【摘要】：針對(duì)車載自組織網(wǎng)絡(luò)(VANET)拓?fù)浣Y(jié)構(gòu)的動(dòng)態(tài)性特征,基于車輛換道功能的智能駕駛移動(dòng)模型,應(yīng)用Vanet Mobi Sim仿真軟件詳細(xì)研究車載自組織網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)的動(dòng)態(tài)中心性。構(gòu)建VANET時(shí)序網(wǎng)絡(luò)模型,建立基于衰落因子和信息存儲(chǔ)轉(zhuǎn)發(fā)指數(shù)的動(dòng)態(tài)中心性評(píng)價(jià)方法,該方法不僅能夠描述當(dāng)前網(wǎng)絡(luò)拓?fù)渑c歷史網(wǎng)絡(luò)拓?fù)渲g的聯(lián)系,而且能夠刻畫VANET中信息的存儲(chǔ)轉(zhuǎn)發(fā)機(jī)制;最后,通過(guò)仿真實(shí)驗(yàn)分析了VANET動(dòng)態(tài)中心性。結(jié)果表明雖然VANET拓?fù)浣Y(jié)構(gòu)的動(dòng)態(tài)中心性隨著衰落因子和信息存儲(chǔ)轉(zhuǎn)發(fā)指數(shù)的變化而變化,但重要節(jié)點(diǎn)整體的排名基本保持相對(duì)穩(wěn)定的狀態(tài)。該結(jié)論有助于更好地確定信息傳播的中繼節(jié)點(diǎn),實(shí)現(xiàn)信息的成功投遞,而且為VANET拓?fù)浣Y(jié)構(gòu)的抗毀性提供指導(dǎo)。
[Abstract]:In view of the dynamic characteristics of the vehicle-borne ad hoc network (VANET) topology, the dynamic centrality of the vehicle-borne ad hoc network topology structure is studied in detail by using Vanet Mobi Sim simulation software, which is based on the intelligent driving movement model of the vehicle switching function. The VANET temporal network model is constructed and the dynamic centrality evaluation method based on fading factor and information storage and forwarding index is established. This method can not only describe the relationship between the current network topology and the historical network topology. Moreover, it can describe the mechanism of information storage and forwarding in VANET. Finally, the dynamic centrality of VANET is analyzed through simulation experiments. The results show that although the dynamic centrality of VANET topology changes with the change of fading factor and information storage and forwarding index, the overall ranking of important nodes remains relatively stable. This conclusion is helpful to better determine the relay nodes of information transmission, to realize the successful delivery of information, and to provide guidance for the survivability of VANET topology.
【作者單位】： 西北師范大學(xué)數(shù)學(xué)與統(tǒng)計(jì)學(xué)院;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(61363081,71561024) 甘肅省高等學(xué)�；究蒲袠I(yè)務(wù)費(fèi)資助項(xiàng)目 甘肅省自然科學(xué)基金資助項(xiàng)目(1506RJZA121)~~
【分類號(hào)】：TN929.5;U495

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