-11/msg00034.html Sorry Gwen The key is to set a common start-time on the two multi_usrp objects (after making sure that both units have   a common understanding of clock

Re: how to use 2 usrp b210 to receive synchronously

2023-05-30 Thread james jordan
thanks Marcus and Gwen. so i need to add the python source rather than config on the gnuradio block? From: discuss-gnuradio-bounces+james.jordan.999=hotmail@gnu.org on behalf of Marcus D. Leech Sent: Tuesday, May 30, 2023 9:53 PM To: discuss-gnuradio@gnu.org

One Tagged Input Stream to Unequal Output Streams

2023-05-30 Thread Alon Simon Levin
Hi all, I have a tagged stream block that takes in a fixed number of samples and outputs a subset onto a single stream. I want to extend this functionality to output two subsets of the input stream to two separate outputs, with an unequal number on each one. For example, for an input stream of 50

Re: One Tagged Input Stream to Unequal Output Streams

2023-05-30 Thread U L
Alon, Considering your sample ranges are contiguous you might be able to get away with using the stream to streams block or stream demux block. Take a look if one of those might suffice. Jared. On Tue, May 30, 2023, 2:28 PM Alon Simon Levin wrote: > Hi all, > > I have a tagged stream block tha