發(fā)布時(shí)間：2018-10-20 14:11

【摘要】：戰(zhàn)術(shù)數(shù)據(jù)鏈本質(zhì)上是一種數(shù)據(jù)通信系統(tǒng)，它能夠鏈接戰(zhàn)場(chǎng)上的傳感器平臺(tái)、指揮控制單元和武器平臺(tái)等各種作戰(zhàn)平臺(tái)，從而使各種作戰(zhàn)平臺(tái)之間快速地交換各種情報(bào)信息，實(shí)現(xiàn)戰(zhàn)場(chǎng)態(tài)勢(shì)和信息的共享，提高協(xié)同作戰(zhàn)的能力。 美軍下一代數(shù)據(jù)鏈系統(tǒng)TTNT針對(duì)現(xiàn)有數(shù)據(jù)鏈體制的缺陷，實(shí)現(xiàn)了近乎革命性的體制優(yōu)化。TTNT以全I(xiàn)P通信為基礎(chǔ)，，在物理層面實(shí)現(xiàn)了基于跳頻復(fù)用的全雙工無(wú)線通信能力，在鏈路層面則以全雙工通信為基礎(chǔ)實(shí)現(xiàn)了基于優(yōu)先級(jí)概率統(tǒng)計(jì)的多址接入模式SPMA(statistic priority-based multiple access)。戰(zhàn)術(shù)數(shù)據(jù)鏈的鏈路層協(xié)議或稱(chēng)MAC協(xié)議描述了節(jié)點(diǎn)接入無(wú)線信道的規(guī)則，采用合適的MAC協(xié)議，能夠更合理地分配有限的無(wú)線帶寬資源，是戰(zhàn)術(shù)數(shù)據(jù)鏈的關(guān)鍵技術(shù)之一。 本課題研究對(duì)比了各類(lèi)MAC協(xié)議的特點(diǎn)，針對(duì)現(xiàn)有MAC協(xié)議的缺陷，參考美國(guó)有關(guān)SPMA協(xié)議的專(zhuān)利，設(shè)計(jì)了基于統(tǒng)計(jì)優(yōu)先級(jí)的鏈路層協(xié)議SPMA，并以此為基礎(chǔ)在OMNET++仿真平臺(tái)上對(duì)SPMA協(xié)議進(jìn)行了建模仿真。SPMA協(xié)議對(duì)信道是否可用的判斷、基于優(yōu)先級(jí)的發(fā)送判決和“削峰填谷”的流量控制機(jī)制，有效地降低了信道沖突，保證了數(shù)據(jù)發(fā)送的實(shí)時(shí)性和高優(yōu)先級(jí)數(shù)據(jù)較高的成功傳輸概率。仿真結(jié)果表明，隨著網(wǎng)絡(luò)節(jié)點(diǎn)的增多，SPMA協(xié)議最高優(yōu)先級(jí)的時(shí)延保持在5毫秒左右；隨著業(yè)務(wù)量的增大，SPMA協(xié)議能夠保障最高優(yōu)先級(jí)數(shù)據(jù)包一次發(fā)送的成功率不低于90%。SPMA具有低時(shí)延、高吞吐量和較好的QoS保障等優(yōu)點(diǎn)，符合戰(zhàn)術(shù)數(shù)據(jù)鏈的發(fā)展趨勢(shì)。
[Abstract]:Tactical data link is essentially a kind of data communication system, which can link various combat platforms such as sensor platform, command and control unit and weapon platform on the battlefield, so that all kinds of intelligence information can be exchanged quickly between various combat platforms. The sharing of battlefield situation and information is realized, and the ability of cooperative combat is improved. The next generation data link system (TTNT) of the US military has realized nearly revolutionary system optimization in view of the defects of the existing data link system. TTNT realizes the full duplex wireless communication capability based on frequency hopping multiplexing on the physical level on the basis of full IP communication. Based on full-duplex communication, a multi-access mode SPMA (statistic priority-based multiple access). Based on priority probability statistics is implemented at link level. The link layer protocol or MAC protocol of tactical data link describes the rules of node access to wireless channel. It is one of the key technologies of tactical data link to use appropriate MAC protocol to allocate the limited wireless bandwidth resource more reasonably. This paper studies and compares the characteristics of all kinds of MAC protocols, aiming at the defects of the existing MAC protocols, referring to the patents of the SPMA protocols in the United States. The link layer protocol (SPMA,) based on statistical priority is designed and modeled on the OMNET simulation platform. The SPMA protocol is used to judge whether the channel is available or not. The priority based decision and flow control mechanism can effectively reduce the channel conflict and ensure the real-time performance of data transmission and the high probability of successful transmission of high priority data. The simulation results show that with the increase of network nodes, the delay of the highest priority of SPMA protocol remains around 5 milliseconds, and with the increase of traffic, the SPMA protocol can ensure that the success rate of sending the highest priority data packet at one time is not lower than that of 90%.SPMA. The advantages of high throughput and good QoS guarantee are in line with the development trend of tactical data link.
【學(xué)位授予單位】：北京理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類(lèi)號(hào)】：TN919.2

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 劉翠海;;美軍戰(zhàn)術(shù)數(shù)據(jù)鏈的發(fā)展及作戰(zhàn)運(yùn)用[J];電訊技術(shù);2007年05期

2 王兆雷;王文發(fā);魯建偉;;數(shù)據(jù)鏈與信息化防空作戰(zhàn)[J];國(guó)防科技;2010年06期

3 羅杰;;戰(zhàn)術(shù)數(shù)據(jù)鏈技術(shù)的發(fā)展和應(yīng)用研究[J];國(guó)際航空;2007年03期

4 戴志誠(chéng);劉三(女牙);陳增照;;Ad Hoc網(wǎng)絡(luò)通信協(xié)議的設(shè)計(jì)與實(shí)現(xiàn)[J];計(jì)算機(jī)工程;2011年09期

5 鄧書(shū)晶;;計(jì)算機(jī)離散事件仿真的原理[J];計(jì)算機(jī)與現(xiàn)代化;2009年06期

6 陳長(zhǎng)興;高曉光;張敬偉;張軍;;基于OPNET的網(wǎng)絡(luò)仿真[J];空軍工程大學(xué)學(xué)報(bào)(自然科學(xué)版);2007年02期

7 何碧濤;蕭寶瑾;;論戰(zhàn)術(shù)數(shù)據(jù)鏈的發(fā)展[J];科技情報(bào)開(kāi)發(fā)與經(jīng)濟(jì);2008年11期

8 卞東亮;張紅梅;彭沙沙;趙玉亭;;一種基于多信道統(tǒng)計(jì)的Ad Hoc網(wǎng)絡(luò)MAC層協(xié)議[J];空軍工程大學(xué)學(xué)報(bào)(自然科學(xué)版);2013年01期

9 白云;孟克其勞;韓建峰;任治剛;辛莉;;基于NS-2的有線網(wǎng)絡(luò)仿真[J];鐵路計(jì)算機(jī)應(yīng)用;2009年02期

10 王葉群;楊峰;黃國(guó)策;張衡陽(yáng);郭建新;;一種航空自組網(wǎng)中帶差分服務(wù)的跳頻MAC協(xié)議建模[J];軟件學(xué)報(bào);2013年09期

相關(guān)博士學(xué)位論文 前1條

1 毛建兵;無(wú)線局域網(wǎng)絡(luò)隨機(jī)信道接入控制機(jī)制研究[D];電子科技大學(xué);2010年

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