《電子技術(shù)應(yīng)用》
您所在的位置：首頁 > 通信與網(wǎng)絡(luò) > 設(shè)計(jì)應(yīng)用 > 基于泛洪區(qū)域限定的改進(jìn)DSR節(jié)能組網(wǎng)
基于泛洪區(qū)域限定的改進(jìn)DSR節(jié)能組網(wǎng)
2022年電子技術(shù)應(yīng)用第5期
孟金林
軌道交通工程信息化國家重點(diǎn)實(shí)驗(yàn)室(中鐵一院)，陜西 西安710043
摘要： 針對(duì)動(dòng)態(tài)源自組網(wǎng)(Dynamic Source Routing，DSR)因泛洪組網(wǎng)請(qǐng)求(Route Request，RREQ)而產(chǎn)生的高組網(wǎng)能耗問題，提出基于區(qū)域的發(fā)現(xiàn)機(jī)制的DSR組網(wǎng)(Zone-based Route Discovery Mechanism，ZRDM)。ZRDM組網(wǎng)依據(jù)節(jié)點(diǎn)的環(huán)境以及鄰居節(jié)點(diǎn)的分布情況，將節(jié)點(diǎn)網(wǎng)絡(luò)區(qū)域劃分為3個(gè)子區(qū)域。每個(gè)節(jié)點(diǎn)數(shù)據(jù)含一個(gè)鄰居表，并將鄰居節(jié)點(diǎn)劃分為3個(gè)子區(qū)域。同時(shí)DSR組網(wǎng)只允許部分節(jié)點(diǎn)傳輸RREQ數(shù)據(jù)。仿真結(jié)果表明，提出的ZRDM組網(wǎng)降低了能耗，提高了數(shù)據(jù)傳遞率。在節(jié)點(diǎn)數(shù)為140時(shí)，相比DSR組網(wǎng)，ZRDM組網(wǎng)的歸一化能耗下降了47.8%，數(shù)據(jù)傳遞率提高約2.78%。
中圖分類號(hào)： TN915
文獻(xiàn)標(biāo)識(shí)碼： A
DOI：10.16157/j.issn.0258-7998.212446
中文引用格式： 孟金林. 基于泛洪區(qū)域限定的改進(jìn)DSR節(jié)能組網(wǎng)[J].電子技術(shù)應(yīng)用，2022，48(5)：70-75.
英文引用格式： Meng Jinlin. An improved DSR energy-saving networking based on flood area limitation[J]. Application of Electronic Technique，2022，48(5)：70-75.
An improved DSR energy-saving networking based on flood area limitation
Meng Jinlin
State Key Laboratory of Rail Transit Engineering Informatization(FSDI)，Xi′an 710043，China
Abstract： Aiming at the high networking energy consumption problem of dynamic source routing(DSR) caused by flood networking request(RREQ), a zone based route discovery mechanism(ZRDM) is proposed. ZRDM networking divides the node network area into three sub areas according to the node environment and the distribution of neighbor nodes. Each node contains a neighbor table, and the neighbor node is divided into three sub regions. At the same time, DSR networking only allows some nodes to transmit RREQ packets. Simulation results show that the proposed ZRDM networking reduces energy consumption and improves packet delivery rate. When the number of nodes is 140, compared with DSR networking, the normalized energy consumption of ZRDM networking decreases by 47.8%, and the packet delivery rate increases by about 2.78%.
Key words : mobile ad hoc network；dynamic source routing；route discovery；flooding

0 引言

    動(dòng)態(tài)源自組網(wǎng)(Dynamic Source Routing，DSR)是移動(dòng)Ad hoc網(wǎng)絡(luò)(Mobile Ad hoc Network，MANET)[1-2]的典型組網(wǎng)，其主要有組網(wǎng)發(fā)現(xiàn)和組網(wǎng)維護(hù)兩個(gè)階段[3-4]。在組網(wǎng)發(fā)現(xiàn)階段，源節(jié)點(diǎn)通過鏈接RREQ，構(gòu)建連通目的節(jié)點(diǎn)的組網(wǎng)。

    然而，若盲目地泛洪RREQ數(shù)據(jù)，增加了網(wǎng)絡(luò)能耗，也容易引起鏈接風(fēng)暴問題[5]。針對(duì)這些問題，研究人員提出不同的泛洪改進(jìn)算法，如N跳泛洪[6]、概率泛洪[7-8]。

    本文針對(duì)源組網(wǎng)的RREQ的泛洪問題，提出區(qū)域的組網(wǎng)發(fā)現(xiàn)機(jī)制的DSR組網(wǎng)(Zone-based Route Discovery Mechanism，ZRDM)。ZRDM組網(wǎng)通過限定泛洪RREQ的區(qū)域，減少RREQ數(shù)據(jù)重傳的次數(shù)，進(jìn)而控制能耗，提高數(shù)據(jù)傳遞率。仿真結(jié)果表明，提出的ZRDM組網(wǎng)降低了組網(wǎng)能耗，提高了數(shù)據(jù)傳遞率。




本文詳細(xì)內(nèi)容請(qǐng)下載：http://ihrv.cn/resource/share/2000004280。




作者信息：

孟金林

(軌道交通工程信息化國家重點(diǎn)實(shí)驗(yàn)室(中鐵一院)，陜西 西安710043)




wd.jpg

此內(nèi)容為AET網(wǎng)站原創(chuàng)，未經(jīng)授權(quán)禁止轉(zhuǎn)載。