On Mon, May 26, 2014 at 4:53 AM, <suleman....@gmail.com> wrote: > I am working on a project using BeagleBoard-xM. The goal of the project is > to get received signal strength indicator (RSSI) of a mobile device in the > vicinity of the board. . We use TL-WN722n wireless usb adapter to get RSSI > of a mobile device. > > All the code implementations have been successfully made. We can get RSSI of > a particular device using its MAC Address. However we are encountering a > problem in that the RSSI doesn't change much when we move our device to > different points in the test area. > > If we connect the wireless adapter directly to a PC and run our code on the > standalone PC we get accurate results. However running the same code on the > board doesn't produce the same results. We used tcpdump and wireshark to get > RSSI on the board and we get the same bad results. So this eliminates the > possibility that there is something wrong with the code. > > Can someone provide an insight as to what might be different on the board > compared to a PC that cause this difference in RSSI?
Are you using the "exact" same linux driver version for the TL-WN722n on both the BeagleBoard-xM and standalone pc? Regards, -- Robert Nelson http://www.rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
