【摘要】：無線傳感器網(wǎng)絡(luò)(WSN)節(jié)點(diǎn)無法連入網(wǎng)絡(luò)主要原因是硬件故障和陰影衰落效應(yīng),為解決這個(gè)問題,文中設(shè)計(jì)制作了故障節(jié)點(diǎn)檢測(cè)儀。利用液晶顯示器LCD1602作為人機(jī)交互界面,通過4×4矩陣鍵盤輸入指令,控制無線通信模塊nRF905檢查網(wǎng)絡(luò)信息。通過對(duì)比檢測(cè)儀對(duì)網(wǎng)關(guān)節(jié)點(diǎn)和傳感器節(jié)點(diǎn)的檢測(cè)數(shù)據(jù),能夠判斷出節(jié)點(diǎn)無法接入網(wǎng)絡(luò)的原因。實(shí)驗(yàn)結(jié)果表明,該檢測(cè)儀能夠判斷WSN中由于硬故障和陰影效應(yīng)而無法連入網(wǎng)絡(luò)的故障節(jié)點(diǎn),為調(diào)整WSN節(jié)點(diǎn)配置提供參考,從而提高網(wǎng)絡(luò)的連通性。
[Abstract]:In order to solve this problem, the main reason why (WSN) nodes in wireless sensor networks can not connect to the network is hardware fault and shadow fading effect. In order to solve this problem, a fault node detector is designed and manufactured in this paper. The liquid crystal display (LCD1602) is used as the man-machine interface, and the 4 脳 4 matrix keyboard is used to input instructions to control the wireless communication module (nRF905) to check the network information. By comparing the detection data of the gateway node and the sensor node, the reason why the node can not access the network can be determined. The experimental results show that the instrument can judge the fault nodes in WSN which can not be connected to the network due to hard faults and shadow effects, and provides a reference for adjusting the configuration of WSN nodes, thus improving the connectivity of the network.
【作者單位】： 江蘇聯(lián)合職業(yè)技術(shù)學(xué)院南京工程分院;
【分類號(hào)】：TN929.5;TP212.9

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