Stanford and Google research WiFi Mesh Networks with Android

Ad-hoc Mesh Networks Using Android Phones

In some disaster scenarios or far reach areas, cell networks are non-functional but extremely important for emergency coordination and communication. The goal of this project is to allow for Android phones to function in an environment where the phone network is absent or goes down, by depending on the phone’s Wifi Hotspot capability to communicate with other phones seamlessly.

Newer Android phones (with release 2.2) are capable of functioning as Wifi Hotspots. Combined with GPS location knowledge, it should be possible to create Ad-Hoc mesh networks for communication, interchange of data, and possible connection to the Internet based on hops to a network. This would allow teams of any type to intercommunicate seamlessly in an area without cell phone coverage.

Desired capabilities include data transfer (including pictures), display of the location of all group members (including the direction and distance to any person based on the Mesh network), alerts when people join the network, store-and-forward messaging, and push-to-talk group communication.

Google will provide up-to-date Android phones for the team, with extra phones for testing purposes. If the project is completed successfully, team members will be allowed to keep the phones.

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