The ORBIT Grid domain now has a USRP based massive-MIMO setup available for experiments. The first corner rack (located under node20-1) is complete and contains eight 10MHz and PPS synchronized Ettus USRP X310 software defined radios outfitted with two UBX 160 radio daughterboards each. These USRPs appear as nodes 23-1 through 23-8. More information is available in the wiki page for the Grid domain.


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