What is the maximum number of multiple antennas at a transmitter?

Hi all,

We are using USRP1 and 2 WBX d’boards to implement a transmitter with
two
antennas.
Since the two d’boards are synchronized, it was easy to implement.

Now we’re planning to implement a system with more than 2 transmit
antennas.

Is it possible to have more than 2 transmit antennas with USRP1?

Or, is it possible with other new USRP hardwares
(e.g., USRP-N210, USRP-E100, or USRP2)?

Thanks!

On 02/06/2011 05:43 PM, Minsuk Kang wrote:

Or, is it possible with other new USRP hardwares
(e.g., USRP-N210, USRP-E100, or USRP2)?

USRP-N210, USRP-E100, and USRP2 support (hardware based) timed
transmission and reception. And therefore, it is possible to synchronize
operations across multiple boards. However, this is not the case for
USRP1.

I should note that this is an atypical use case for the USRP-E100
because the host computer is the USRP, and is therefore only attached to
one USRP device.

-Josh

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