Android設備之多來源Wi-Fi Display模型設計與實作

The Design and Implementation of Multi-source Wi-Fi Display Model on Android Devices

張育慈(Yu-Tzu Chang)

指導教授 ： 孫宏民

國立清華大學/電機資訊學院/資訊系統與應用研究所/碩士(2014年)

摘要

智慧型移動式裝置與無線網路相輔相成，智慧家庭的概念也逐漸興起；在這波智慧連網的浪潮中，許多開發者開始對移動式裝置的小螢幕與家庭中大螢幕結合的議題產生興趣。除了有線顯示方案以外，目前已經有許多業者提出在Wi-Fi無線網路架構下之無線顯示解決方案，如Apple公司的AirPlay、DLNA聯盟提出的同名方案DLNA、或是Wi-Fi聯盟提出的Wi-Fi Display。在現行的設計架構下，高畫質電視僅能與一台移動式裝置連線並播放其畫面。基於不同的設計考量，當移動式裝置直式螢幕內容顯示在高畫質電視時，會產生極大的畫面空間浪費。
本論文提出一個新的建構於Android平台上之多來源無線顯示架構，希望能藉由同時顯示多個來源之畫面內容的方法，提升移動式裝置於家庭高畫質電視螢幕顯示時之螢幕利用率，連帶擴增其使用情境，進而改善使用者的使用體驗。

關鍵字

Android ； Wi-Fi ； Wi-Fi 點對點傳輸 ； Wi-Fi Display ； 智慧家庭 ； 高畫質電視

並列摘要

Smart mobile devices and wireless network complement each other; Smart Home emerges gradually. Lots of developers start to study the connection issue of mobile devices and HDTV. Besides wire solutions to the issue, vendors provide wireless display solutions over Wi-Fi, such as AirPlay provided by Apple, DLNA proposed by DLNA, and Wi-Fi Display designed by Wi-Fi Alliance. HDTVs can only create one-to-one mapping to smart mobile devices under standard of Wi-Fi Display and display one remote source screen content at the same time. Due to different screen resolutions, huge display space is wasted when mobile devices vertically display their screens on remote HDTVs.
We propose a wireless multi-source display architecture in this thesis and implement a prototype which can present one or more source screens over Wi-Fi based on Android. With this proposition, we raise the screen utilization rate, increase scenarios, and improve user experience.

並列關鍵字

Wi-Fi P2P ； Smart Home ； HDTV

參考文獻

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[1] Wi-Fi Alliance Technical Committee Wi-Fi Diaplay Technical Task Group. Wi-fi display technial specification v1.0.0. Technical report, Wi-Fi Alliance, Oct. 2012. https://www.wi-fi.org/wi-fi-display-technical-specification-v1.

[2] Wi-Fi Alliance Technical Committee P2P Task Group. Wifi peer-to-peer (p2p) technical specification v1.2. Technical report, Wi-Fi Alliance, Dec. 2012. https://www.wi-fi.org/wi-fi-peer-to-peer-p2p-technical-specification-v12.