【摘要】：隨著信息化的不斷發(fā)展,移動通訊技術(shù)發(fā)展迅猛,各個設(shè)備之間的通訊方式已經(jīng)不再局限于主干網(wǎng)絡(luò)或者蜂窩網(wǎng)絡(luò),固定的有線或無線網(wǎng)絡(luò)已經(jīng)不能滿足現(xiàn)在應(yīng)用通訊的需求。藍(lán)牙作為一種開放性的短距離無線通信技術(shù)標(biāo)準(zhǔn)在最近幾年不斷完善,手機(jī)上的藍(lán)牙設(shè)備已經(jīng)具有低功耗、低延時、傳輸距離長等等特性,因此通過手機(jī)藍(lán)牙設(shè)備建立連接,形成一個脫離于主干網(wǎng)的網(wǎng)絡(luò),數(shù)據(jù)的傳輸不再依賴主干網(wǎng)。這樣形成的網(wǎng)絡(luò)展現(xiàn)出廣闊的應(yīng)用前景。首先本文分析了目前比較關(guān)鍵的兩種自組網(wǎng)路由協(xié)議類型的優(yōu)缺點(diǎn),主動路由協(xié)議和按需路由協(xié)議。另外,詳細(xì)分析OLSR路由協(xié)議和AODV路由協(xié)議來說明這兩類型路由。分析發(fā)現(xiàn)目前有各種特點(diǎn)的自組網(wǎng)或多跳網(wǎng)絡(luò)的路由協(xié)議被提及,但是基本都是網(wǎng)絡(luò)中設(shè)備位置相對固定,拓?fù)鋱D很少變化的情況,并且也沒有考慮到手機(jī)設(shè)備的具體場景。本文提出了一種全新的BDRP路由協(xié)議,該協(xié)議適用于將手機(jī)藍(lán)牙設(shè)備作為通信基礎(chǔ)形成的脫離主干網(wǎng)的網(wǎng)絡(luò)。利用本文的路由協(xié)議,條件允許的情況下在該網(wǎng)絡(luò)中任意兩個設(shè)備都可以進(jìn)行數(shù)據(jù)交換,而不用受限于目前藍(lán)牙只能短距離傳輸?shù)那闆r。在這樣的網(wǎng)絡(luò)中,因?yàn)槭謾C(jī)一般都是人隨身攜帶,并且所處的位置通常都在人群中,所以手機(jī)跟隨人移動的比較頻繁,網(wǎng)絡(luò)的拓?fù)鋱D變化很快,手機(jī)藍(lán)牙節(jié)點(diǎn)比較密集。為了讓數(shù)據(jù)能及時的正確的到達(dá)目的地,網(wǎng)絡(luò)中的路由協(xié)議就突顯的尤為重要。本文路由協(xié)議提出了幾個關(guān)鍵的機(jī)制來路由數(shù)據(jù),比如已處理數(shù)據(jù)表機(jī)制、借助數(shù)據(jù)包排節(jié)點(diǎn)策略、回源控制策略等辦法來高效率的傳輸數(shù)據(jù)。該協(xié)議能夠滿足手機(jī)在帶寬、功耗、存儲空間以及計(jì)算能力等方面的限制,并且適用于網(wǎng)絡(luò)拓?fù)渥兓斓惹闆r,同時協(xié)議自身也有數(shù)據(jù)傳輸延遲小、控制信息少等特點(diǎn)。本文最后通過開發(fā)的模擬器模擬路由算法的結(jié)果,驗(yàn)證了本文的路由算法的可行性,并對比了各個條件對路由算法性能的影響。同時把BDRP路由算法和OLSR路由算法做了對比。另外基于本文的路由協(xié)議在Android手機(jī)上實(shí)現(xiàn)了一個APP用于文字語言聊天,并進(jìn)行的實(shí)測。同時最后給出下一步的研究方向。
[Abstract]:With the continuous development of information technology, the rapid development of mobile communication technology, the communication between the various devices is no longer confined to the backbone network or cellular networks, fixed wired or wireless networks can no longer meet the needs of current applications. Bluetooth, as an open short-range wireless communication technology standard, has been continuously improved in recent years. Bluetooth devices on mobile phones have the characteristics of low power consumption, low delay, long transmission distance and so on. Form a network separated from the backbone network, data transmission is no longer dependent on the backbone network. The network formed in this way shows a broad application prospect. Firstly, this paper analyzes the advantages and disadvantages of two key ad hoc routing protocols, active routing protocol and on-demand routing protocol. In addition, the OLSR routing protocol and the AODV routing protocol are analyzed in detail to illustrate the two types of routing. It is found that the routing protocols of ad hoc networks or multi-hop networks with various characteristics are mentioned, but the location of devices in the network is relatively fixed, the topology diagram is seldom changed, and the specific scenarios of mobile devices are not taken into account. In this paper, a new BDRP routing protocol is proposed, which is suitable for the network which is separated from the backbone network based on Bluetooth devices. Using the routing protocol in this paper, any two devices in the network can exchange data under the condition of condition, without limiting the Bluetooth transmission only in short distance. In such a network, because the mobile phone is usually carried by people and the location is usually in the crowd, the mobile phone moves with people more frequently, the topology of the network changes rapidly, and the Bluetooth nodes of the mobile phone are relatively dense. In order to get the data to the destination in time, the routing protocol in the network is especially important. In this paper, several key mechanisms are proposed to route data, such as data table mechanism, packet routing strategy, source control strategy and so on. The proposed protocol can meet the limitations of bandwidth, power consumption, storage space and computing power of mobile phones, and is suitable for fast network topology changes. At the same time, the protocol itself has the characteristics of low data transmission delay and less control information. Finally, the feasibility of the proposed routing algorithm is verified by simulating the routing algorithm by the simulator developed in this paper, and the effects of various conditions on the performance of the routing algorithm are compared. At the same time, the BDRP routing algorithm and the OLSR routing algorithm are compared. In addition, based on the routing protocol of this paper, a APP for text language chat is implemented on Android mobile phone. At the same time, the next research direction is given.
【學(xué)位授予單位】：電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TN925

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本文編號：2211823