本文選題：無線體域網(wǎng) + 網(wǎng)絡(luò)編碼��； 參考：《廣西大學(xué)》2014年碩士論文

【摘要】：無線體域網(wǎng)是無線傳感器網(wǎng)絡(luò)在生物醫(yī)療等領(lǐng)域的一個(gè)重要的分支,是由植入人體體內(nèi)或是可穿戴的分布在人體體表的各類傳感器組成的無線網(wǎng)絡(luò),可用于監(jiān)測(cè)、采集和管理人體的不同的生理參數(shù)(如血壓、心率、血樣濃度、體溫等)和人體周圍的環(huán)境參數(shù)(如濕度、光照強(qiáng)度、溫度等)。無線體域網(wǎng)主要是在健康監(jiān)護(hù)和遠(yuǎn)程醫(yī)療方面有廣闊的應(yīng)用前景,同時(shí)在日常的生活?yuàn)蕵�、體育運(yùn)動(dòng)、應(yīng)急救災(zāi)、軍事通訊和航空航天等方面也有著廣泛的應(yīng)用。無線體域網(wǎng)作為一種新興技術(shù),目前對(duì)其研究主要在網(wǎng)絡(luò)結(jié)構(gòu)、無線通信協(xié)議、無線通信技術(shù)、數(shù)據(jù)融合、情景感知以及無線體域網(wǎng)的節(jié)能等方面。本文主要是從無線體域網(wǎng)的節(jié)能策略方面展開研究,得到了基于網(wǎng)絡(luò)編碼和基于多中繼協(xié)作方式的兩種節(jié)能算法,主要的工作和創(chuàng)新點(diǎn)如下： (1)針對(duì)無線體域網(wǎng)中傳輸鏈路中斷的情況,提出了一種基于網(wǎng)絡(luò)編碼的多中繼協(xié)作算法,并分析該算法下系統(tǒng)的網(wǎng)絡(luò)能耗,以及推導(dǎo)出系統(tǒng)的每比特網(wǎng)絡(luò)能耗公式。通過仿真實(shí)驗(yàn)表明,該算法能較大程度地減少網(wǎng)絡(luò)的整體能耗,并且得出在適當(dāng)?shù)卦黾有旁垂?jié)點(diǎn)或是減少中繼節(jié)點(diǎn)的數(shù)目的情況下有助于降低網(wǎng)絡(luò)的整體能耗。 (2)針對(duì)多源多中繼無線體域網(wǎng)的系統(tǒng)模型,提出了一種基于多中繼協(xié)作的中繼節(jié)點(diǎn)能量比較算法,并且推導(dǎo)出該算法下的網(wǎng)絡(luò)能耗公式。通過仿真實(shí)驗(yàn)表明,該算法同樣可以較大程度地減少網(wǎng)絡(luò)的整體能耗。另外分析比較了該算法和上述基于網(wǎng)絡(luò)編碼多中繼協(xié)作算法在不同的信源節(jié)點(diǎn)和中繼節(jié)點(diǎn)下每比特網(wǎng)絡(luò)整體能耗情況,得出了兩種算法的各自特點(diǎn)。
[Abstract]:the wireless sensor network is an important branch of wireless sensor network in the field of biological medical treatment and the like , is a wireless network composed of various sensors implanted in a human body or wearable in a human body surface , and can be used for monitoring , collecting and managing different physiological parameters of the human body ( such as blood pressure , heart rate , blood sample concentration , body temperature , etc . ) and environment parameters ( such as humidity , light intensity , temperature , etc . ) around the human body . Wireless body area network is mainly used in health monitoring and telemedicine , and has wide application in daily life entertainment , sports , emergency disaster relief , military communication and aerospace , etc . The paper mainly studies the energy saving strategy of wireless network , and obtains two energy saving algorithms based on network coding and multi - relay cooperation . The main work and innovation points are as follows :

( 1 ) Aiming at the interruption of transmission link in the wireless network , a multi - relay cooperative algorithm based on network coding is proposed , and the network energy consumption of the system is analyzed . The simulation experiment shows that the algorithm can reduce the whole energy consumption of the network to a greater extent , and can help reduce the overall energy consumption of the network if the source node is properly increased or the number of relay nodes is reduced .

( 2 ) According to the system model of multi - source and multi - relay wireless network , a relay node energy comparison algorithm based on multi - relay collaboration is proposed , and the network energy consumption formula under the algorithm is derived . Simulation experiments show that the algorithm can also reduce the overall energy consumption of the network .
【學(xué)位授予單位】：廣西大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TP212.9;TN929.5

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本文編號(hào)：2075066