FILE100% FILE 25%

FILE100% Downloadin g Strategy FILE 40% FILE 10%

Main Activity Network Manager Join/Exit Network Group Peer Register/ Unregister Browse Peer Activity Peer Manager Peer List Peer Info Details File List File Download Activity File Request Message File Fragments Receiver Downloading config File Transfer Protocol

WiFi direct Mobile Device Existing protocol Android wifi.net.p2p class Android 4.0 devices only Conflict with other apps Open to all wireless devices Write all communication from scratch WiFi network Laptop Mobile Device

Our work at this moment Main Activity WiFi direct Network Manager One Peer Register/ Unregister File Download Activity File Transfer

What each team member did Boyu Chen: Yulin Xia: Haoyu Xu:

Establish Connection Wifi P2P Manager Initiate Peer DiscoveryConnect to Peer Import android.net.wifi.p2p

File Download Hardcode the file directory Open a socket Connection Transfer that file

What we are doing Connect the laptop and the android mobile phones through multicast and/or broadcast

Future Work File transfer protocol design The server control algorithm design

Future Work Two methodologies: WiFi direct, and multicast/broadcast listener Expand the current WiFi direct connection to multiple devices. (need more android 4.0 devices) Use one of the mobile devices as the server to control the resource allocation and downloading strategy

Future Work