本文選題：多屏應(yīng)用　切入點(diǎn)：Wi-Fi　出處：《電子科技大學(xué)》2017年碩士論文

【摘要】：隨著移動(dòng)互聯(lián)網(wǎng)技術(shù)和智能終端的發(fā)展,PC(個(gè)人電腦)在家庭中的地位越來(lái)越邊緣化,但是我們不能否認(rèn)PC強(qiáng)大的計(jì)算處理能力。為了綜合利用PC的計(jì)算處理能力和智能終端的方便顯示特性,本文提出并實(shí)現(xiàn)了多屏應(yīng)用系統(tǒng),該系統(tǒng)采用Wi-Fi P2P協(xié)議,使PC與智能終端在不需要傳統(tǒng)網(wǎng)絡(luò)的情況下,實(shí)現(xiàn)設(shè)備間的無(wú)線直連。P2P網(wǎng)絡(luò)容易受到距離和信號(hào)干擾的限制。本文基于Xuggler開源項(xiàng)目,通過(guò)無(wú)線接入點(diǎn)的協(xié)助,實(shí)現(xiàn)了設(shè)備間的中轉(zhuǎn)連接。使得PC屏幕可以同步到使用Wi-Fi P2P協(xié)議的智能設(shè)備以及普通智能設(shè)備上。系統(tǒng)采用兩種方式實(shí)現(xiàn)設(shè)備連接:基于Wi-Fi P2P協(xié)議的無(wú)線直連方式、基于無(wú)線接入點(diǎn)的無(wú)線中轉(zhuǎn)連接方式。無(wú)線直連方式的優(yōu)點(diǎn)是連接方便,設(shè)備間的數(shù)據(jù)傳輸不依賴傳統(tǒng)網(wǎng)絡(luò)壞境,它的缺點(diǎn)是信號(hào)受到設(shè)備間距離以及信號(hào)干擾的限制。相對(duì)地,無(wú)線中轉(zhuǎn)連接方式的優(yōu)點(diǎn)是不易受到傳輸距離和信號(hào)干擾的限制,但是它需要傳統(tǒng)網(wǎng)絡(luò)的支持。無(wú)線直連方式和無(wú)線中轉(zhuǎn)連接方式各有優(yōu)缺點(diǎn),但二者優(yōu)勢(shì)互補(bǔ),拓展了多屏應(yīng)用系統(tǒng)的使用場(chǎng)景。系統(tǒng)支持PC到多個(gè)智能設(shè)備的屏幕同步。本文采用劃分子系統(tǒng)的方式,將系統(tǒng)劃分成三個(gè)子系統(tǒng):用戶控制子系統(tǒng)、終端顯示子系統(tǒng)、服務(wù)端子系統(tǒng)。對(duì)于每個(gè)子系統(tǒng),采用模塊化思想將不同的功能模塊化,一一實(shí)現(xiàn)每個(gè)模塊,最終實(shí)現(xiàn)整個(gè)系統(tǒng)。本文首先對(duì)Wi-Fi P2P協(xié)議以及相關(guān)的無(wú)線傳輸技術(shù)進(jìn)行了比較,分析了Wi-Fi P2P協(xié)議在進(jìn)行設(shè)備間數(shù)據(jù)傳輸?shù)膬?yōu)勢(shì),并對(duì)Wi-Fi P2P協(xié)議的相關(guān)原理和運(yùn)行機(jī)制、Android平臺(tái)、Xuggler開源項(xiàng)目進(jìn)行了介紹。隨后,對(duì)系統(tǒng)進(jìn)行需求分析,明確每個(gè)子系統(tǒng)的作用,進(jìn)而確定子系統(tǒng)中應(yīng)該包含的功能模塊。在詳細(xì)設(shè)計(jì)階段,首先規(guī)劃系統(tǒng)總體框架,明確每個(gè)子系統(tǒng)中各模塊的關(guān)系和作用,確定系統(tǒng)主要業(yè)務(wù)流程。在實(shí)現(xiàn)階段,詳細(xì)介紹每個(gè)功能的主要代碼,以及相關(guān)業(yè)務(wù)的算法。最后進(jìn)行功能性測(cè)試和非功能性測(cè)試,同時(shí)對(duì)系統(tǒng)進(jìn)行總結(jié)和展望經(jīng)測(cè)試,系統(tǒng)實(shí)現(xiàn)了上述功能,達(dá)到整體設(shè)計(jì)目標(biāo),同時(shí)具有較好的穩(wěn)定性。
[Abstract]:With the development of mobile Internet technology and intelligent terminals, PC (personal computer) is becoming more and more marginalized in the home, but we can not deny PC's powerful computing and processing power.In order to make use of the computing and processing ability of PC and the convenient display characteristic of intelligent terminal, a multi-screen application system is proposed and implemented in this paper. The system adopts Wi-Fi P2P protocol, which makes PC and intelligent terminal not need traditional network.The realization of wireless direct connection between devices. P2P network is easy to be limited by distance and signal interference.Based on Xuggler open source project, this paper realizes the transfer connection between devices with the help of wireless access point.Enables PC screens to synchronize with smart devices using Wi-Fi P2P protocols as well as general smart devices.The system uses two ways to realize the device connection: wireless direct connection based on Wi-Fi P2P protocol and wireless transfer connection based on wireless access point.The advantage of wireless direct connection is that it is convenient to connect and the data transmission between devices does not depend on the bad condition of traditional network. Its disadvantage is that the signal is limited by the distance between devices and the interference of signal.The advantage of wireless transit connection is that it is not easily limited by transmission distance and signal interference, but it needs the support of traditional network.Wireless direct connection mode and wireless transfer connection mode have their own advantages and disadvantages, but they complement each other and expand the use scenario of multi-screen application system.The system supports screen synchronization between PC and multiple smart devices.In this paper, the system is divided into three subsystems: user control subsystem, terminal display subsystem and server subsystem.For each subsystem, different functions are modularized by modularization idea, and each module is realized one by one, and finally the whole system is realized.This paper first compares Wi-Fi P2P protocol and related wireless transmission technology, analyzes the advantages of Wi-Fi P2P protocol in data transmission between devices, and introduces the related principle and running mechanism of Wi-Fi P2P protocol and Wi-Fi platform Xuggler open source project.Then, the requirements of the system are analyzed to determine the role of each subsystem, and then determine the functional modules that should be included in the subsystem.In the detailed design stage, we first plan the overall framework of the system, clarify the relationship and function of each module in each subsystem, and determine the main business process of the system.In the implementation phase, detailed introduction of each function of the main code, as well as related business algorithms.Finally, the functional test and non-functional test are carried out, and the system is summarized and forecasted. The system achieves the above function, achieves the overall design goal, and has good stability at the same time.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TN92

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