[USRP-users] USRP B210 and E310
Marcus D. Leech
mleech at ripnet.com
Mon Mar 21 13:51:04 EDT 2016
Just changing the subject line on this, to keep it in one thread.
On 03/21/2016 01:47 PM, Marcus D. Leech via USRP-users wrote:
> On 03/21/2016 01:36 PM, Thomas Wagner wrote:
>> Hi Marcus,
>> Thanks for the diagram, the computer I have with me cannot display
>> the entire flow graph. I still have 3.7.3 on my Macbook. I will
>> run the example on 3.9.1 on the MacMini when I get home later this
>> afternoon. Where is the documentation on the device, subdev, and
>> antenna specification for the B210 and the E310? I will also get
>> the latest SD image for the E310 and put it on a fast SD card.
>> Not sure if I should just run Ubuntu on my Mac, do you think that
>> would be better?
> For device identification, see here:
> For subdev specs:
> And for antenna, it's nearly always "RX2" and "TX/RX" as the choices
> for antenna. For TX, you can only use "TX/RX".
> Run the OS that you're comfortable with. Definitely make sure you
> have recent Gnu Radio and UHD.
>> 310-387-4929 cell
>> On 3/21/16 10:30 AM, Marcus D. Leech via USRP-users wrote:
>>> On 03/21/2016 11:25 AM, Thomas Wagner via USRP-users wrote:
>>>> I sent this message a few days ago.
>>>> I have both a B210 and an E310. I am using GRC. I don't
>>>> understand how to set up the ports with USRP source and sync to use
>>>> the devices in MIMO mode. I get single channel (B210) to work
>>>> using the default ports. I would like to transmit on one port and
>>>> receive on two ports both channels I/Q to do phase comparison for
>>>> radar processing. I have the latest stable GNUradio and UHD.
>>>> Can anyone please help with this?
>>> Something to understand about B2xx and E3xx, is that the RFFE chip
>>> precludes any kind of 2x1 or 1x2 MIMO configuration--it's either
>>> 1x1 or 2x2--this is a limitation of the RFFE chip, and "making it
>>> nice" in the FPGA would consume a lot of space that is usefully occupied
>>> by other things.
>>> Attached is an absolutely bare-bones flow-graph showing setup for
>>> 2x2 MIMO with a B210.
>>> USRP-users mailing list
>>> USRP-users at lists.ettus.com
> USRP-users mailing list
> USRP-users at lists.ettus.com
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