영문내용
(English Abstract) |
This paper proposes a cognitive media sharing system using Device-to-Device(D2D)communication to reduce the network traffic burden by media contents and an ultrasonic sensor to draw people’s attention to them. For D2D communication, the proposed system exploits the Peer-to-Peer Standard Group Formation (P2P-SGF) in Wi-Fi Direct. The P2P-SGF performs discovery, group owner negotiation, Wi-Fi protected set up provisioning, and address configuration. After finishing P2P-SGF operation, a Digital Living Network Alliance(DLNA)server sets up a shared directory, and a DLNA client can obtain the media contents by the access to the shared directory. Especially, the proposed system automatically controls the play speed of the media according to the measured distance by the ultrasonic sensor fora cognitive media service.
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