florian h florian h - 1 month ago 11
Android Question

WiFi Direct (Android 4.0) with multiple (3+) devices

Like here: Automatic authentication for Android WiFi Direct I want to create a mobile ad-hoc Wifi network with Android devices.
But unlike the linked question above I want to use the official Android WiFi Direct API which is availabe since Android 4.0.

So is there a way to not only connect 2 devices via WiFi Direct but also three or more? So messages could be passed from one device to another using several other devices in between (therefore spanning a larger distance between the sender and receiver)?

The Wifi Direct demo only works for pairing two devices and I could not find a way to do anything else.

Thanks!

Answer

Is there a way to not only connect 2 devices via WiFi Direct but also three or more?

Yes, the Wi-Fi Direct specifications explain it is possible to create a 1 to many connection. One of the devices will act as a group owner (think it as an access point). I have been able to create a Wi-Fi Direct network with 3 devices during some tests.

As all the devices have to be in the range of the group owner, you are sure that your message will arrive to the second client. 1st client -> group owner -> 2nd client

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