本文選題：ZigBee + 藍牙��； 參考：《寧波大學》2014年碩士論文

【摘要】：隨著物聯(lián)網(wǎng)的發(fā)展，無線傳感網(wǎng)絡各項技術的逐漸成熟，大規(guī)模、高密度的網(wǎng)絡布局成為無線傳感網(wǎng)絡的發(fā)展趨勢。相對于傳統(tǒng)的單匯聚節(jié)點無線傳感網(wǎng)絡，多匯聚節(jié)點的設計在數(shù)據(jù)傳輸可靠性和節(jié)點能耗均衡性等諸多方面都顯現(xiàn)出更強的適應性。本文結(jié)合了ZigBee的低功耗、低成本等優(yōu)勢和藍牙的終端接入優(yōu)勢，基于ZigBee協(xié)議棧和藍牙協(xié)議棧設計出一個以點對多點ZigBee/藍牙協(xié)議轉(zhuǎn)換器為核心的數(shù)據(jù)傳輸系統(tǒng)；該系統(tǒng)采用了更為可靠、健壯的多匯聚節(jié)點的系統(tǒng)結(jié)構(gòu)，從而有效地拓寬了ZigBee技術和藍牙技術的應用范圍。 點對多點ZigBee/藍牙協(xié)議轉(zhuǎn)換器的設計，其關鍵在于對ZigBee數(shù)據(jù)包和藍牙數(shù)據(jù)包的格式進行轉(zhuǎn)換。轉(zhuǎn)換器在硬件上由ZigBee射頻、藍牙射頻和單片機組成，它們通過通用串行口進行連接。數(shù)據(jù)包格式的轉(zhuǎn)換包括兩個步驟：(1)單片機按照源數(shù)據(jù)包的通用格式對其進行解析，以得到數(shù)據(jù)包中的數(shù)據(jù)荷載；(2)單片機按照目的數(shù)據(jù)包的通用格式對(1)中所得到的數(shù)據(jù)荷載進行封裝。 在多匯聚節(jié)點無線傳感網(wǎng)絡中引入ZigBee/藍牙協(xié)議轉(zhuǎn)換將不可避免地引發(fā)節(jié)點地址流失、數(shù)據(jù)速率不匹配等問題。為解決節(jié)點地址流失的問題，文中采用了一種新的數(shù)據(jù)域設計方案，它將數(shù)據(jù)荷載設計成地址信息和數(shù)據(jù)信息的聯(lián)合體。為解決數(shù)據(jù)速率不匹配的問題，文中設計了數(shù)據(jù)緩沖區(qū)，對不同串行口輸入的數(shù)據(jù)包進行排隊和暫存。 基于ZigBee協(xié)議的多匯聚節(jié)點無線傳感網(wǎng)絡的設計，其關鍵在于通過對匯聚節(jié)點和傳感節(jié)點的協(xié)同設計以實現(xiàn)一種匯聚節(jié)點的切換機制。該機制允許當前匯聚節(jié)點失效的傳感節(jié)點自發(fā)地切換至另一可用的匯聚節(jié)點，以完成數(shù)據(jù)信息的上傳。對傳感節(jié)點和匯聚節(jié)點的設計均需要配合上述匯聚節(jié)點的切換機制的完成。 最后，通過實驗對基于ZigBee/藍牙協(xié)議轉(zhuǎn)換器的多匯聚節(jié)點無線傳感網(wǎng)絡的功能及性能進行測試。最終的測試結(jié)果表明，本文提出的基于ZigBee協(xié)議棧和藍牙協(xié)議棧設計的ZigBee/藍牙協(xié)議轉(zhuǎn)換器能夠有效地對兩類數(shù)據(jù)包進行格式轉(zhuǎn)換，ZigBee設備與藍牙設備之間的通信得以實現(xiàn)。本文的實際應用案例也表明，ZigBee/藍牙協(xié)議轉(zhuǎn)換器能夠夠較好地融入到多匯聚節(jié)點無線傳感網(wǎng)絡中；在案例中，多匯聚節(jié)點設計的優(yōu)勢得以體現(xiàn)，系統(tǒng)的實用性也得到了證實。 本文在設計思想上與具體實施中仍存在著不足。多匯聚節(jié)點設計在提高節(jié)點能耗均衡性方面的顯著作用未能得到充分的體現(xiàn)。在匯聚節(jié)點的切換機制中，沒能充分考慮其時的網(wǎng)絡狀態(tài)以選擇出最優(yōu)的匯聚節(jié)點。在實際應用中，傳感節(jié)點的供電、移動數(shù)據(jù)終端的設計等問題也亟待解決。
[Abstract]:With the development of the Internet of things (IoT), wireless sensor network (WSNs) technology is becoming more and more mature. The large-scale and high-density network layout has become the trend of wireless sensor networks (WSNs). Compared with the traditional wireless sensor networks with single convergent nodes, the design of multi-node convergent nodes shows stronger adaptability in many aspects, such as data transmission reliability and energy balance of nodes. Based on ZigBee protocol stack and Bluetooth protocol stack, a data transmission system based on point-to-multipoint ZigBee/ protocol converter is designed, which combines the advantages of low power consumption and low cost of ZigBee and terminal access advantage of Bluetooth. The system adopts a more reliable and robust multi-node architecture, which effectively broadens the application of ZigBee technology and Bluetooth technology. The key to the design of a point-to-multipoint ZigBee/ Bluetooth protocol converter is to convert the format of ZigBee packets to Bluetooth packets. The converter is composed of ZigBee RF, Bluetooth RF and SCM in hardware. They are connected by universal serial port. The conversion of the data packet format includes two steps: 1) the single-chip computer parses the data packet according to the common format of the source data packet. The data load obtained from the data packet is encapsulated according to the common format of the destination packet. The introduction of ZigBee/ Bluetooth protocol conversion in multi-node wireless sensor networks will inevitably lead to node address loss and data rate mismatch. In order to solve the problem of node address loss, a new data domain design scheme is adopted, which designs the data load as a combination of address information and data information. In order to solve the problem of data rate mismatch, a data buffer is designed to queue and store data packets from different serial ports. The key to the design of multi-node wireless sensor network based on ZigBee protocol is to realize a switching mechanism of convergent nodes through the collaborative design of convergent nodes and sensor nodes. The mechanism allows the sensor nodes that are currently failing to switch spontaneously to another available sink node to upload data. The design of the sensor node and the sink node need to cooperate with the completion of the switching mechanism of the above convergent node. Finally, the function and performance of multi-node wireless sensor network based on ZigBee/ Bluetooth protocol converter are tested. The final test results show that the proposed ZigBee/ Bluetooth protocol converter based on ZigBee protocol stack and Bluetooth protocol stack can effectively realize the communication between ZigBee device and Bluetooth device. The practical application case also shows that ZigBee/ Bluetooth protocol converter can be integrated into multi-node wireless sensor network. In the case, the advantages of multi-node design are reflected, and the practicability of the system is proved. In this paper, there are still some deficiencies in the design idea and the concrete implementation. The significant role of multi-node design in improving the energy balance of nodes is not fully reflected. In the handoff mechanism of convergent nodes, the network state at that time is not fully taken into account in order to select the optimal convergent nodes. In practical application, the power supply of sensor node and the design of mobile data terminal are urgently needed to be solved.
【學位授予單位】：寧波大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TN92;TN919.6

