基于OLSR協(xié)議的最小MPR集選擇算法
[Abstract]:Aiming at the redundant problem in solving the minimum multipoint relay (MPR) set by greedy algorithm in the traditional link state routing (OLSR) protocol, a globally improved Global_OP_MPR algorithm is proposed. Firstly, an improved OP_MPR algorithm based on greedy algorithm is introduced. By gradually optimizing the MPR set, the minimum MPR set can be easily and efficiently obtained by removing redundancy. Then on the basis of OP_MPR algorithm, the global factors are added to the MPR selection criterion, and "global optimization" is introduced instead of "local optimization". Finally, the minimum MPR set of the whole network can be obtained by using this algorithm. Compared with the traditional OLSR protocol, the OLSR protocol using OP_MPR and Global_OP_MPR algorithm can effectively reduce the number of MPR nodes in the whole network. And has less network burden topology control (TC) packet number and lower network delay. Simulation results show that the proposed algorithm can optimize the size of the MPR set and improve the network performance of the protocol. At the same time, the Global_OP_MPR algorithm can achieve better network performance because of considering the global factors.
【作者單位】: 湖南大學電氣與信息工程學院;國防科學技術(shù)大學電子科學與工程學院;中國電子系統(tǒng)設(shè)備工程公司研究所;
【基金】:國家自然科學基金資助項目(91338105) 通信抗干擾技術(shù)國家級重點實驗室基金資助項目 通信網(wǎng)信息傳輸與分發(fā)技術(shù)重點實驗室基金資助項目
【分類號】:TP393.04
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