本文關(guān)鍵詞： 短程通信 跳頻技術(shù) 電子標(biāo)簽　出處：《廈門大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：目前,我國(guó)高速公路發(fā)展迅速,高速公路收費(fèi)系統(tǒng)應(yīng)運(yùn)而生。高速公路不停車收費(fèi)電子收費(fèi)系統(tǒng)是國(guó)際上正在普及的一種用于高速公路電子收費(fèi)系統(tǒng)。高速公路不停車收費(fèi)系統(tǒng)使駕駛員通過(guò)收費(fèi)站時(shí)無(wú)須停車,利用互聯(lián)網(wǎng)技術(shù)與銀行進(jìn)行后臺(tái)結(jié)算處理,通過(guò)銀行卡將所需費(fèi)用進(jìn)行自動(dòng)扣除。該收費(fèi)系統(tǒng)具有縮短車輛通行時(shí)間和提升收費(fèi)通道通行能力等優(yōu)勢(shì)。 ETC提供智能交通系統(tǒng)的服務(wù)功能,該系統(tǒng)在車輛經(jīng)過(guò)道口時(shí)進(jìn)行自動(dòng)收費(fèi),成為世界上最先進(jìn)的現(xiàn)行交通收費(fèi)系統(tǒng)。支撐著ETC的通信協(xié)議的協(xié)議是專用短程通信(DSRC)協(xié)議。它定義了車載設(shè)備(OBU)和路側(cè)設(shè)備(RSU)之間的通信過(guò)程,并定義了兩者進(jìn)行通信的物理參數(shù)、操作流程、交互信息的格式等規(guī)范。目前許多發(fā)達(dá)國(guó)家如美國(guó)、新加坡已經(jīng)部分或全部實(shí)現(xiàn)了不停車收費(fèi)系統(tǒng),我國(guó)在研究和制定適合我國(guó)國(guó)情的DSRC協(xié)議標(biāo)準(zhǔn)。 本文首先介紹了國(guó)內(nèi)外高速公路電子收費(fèi)系統(tǒng)的發(fā)展現(xiàn)狀,然后對(duì)專用短程通信技術(shù)(DSRC)的三層協(xié)議做了詳盡的剖析,它是電子收費(fèi)系統(tǒng)通信協(xié)議,射頻芯片和路側(cè)設(shè)備之間的通信是按照這個(gè)協(xié)議進(jìn)行通信的。其中重點(diǎn)介紹了數(shù)據(jù)鏈路層；接著對(duì)收費(fèi)系統(tǒng)的電子標(biāo)簽的構(gòu)成做了具體的分析,對(duì)微型處理器MSP430的功能特性及內(nèi)部結(jié)構(gòu)進(jìn)行了深入的介紹,分析了射頻芯片A7105等模塊的性能及傳輸數(shù)據(jù)模式,其中對(duì)跳頻技術(shù)做了簡(jiǎn)單的介紹,對(duì)解決實(shí)際生活中出現(xiàn)的干擾問題具有重要的意義,同時(shí)對(duì)射頻標(biāo)簽的硬件系統(tǒng)的各個(gè)組成部分的接口及電源做了簡(jiǎn)要的概述；最后簡(jiǎn)要的介紹高速公路收費(fèi)系統(tǒng)電子標(biāo)簽的軟件系統(tǒng)及部分代碼。
[Abstract]:At present, the highway in our country is developing rapidly. Expressway toll collection system arises at the historic moment. Expressway non-stop toll electronic toll collection system is one of the most popular electronic toll collection systems in the world. Highway non-stop toll collection system enables drivers to collect. There is no need to stop at the toll station, By using Internet technology and bank to deal with the backstage settlement, the bank card can automatically deduct the required expenses. The system has the advantages of shortening the passage time of vehicles and improving the capacity of toll channels. ETC provides the services of an intelligent transportation system that automatically charges when vehicles pass through an intersection. The protocol that supports the communication protocol of ETC is the special short-range communication protocol. It defines the communication process between the vehicle-mounted equipment OBU) and the road-side equipment. At the same time, we define the physical parameters, operation flow, format of interactive information and so on. At present, many developed countries, such as the United States and Singapore, have partially or completely implemented the no-stop toll system. Our country is studying and formulating the DSRC protocol standard suitable for our country's national conditions. This paper first introduces the development status of expressway electronic toll collection system at home and abroad, and then makes a detailed analysis of the three-layer protocol of dedicated short-range communication technology (DSRC), which is the communication protocol of electronic toll collection system. The communication between RF chip and road side device is based on this protocol. The data link layer is introduced in detail, and then the composition of electronic tag of charge system is analyzed in detail. The functional characteristics and internal structure of microprocessor MSP430 are introduced in depth. The performance and data transmission mode of RF chip A7105 and other modules are analyzed, and the frequency hopping technology is briefly introduced. It is of great significance to solve the interference problem in real life. At the same time, the interface and power supply of each part of the hardware system of RF tag are briefly summarized. Finally, the paper briefly introduces the software system and some codes of the electronic tag of expressway toll collection system.
【學(xué)位授予單位】：廈門大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：U495

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本文編號(hào)：1507594