认知无线电实验系统终端中嵌入式控制模块的设计与实现_硕士论文.doc
《认知无线电实验系统终端中嵌入式控制模块的设计与实现_硕士论文.doc》由会员分享,可在线阅读,更多相关《认知无线电实验系统终端中嵌入式控制模块的设计与实现_硕士论文.doc(84页珍藏版)》请在三一文库上搜索。
1、硕士学位论文认知无线电实验系统终端中嵌入式控制模块的设计与实现Design and Implementation of Embedded Control Module of Cognitive Radio Experimental System TerminalA thesis submitted toXian Jiaotong Universityin partial fulfillment of the requirementsfor the degree ofMaster of Engineering ScienceByXiaohui Chen (Information and Comm
2、unication Engineering)Supervisor: Associate Prof. Xinmin LuoMay 2008摘 要论文题目:认知无线电实验系统终端中嵌入式控制模块的设计与实现学科专业:信息与通信工程申请人:陈晓辉指导教师:罗新民 副教授摘 要认知无线电(Cognitive Radio,CR)能够感知外部无线环境的变化,通过智能调节通信参数实现频谱的动态利用,解决由静态频谱分配政策导致频谱利用率不均衡的问题。CR通过机会频谱接入,实现认知无线电用户与授权用户的频谱共享,极大的提高频谱利用率,已经引起了国内外众多研究者的关注。但是目前CR的研究中仍存在许多争议,因此有必
3、要研发CR实验系统,用于验证CR的理论,并为CR标准的确立提供参考。论文首先分析了CR实验系统的网络拓扑结构,提出了适用于该网络的协议模型,在此基础上讨论了该模型中区别于其它通信网的物理层、链路层和网络层协议,初步讨论了其中的MAC协议和路由层协议。另外,论文主要完成了CR实验系统终端中嵌入式控制模块的设计与实现。首先从CR实验系统的角度分析了嵌入式控制模块的主要任务,并在此基础上介绍了该模块的器件选型和方案设计。接下来给出了该模块的整体设计方案,设计并实现了该模块硬件系统和软件系统,包括各部分硬件电路设计、软件系统移植以及各部分的系统测试。其次,分析了系统中ARM与DSP的通信需求,完成了两
4、者之间高速数据通信接口的方案设计、具体实现和性能测试。最后,论文完成了CR实验系统集成控制环境的设计。首先介绍了该集成控制环境的设计目的,然后给出了集成控制环境PC端控制台的设计及其与CR终端之间的通信实现,并以控制台对射频前端工作参数的控制实验为例,说明了集成控制环境的工作流程。关 键 词:认知无线电;协议;嵌入式控制模块;集成控制环境;论文类型:应用研究 本研究得到国家高技术研究发展计划(“863”计划)(2005AA123910)资助;陕西省自然科学基金资助(2006F41)项目;陕西省科技攻关计划(2005K04-G11)项目。69ABSTRACTTitle: Design and I
5、mplementation of Embedded Control Module of Cognitive Radio Experimental System TerminalSpeciality:Information and Communication EngineeringApplicant:Xiaohui Chen Supervisor:Associate Prof. Xinmin LuoABSTRACTCR(Cognitive Radio) has the ability to adjust its operating parameters intelligently by sens
6、ing the surrounding wireless environment to achieve the dynamic utilization of spectrum,and solve the disequilibrium of the spectrum utilization caused by static spectrum allocation policy.With opportunistic access to spectrum,CR can greatly improved the spectrum utilization by sharing spectrum betw
7、een cognitive users and authorized users, which attracts widely concern in the world.Nowadays,there are many arguments in the research of CR,so a practical experimental system is required to demonstrate and verify many views,and provide reference for CR studies and standard establishment.Firstly,thi
8、s thesis analyzed the topology of CR experimental system, and proposed the protocol model.On the basis, the distinctive physical,link and network layer protocols of CR model were discussed,and then MAC and routing protocols were preliminarily discussed.Secondly,this thesis accomplished the design an
9、d implementation of the embedded control module of the CR experimental system terminal.Firstly,the schemes and selection of devices were introduced by analyzing the modules main tasks.Then, the specific design was implemented,including circuit designing,software transplanting and system testing. The
10、 design,implementation and performance testing of high-speed data communication interface were also proposed based on analyzing the communication demand between ARM and DSP in CR terminal.Finally, this thesis accomplished the design of the integrated control environment.Firstly,the design purpose wa
11、s introduced,and then,the design of pc-console and the communication between pc-console and CR terminals were introduced.On the basis,the thesis illuminated the workflow of the integrated control environment. Funded by: National High-tech Research and Development Plan(“863”Plan)(2005AA123910),Shanxi