【參考文獻】

相關期刊論文 前10條

1 李蛟;楊仁錕;肖峻;;2.4GHz無線技術標準及ZigBee抗干擾性能[J];電信工程技術與標準化;2006年03期

2 倪天龍;;單總線傳感器DHT11在溫濕度測控中的應用[J];單片機與嵌入式系統(tǒng)應用;2010年06期

3 金純,蔣小宇,羅祖秋;ZigBee與藍牙的分析與比較[J];信息技術與標準化;2004年06期

4 王東;張金榮;魏延;曹長修;唐政;;利用ZigBee技術構(gòu)建無線傳感器網(wǎng)絡[J];重慶大學學報(自然科學版);2006年08期

5 蔡睿妍;;Arduino的原理及應用[J];電子設計工程;2012年16期

6 丁雪蓮;;ZigBee協(xié)議棧淺析[J];電腦與信息技術;2013年05期

7 方水良;王加興;;基于XBee的無線數(shù)據(jù)采集系統(tǒng)開發(fā)和應用[J];機電工程;2010年03期

8 潘耘;李嫣;李晉凱;陳志雄;;無線傳感器網(wǎng)絡中的多Sink節(jié)點的放置問題[J];計算機研究與發(fā)展;2010年S2期

9 袁甜甜;徐敬東;張建忠;;基于模糊綜合評判的多sink最優(yōu)路由算法[J];計算機工程;2012年07期

10 楊增汪;陳斯;顧明亮;;基于Xbee的無線振動信號檢測傳感器節(jié)點設計[J];煤炭技術;2010年12期

，

本文編號：1791414