Martin Dvh wrote: > Rohit Gupta wrote: > >>Hi, >> >>We are working on using GNURadio for using it as RF node capable of >>2*2/4*4 MIMO. All the RF nodes are connected to very big FPGA like the >>one used in "Berkeley Emulation Engine (BEE)" using "Infiniband" >>Optical Fiber. All the signal processing is implemented in "BEE" >>hardware. We wanted to replace USB with Infiniband so that we can send >>raw ADC/DAC samples to/from BEE processing engine. It would be very >>helpful if some body could give us pointers on how to do this so that >>we can reuse most of the design of GNUradio board. >> >>Also, I have come across some people using two GNURadio boards for 4*4 >>MIMO. Is there a document which describes how to synchronize the LOs >>of two GNURadio boards for coherent MIMO processing and program two >>GNURadio boards for 4*4 MIMO?? I just put the desciption of how to do MIMO (MultiUSRP) in the wiki. see: http://gnuradio.org/trac/wiki/MultiUsrp
or http://gnuradio.org/trac/wiki/Mimo Greetings, Martin > > Read this document, it should explain it: > gnuradio-examples/python/multi_usrp/README > > (online available as > http://gnuradio.org/trac/browser/gnuradio/trunk/gnuradio-examples/python/multi_usrp/README > ) > > Also read: > http://gnuradio.org/trac/wiki/USRPClockingNotes > > Make sure you understand the hardware requirements, have the right cables, > and set the usrp clock input and output accordingly. > > I wrote the code to enable this and have experience in using it. > I you have any questions or problems getting it to work feel free to ask. > > Greetings, > Martin > > >>Thanks, >>Rohit >> >> >>_______________________________________________ >>Discuss-gnuradio mailing list >>Discuss-gnuradio@gnu.org >>http://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> > > > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
