I think the scanning stage may send out some very strong signals that could cause some serious 2.4 GHz interference. Not 100 percent sure though.
Additionally, I think it sends stuff out all 79 channels. So it will definitely overlap some Wifi stuff. On Tuesday, February 26, 2013 11:12:33 AM UTC-6, Matt M wrote: > > Thank you for the response. > > A constant bluetooth scan is necessary, that is what the application is > designed to do - constantly detect nearby bluetooth devices. If your > concern is battery drain well we have purchased numerous external power > packs which will be able to power this for days. If there is another > concern I am not aware with a constant scan please do share. > > A single scan does not cause a drop, no. The application I designed calls > startDiscovery() every time the discovery is finished (unless manually > stopped) to keep it constant. To verify my suspicion that bluetooth > discovery was causing the drops I connected the devices via WiFi Direct, > navigated to Android's bluetooth settings on the device and manually tapped > "Scan" every time it finished. Sure enough one of the connections dropped > off after about 8 consecutive scans. > > I am using a Samsung Galaxy Tab 2 10.1 as the WiFi Direct group owner, and > 2 Samsung Galaxy Tab 2 7.0 tabs which should send data to the group owner. > The 7.0 devices are running the scans. > > On Tuesday, February 26, 2013 11:47:58 AM UTC-5, Matt M wrote: >> >> Hello, >> >> I made an application (for work, not for public use) that constantly runs >> a bluetooth scan to detect any nearby devices. The next phase of the >> application was to connect a few android devices together so that could >> share the data they receive, to do this we purchased 3 Samsung Tabs to >> connect them via WiFi Direct. >> >> The problem is the WiFi Direct connections ALWAYS drop when my >> application is running (specifically running the bluetooth scan). When I do >> not run the bluetooth scan the WiFi Direct connections have not >> disconnected. >> >> Does anyone have any information that could help me here? Am I just out >> of luck and a bluetooth scan will always cause a WiFi Direct disconnect? >> >> Thank you, >> >> Matt. >> > -- -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
