How Many USRPs/USRP RIOs Do I Need for a 16x16 MIMO System?

Updated Jan 5, 2018

Reported In

Other

  • NI USRP
  • NI USRP RIO

Issue Details

I am working on 5G project and I want to implement 16x16 MIMO system . I have some NI USRPs and USRP RIOs and I want to know how many USRPs I need for my system?

Solution

You can build a 16x16 MIMO system using 8 USRP RIOs or 32 USRPs:
1) In the case of a USRP RIO: You have 2 transceivers and you can use one as a transmitter and one as a receiver.
2) In the case of a USRP: Each USRP can be used either as a transmitter or a receiver.

You can refer to this white paper for more information regarding the MIMO architecture.

Additional Information

For any YxY MIMO System, you need either ½ Y of USRP RIOs or 2Y of USRPs.

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