Would their mechanism included UHD based code? Also, I assume that the only other option would be to purchase an Octoclock or some other clock distribution module?
On Tue, Jan 25, 2022 at 10:40 Marcus D. Leech <[email protected]> wrote: > On 2022-01-24 20:53, LoyCurtis Smith via USRP-users wrote: > > My system setup is as follows: > > - 2 x USRP x310 with CBX-120 daughterboard > - 2 x Ubuntu 18.04 workstation > - 2 x Taoglas 45.8113 antenna > - 2 x Internal Reference Clock (Master Clock set at 184.32 MHz) > - 2 x Internal Time source > - 2 x Connected via 1 Gig-E interfaces > - 2 x Using UHD 4.1 > > The devices have been in two setups: stacked and a few inches apart. > > I am attempting to deploy a 5G network using the openairinterface (OAI) > software system. Both devices synchronize initially, then they fail. With > openairinterface, I am using frequency offset compensation at the UE. Its a > useful parameter when running over the air and/or without an external > clock/time source ( > https://gitlab.eurecom.fr/oai/openairinterface5g/blob/develop/doc/RUNMODEM.md > ) > > Is there a way to synchronize the reference clock/timing of both USRP > x310s over the air? In the future, I will be attempting to connect a third > USRP x310. My setup will include one base station and two user devices. > > V/r > > LoyCurtis Smith > > > Unless OAI provides some mechanism for that, the answer would be no. You > need a shared reference clock. > > > > _______________________________________________ > USRP-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > -- V/r LoyCurtis Smith
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