12、 Province Natural Science Fund(2006F41) and Shanxi Province Scientific and Technological Plan(2005K04-G11) KEY WORDS:Cognitive radio; protocol;Embedded control module;Integrated control environmentTYPE OF THESIS: Applied Research目 录绪论目 录1 绪论11.1 认知无线电概述11.2 认知无线电实验系统概述31.3 论文的主要工作和内容安排41.3.1 论文主要完成的
13、工作41.3.2 论文的内容安排42 认知无线电实验系统52.1 认知无线电实验系统的网络拓扑结构52.2 认知无线电实验系统礼仪与协议62.2.1 礼仪与协议概述62.2.2 认知无线电实验系统协议72.3 认知无线电实验系统终端152.3.1 认知无线电终端152.3.2 认知无线电终端的改进设计172.4 本章小结183 认知无线电实验系统终端中嵌入式控制模块的设计与实现193.1 整体结构设计193.1.1 硬件系统设计193.1.2 软件系统设计223.2 硬件电路设计223.2.1 方案设计223.2.2 最小系统接口电路设计253.2.3 人机交互模块电路设计293.2.4 通信
14、模块电路设计313.3 PCB版图及硬件电路的调试333.3.1 PCB版图333.3.2 硬件电路的调试343.4 软件设计373.4.1 启动代码Bootloader的移植373.4.2 嵌入式Linux内核分析和移植383.4.3 根文件系统和Qt/Embedded图形文件系统的移植413.5 系统测试423.6 本章小结424 ARM与DSP通信接口的设计与实现434.1 ARM与DSP通信接口的方案设计434.1.1 需求分析434.1.2 方案确定434.1.3 通信模型的建立454.2 ARM与DSP通信接口的具体实现464.2.1 通信接口的硬件实现464.2.2 硬件电路设计
15、484.2.3 时序设计494.2.4 软件设计504.3 ARM与DSP通信接口的测试524.4 本章小结525 认知无线电实验系统集成控制环境的设计535.1 集成控制环境总体设计535.2 PC端控制台的设计545.3 PC端控制台与认知无线电终端的通信545.4 集成控制环境的工作流程565.5 本章小结586 结论与展望596.1 结论596.2 后续工作和展望60致 谢61参考文献62附 录64攻读学位期间取得的研究成果66声明CONTENTS绪论CONTENTS1 Preface11.1 Brief Introduction of Cognitive Radio11.2 Brie
16、f Introduction of Cognitive Radio Experimental System31.3 Main Work and Content Arrangement of the Dissertation41.3.1 Main Work41.3.2 Content Arrangement42 Cognitive Radio Experimental System52.1 The Network Topology of the CR Experimental System52.2 The Etiquette and Protocol of CR Experimental Sys
17、tem62.2.1 Brief Introduction of Etiquette and Protocol62.2.2 The Protocol of CR Experimental System72.3 CR Experimental System Terminal152.3.1 Experimental System Terminal152.3.2 Improved Design of Experimental System Terminal172.4 Brief Summary183 Design and Implementation of Embedded Control Modul
18、e193.1 The Overall Structure Design193.1.1 Design of Hardware System193.1.2 Design of Software System223.2 Design of Hardware Circuit223.2.1Scheme Design of Embedded Control Module.223.2.2 The Interface Circuit Design of Minimal System253.2.3 Design of HCI Circuit Module293.2.4 Communication Circuit
19、 Module 313.3 Scheme of PCB and Hardware Circuit Debuging333.3.1 Scheme of PCB333.3.2 Hardware Circuit Debuging343.4 Software Design373.4.1 Transplant of Bootloader373.4.2 Analysis and Transplant of Linux core383.4.3 Translant of Root File System and Qt/Embedded413.5 System Testing423.6 Brief Summar
20、y424 Design and Implementation of The Interface Between ARM and DSP434.1 Scheme Design of The Interface Between ARM and DSP434.1.1 Analysis of Requirement 434.1.2 Scheme434.1.3 Communication Model454.2 Implementation of The Interface Between ARM and DSP464.2.1 Hardware Implementation464.2.2 Design o
21、f Hardware Circuit484.2.3 Design of Timing494.2.4 Design of Software504.3 The Interface Testing of The Interface Between ARM and DSP524.4 Brief Summary525 The Integrated Control Environment of CR Experimental System535.1 The Integrated Control Environment535.2 PC-onsole545.3 Communication Between PC
22、 Console and CR terminal545.4 Workflow of The Integrated Control Environment565.5 Brief Summary586 Conclusions and Expectation596.1 Conclusions596.2 Expectation60Acknowledgements61References62Appendix64Achievements66Declaration 6 结论与展望1 绪论1.1 认知无线电概述随着无线通信技术的飞速发展,频谱资源变得越来越紧张。尤其是随着无线局域网络(Wireless Loc
23、al Area Network,WLAN)技术、无线个人域网络(Wireless Personel Area Network,WPAN)技术和无线城域网络(Wireless Metropolitan Area Network,WMAN)技术的高速发展,人们对宽带无线应用提出了更高的要求。目前的频谱分配制度为静态频谱分配,将频谱分为2个部分:授权频段和非授权频段。大部分的频谱资源被用来作为授权频段,如电视广播频段。由于WLAN、WPAN和WMAN无线通信业务的迅猛发展,这些网络所工作的非授权频段已趋于饱和。另一方面,相当数量的频谱资源的利用率却非常低。以美国为例,FCC(Federal Comm
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 认知 无线电 实验 系统 终端 嵌入式 控制 模块 设计 实现 硕士论文
链接地址:https://www.31doc.com/p-3971052.html