Thanks Ian. Am I correct to assume that this is not the case for N210? What about for the N310? I am not so sure in this case, as it uses an AD chip as the B210.
Regards El mié., 12 dic. 2018 a las 15:26, Ian Buckley (<i...@ionconcepts.com>) escribió: > Brais, > Sam sent you a little bit the wrong direction there, the B200mini has the > PLL phase noise issue that precludes use in a MIMO system. > The B210 can be fully time and frequency locked to an external 10MHz > reference and PPS. > What is slightly tricky about using multiple B210’s in a MIMO > configuration is that the internal frequency synthesizers will have a > residual phase ambiguity after they have been configured, and this must be > characterized and compensated for after any retune. > > Watch this to gain insight into the issues involved: > https://www.analog.com/en/education/education-library/webcasts/developing-multiple-input-multiple-output.html > -Ian > > On Dec 12, 2018, at 2:30 AM, Brais Ares via USRP-users < > usrp-users@lists.ettus.com> wrote: > > Thanks Sam! If I understand correctly the link that you refer to, it is > possible to obtain time and phase synchronization with B210s, so the only > issue would be to compensate phase offset which could be done by software. > Could you elaborate a little bit more? I'm probably missunderstading the > thread you link, but from it I take that MIMO implementations are possible > with B210. Also, can you provide any link for the difference between B210 > and N210 that allows to use the later but not the former? > > Regards, > Brais. > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > > >
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