發(fā)布時(shí)間：2019-05-19 21:27

【摘要】：為解決移動(dòng)自組織網(wǎng)絡(luò)(MANET)中網(wǎng)絡(luò)擁塞導(dǎo)致的網(wǎng)絡(luò)時(shí)延增大和吞吐量下降,提出一種基于概率的負(fù)載均衡算法,節(jié)點(diǎn)利用歷史負(fù)載信息映射網(wǎng)絡(luò)負(fù)載狀態(tài),用概率算法進(jìn)行路由準(zhǔn)入,從而完成負(fù)載均衡�；跉v史狀態(tài)的負(fù)載映射有效解決了分布式獨(dú)立運(yùn)算中存在的負(fù)載狀態(tài)判斷困難等問題,概率算法能有效克服門限準(zhǔn)入法則存在的模糊判別問題,同時(shí)大量減少廣播包的洪泛,節(jié)省信道資源。結(jié)合經(jīng)典的按需路由協(xié)議,設(shè)計(jì)了HP_DSR(history and probability based dynamic source routing)協(xié)議。仿真和理論分析一致表明,該負(fù)載均衡算法能夠準(zhǔn)確有效地對(duì)網(wǎng)絡(luò)負(fù)載進(jìn)行均衡,HP_DSR協(xié)議在沒有增加任何信道開銷的情況下顯著提高了網(wǎng)絡(luò)吞吐量,降低了時(shí)延。
[Abstract]:In order to solve the problem of network delay increase and throughput decrease caused by network congestion in mobile ad hoc network (MANET), a probabilistic load balancing algorithm is proposed, in which nodes map the load state of the network by using historical load information. Probability algorithm is used for routing admission to complete load balancing. The load mapping based on historical state effectively solves the problem of load state judgment in distributed independent operation. Probability algorithm can effectively overcome the fuzzy discrimination problem existing in threshold admission rule, and greatly reduce the flood of broadcast packets. Save channel resources. Combined with the classical on-demand routing protocol, the HP_DSR (history and probability based dynamic source routing) protocol is designed. Simulation and theoretical analysis show that the load balancing algorithm can balance the network load accurately and effectively. HP_DSR protocol can significantly improve the network throughput and reduce the delay without increasing any channel overhead.
【作者單位】： 周口師范學(xué)院計(jì)算機(jī)科學(xué)與技術(shù)學(xué)院;解放軍65304部隊(duì);
【基金】：國家自然科學(xué)基金資助項(xiàng)目(61103143)
【分類號(hào)】：TN929.5

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