【正文】 ..................................................................... 2 無(wú)線傳感器網(wǎng)絡(luò)體系結(jié)構(gòu) ..................................................................................... 2 無(wú)線傳感器網(wǎng)絡(luò)節(jié)點(diǎn)結(jié)構(gòu) ..................................................................................... 3 無(wú)線傳感器網(wǎng)絡(luò)協(xié)議棧 ......................................................................................... 4 無(wú)線傳感器網(wǎng)絡(luò)的關(guān)鍵技術(shù) ................................................................................. 5 論文內(nèi)容及安排 ................................................................................................................ 6 第 2 章 無(wú)線傳感器網(wǎng)絡(luò)路由協(xié)議 ............................................................................................. 7 無(wú)線傳感器網(wǎng)絡(luò)路由協(xié)議與傳統(tǒng)網(wǎng)絡(luò)路由協(xié)議的區(qū)別 ................................................ 7 無(wú)線傳感器網(wǎng)絡(luò)路由協(xié)議的考慮因素 ............................................................................ 8 路由的過程 ........................................................................................................................ 8 無(wú)線傳感器網(wǎng)絡(luò)路由協(xié)議的分類 ..................................................................................... 9 第 3 章 典型無(wú)線傳感器網(wǎng)絡(luò)路由協(xié)議分析 ............................................................................. 7 平面路由協(xié)議 .................................................................................................................. 11 Flooding 協(xié)議及 Gossiping 協(xié)議 ........................................................................... 11 SPIN 協(xié)議 ............................................................................................................... 12 DD 協(xié)議 .................................................................................................................. 13 SAR 協(xié)議 ................................................................................................................ 13 層次路由協(xié)議 .................................................................................................................. 13 LEACH 協(xié)議 .......................................................................................................... 14 TEEN 協(xié)議 ............................................................................................................. 14 協(xié)議綜合比較 .................................................................................................................. 15 第 4 章 層次路由 協(xié)議 的 研究 和改進(jìn) ....................................................................................... 16 研究方向 .......................................................................................................................... 16 能量模型 .......................................................................................................................... 16目錄 II LEACH 協(xié)議的算法體系結(jié)構(gòu) ......................................................................................... 18 簇 建立階段 ............................................................................................................. 18 穩(wěn)定數(shù)據(jù)傳輸階段 ................................................................................................. 20 LEACH 協(xié)議的優(yōu)缺點(diǎn) ............................................................................................ 20 LEACH 代碼分析 ...................................................................... 錯(cuò)誤 !未定義書簽。 routing protocol。 (3) the nodes with low energy may be selected as cluster head。 On the basis of that, the paper makes a deep analysis of LEACH protocol, through the analysis found that, LEACH agreement exists the following problems due to the random selection of cluster head scheme: (1) the cluster head node distribution is not uniform。 關(guān)鍵詞 ：無(wú)線傳感網(wǎng)絡(luò) ； 路由 協(xié)議 ； LEACH 協(xié)議 ； NS2 軟件 Abstract The Analysis and Simulation of WSNs routing protocol Abstract Wireless sensor works are integration of sensor, embedded putation, works and wireless munication technology of four. As a new research field of puter science and technology, it has a broad application prospect and has been highly valued by academic and military. Traditional wireless routing protocol is not suitable for wireless sensor works because wireless sensor works (WSNs) usually consist of a large number of intensive sensor nodes, and the nodes are very limited in energy, puting power and bandwidth, thus design a routing protocol that can effectively save energy and make the work life cycle extended bees a focus of the research on wireless sensor works. This paper introduces the concept, the architecture, the node structure, protocol stack and the key technology related content of wireless sensor works。 于是本文提出了一個(gè)改進(jìn)的協(xié)議 —— LEACHCH 協(xié)議，該協(xié)議通過全局節(jié)點(diǎn)的信息選舉簇頭節(jié)點(diǎn)，選出最優(yōu)節(jié)點(diǎn)，減少能耗、延長(zhǎng)網(wǎng)絡(luò)生存周期。 本文闡述了無(wú)線傳感器網(wǎng)絡(luò)的概念、體系結(jié)構(gòu) 、節(jié)點(diǎn)結(jié)構(gòu)、協(xié)議棧 以及關(guān)鍵技術(shù)等 相關(guān)內(nèi)容； 將一些典型的路由協(xié)議進(jìn)行了分析和比較 ； 在此基礎(chǔ)上 深入分析了 LEACH 協(xié)議，通過分析發(fā)現(xiàn) ， 在 隨機(jī)選擇簇頭的方案 上， LEACH 協(xié)議存在以下問題：（ 1）簇頭節(jié)點(diǎn)分布不均勻；（ 2）簇的大小相差較大；（ 3）能量低的節(jié)點(diǎn)可能被選作簇頭；（ 4）簇?cái)?shù)目不能保證為最優(yōu)值。摘要 WSNs 路由 協(xié)議分析 與仿真 摘要 無(wú)線傳感器網(wǎng)絡(luò)集成了傳感器、嵌入式計(jì)算、網(wǎng)絡(luò)和無(wú)線通信四大技術(shù)， 作為 計(jì)算機(jī)科學(xué)技術(shù) 方面研究 的一個(gè) 新 領(lǐng)域， 它 的應(yīng)用前景 十分廣闊，目前己經(jīng) 在 學(xué)術(shù)界和軍方 引起了 高度 的 重視。 傳統(tǒng)的無(wú)線路由協(xié)議不適合無(wú)線傳感器網(wǎng)絡(luò) 的原因是因?yàn)?無(wú)線傳感器網(wǎng)絡(luò)通常由大量密集的傳感器節(jié)點(diǎn)構(gòu)成， 而 這些 節(jié)點(diǎn)的能源、計(jì)算能力和帶寬都非常有限， 所以 設(shè)計(jì) 出一個(gè) 能夠有效節(jié)約能源， 使 網(wǎng)絡(luò)生命周期 得到延長(zhǎng) 的路由協(xié)議成為了無(wú)線傳感器網(wǎng)絡(luò) 的 研究重點(diǎn)。這些問題都會(huì) 影響網(wǎng)絡(luò)壽命。最后通過 NS2 仿真對(duì)比 LEACH和 LEACHCH 協(xié)議 。 analyze and summarize the difference between some typical routing protocols for wireless sensor works。 (2) the size of the cluster is larger。 (4) the number of clusters is not guaranteed to be optimal value. These problems will affect the work lifetime. This paper proposes an improved protocol that calls LEACHCH protocol. The election of cluster head nodes information global node, select the optimal node, reduce energy consumption, and prolong the work life cycle. Finally, rough NS2 simulation, pared with LEACH and LEACHCH protocol. Key words: wireless sensor works。 LEACH protocol。 LEACHCH 協(xié)議 .............................................................................................................. 24