Hi Sumit, my first reaction would be to just merge the two flow graphs and do the collision in software – 100% isolated from changing environments and such.
From a hardware perspective: you can use the PPS input on the B210 to set a synchronous time and then trigger transmitting on time stamps. Best regards, Marcus On Fri, 2018-02-02 at 17:43 +0100, Sumit Kumar via USRP-users wrote: > Hi, > > I want to create a deterministic collision scenario between wifi and > zigbee. I am using gr-ieee 80211 and gr-ieee 802154 along with USRP > B210. > > I have a constraint that my wifi preambles should always collide with > an ongoing zigbee transmission. > > In order to do that, I am thinking of synchronizing the wifi > transmitter and zigbee transmitter (both connected in the same > laptop) in such a way that wifi transmits its frame only when zigbee > transmission is ongoing. > > Is there any way that zigbee transmitter triggers the wifi > transmitter whenever a zigbee frame is transmitted. > > Air time of zigbee is very high compared to wifi, so I am sure if > zigbee transmitter triggers wifi transmitter, wifi preambles will > collide with zigbee for sure. > > Both wifi transmitter and zigbee transmitter are connected to the > same laptop and using different USRP B210. > > I am not sure if the solution lies in gnuradio or uhd hence posting > at both places :) > > Regards > Sumit > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com _______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
