基于低功耗蓝牙的移动微网系统研究
发布时间:2018-11-22 16:07
【摘要】:低功耗蓝牙4.0技术和协议自2010年被提出以来,就以其功耗低、连接速度快、安全性高、便于实现移动设备短程互联等优势成为当前的研究热点之一随着2013年7月谷歌公司在Android4.3平台上开始统一支持蓝牙4.0开发,蓝牙4.0技术更是迎来绝佳的发展机遇。本文正是基于日趋成熟的蓝牙4.0技术和飞速发展的Android移动终端,提出了移动微网系统的概念并从蓝牙4.0协议栈结构,蓝牙4.0连接和通信的实现以及Android端应用程序的设计等几方面对其加以研究和描述。 文章首先描述了低功耗蓝牙4.0协议的协议栈结构、每层的原理和作用,分析了其低功耗原理和关键技术并详细介绍了蓝牙4.0技术在Android移动端编程实现的主要函数和具体步骤。接着,文章设计了基于CC2540芯片的蓝牙4.0通信模块。利用OSAL系统的事件驱动机制处理蓝牙4.0协议栈事件,编程实现了低功耗蓝牙设备与Android移动端的连接和通信并根据实际需求设计实现了低功耗蓝牙防丢器和无线血压计Android客户端应用程序。最后,介绍了本文蓝牙通信模块中使用的2.4GHz蓝牙辐射天线——倒F天线的设计,仿真结果和实际使用结果均表明该天线能完全覆盖蓝牙工作频段并具有良好的辐射特性。 本文提出并设计的移动微网系统能有效实现低功耗蓝牙设备和Android移动端的连接和通信;蓝牙防丢器和无线血压计在蓝牙工作范围内实现了防丢及健康检测功能。这也进一步说明本论文的研究开发工作具有一定的价值和应用前景。
[Abstract]:Low-power Bluetooth 4.0 technology and protocol has been proposed since 2010, because of its low power consumption, fast connection speed, high security, With the development of Bluetooth 4.0 on Android4.3 platform in July 2013, Bluetooth 4.0 technology is facing an excellent development opportunity. Based on the increasingly mature Bluetooth 4.0 technology and the rapid development of Android mobile terminal, this paper presents the concept of mobile micronetwork system and the architecture of Bluetooth 4.0 protocol stack. The implementation of Bluetooth 4.0 connection and communication and the design of Android application program are studied and described. This paper first describes the protocol stack structure of low power Bluetooth 4.0 protocol, the principle and function of each layer. The principle and key technologies of low power consumption are analyzed, and the main functions and steps of Bluetooth 4.0 programming in Android mobile terminal are introduced in detail. Then, the Bluetooth 4.0 communication module based on CC2540 chip is designed. The event-driven mechanism of OSAL system is used to handle Bluetooth 4.0 protocol stack events. The connection and communication between low-power Bluetooth device and Android mobile terminal are realized by programming. According to the actual requirements, the low-power Bluetooth anti-loss device and the Android client application of wireless sphygmomanometer are designed and implemented. Finally, the design of inverted F antenna, a 2.4GHz Bluetooth antenna used in Bluetooth communication module, is introduced. The simulation results and practical application results show that the antenna can fully cover the Bluetooth operating frequency band and has good radiation characteristics. The mobile microgrid system proposed and designed in this paper can effectively realize the connection and communication between the low-power Bluetooth device and the Android mobile terminal, and the Bluetooth anti-loss device and the wireless sphygmomanometer can realize the functions of anti-loss and health detection within the range of Bluetooth operation. This further shows that the research and development of this paper has a certain value and application prospects.
【学位授予单位】:浙江大学
【学位级别】:硕士
【学位授予年份】:2014
【分类号】:TN925
本文编号:2349832
[Abstract]:Low-power Bluetooth 4.0 technology and protocol has been proposed since 2010, because of its low power consumption, fast connection speed, high security, With the development of Bluetooth 4.0 on Android4.3 platform in July 2013, Bluetooth 4.0 technology is facing an excellent development opportunity. Based on the increasingly mature Bluetooth 4.0 technology and the rapid development of Android mobile terminal, this paper presents the concept of mobile micronetwork system and the architecture of Bluetooth 4.0 protocol stack. The implementation of Bluetooth 4.0 connection and communication and the design of Android application program are studied and described. This paper first describes the protocol stack structure of low power Bluetooth 4.0 protocol, the principle and function of each layer. The principle and key technologies of low power consumption are analyzed, and the main functions and steps of Bluetooth 4.0 programming in Android mobile terminal are introduced in detail. Then, the Bluetooth 4.0 communication module based on CC2540 chip is designed. The event-driven mechanism of OSAL system is used to handle Bluetooth 4.0 protocol stack events. The connection and communication between low-power Bluetooth device and Android mobile terminal are realized by programming. According to the actual requirements, the low-power Bluetooth anti-loss device and the Android client application of wireless sphygmomanometer are designed and implemented. Finally, the design of inverted F antenna, a 2.4GHz Bluetooth antenna used in Bluetooth communication module, is introduced. The simulation results and practical application results show that the antenna can fully cover the Bluetooth operating frequency band and has good radiation characteristics. The mobile microgrid system proposed and designed in this paper can effectively realize the connection and communication between the low-power Bluetooth device and the Android mobile terminal, and the Bluetooth anti-loss device and the wireless sphygmomanometer can realize the functions of anti-loss and health detection within the range of Bluetooth operation. This further shows that the research and development of this paper has a certain value and application prospects.
【学位授予单位】:浙江大学
【学位级别】:硕士
【学位授予年份】:2014
【分类号】:TN925
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