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1、畢業(yè)設(shè)計(jì)（論文）設(shè)計(jì)（論文）題目:無線寬帶接入技術(shù)及應(yīng)用摘要72對(duì)無線寬帶網(wǎng)的研究有利于對(duì)通信行業(yè)技術(shù)進(jìn)行更加全面的了解和認(rèn)識(shí)，在以前寬帶無線接入網(wǎng)技術(shù)被廣泛且基本只應(yīng)用于“最后一公里”的接入。但是隨著更多機(jī)遇的介入，使得無線寬帶接入網(wǎng)利用其傳統(tǒng)的MMDS和LMDS技術(shù)應(yīng)用于了移動(dòng),無線,寬帶城域網(wǎng)絡(luò)中。并且許多技術(shù)研究組織對(duì)其進(jìn)行完善和修改，不斷推出新的協(xié)議，使其在物理層,接入規(guī)范,媒體接入控制層,安全保密等方面都進(jìn)行了擴(kuò)展和規(guī)范。所以在此論文中對(duì)其無線局域網(wǎng)技術(shù),WIMAX,IEEE802.16-2004和IEEE802.16-2005接口和新的無線接入技術(shù)進(jìn)行了研
2、究，在研究之中我發(fā)現(xiàn)許多技術(shù)之間的相互彌補(bǔ)或相互制約都會(huì)給無線寬帶技術(shù)帶來實(shí)際性的變化，例如想要高質(zhì)量的通信，無疑對(duì)傳輸距離，環(huán)境要求會(huì)造成損失和影響，對(duì)其的研究應(yīng)考慮多方面條件，在不同情況之下采取的不同技術(shù)和設(shè)備，所以在此研究之中采取了從結(jié)構(gòu)，規(guī)格，技術(shù)，應(yīng)用原理上進(jìn)行了解。通過對(duì)其多方面的研究，越發(fā)的認(rèn)為無線寬帶技術(shù)是以后一種必不可少，更加重要的技術(shù)，越來越深入生活，并會(huì)從中給大家?guī)矸奖悖鳛橐院箝L遠(yuǎn)的發(fā)展，低成本，高效率，易維護(hù)將成為關(guān)鍵，所以對(duì)其的分析望大家予以指導(dǎo)和思考。關(guān)鍵詞WiMAX無線寬帶接入網(wǎng)IEEE802.16媒質(zhì)接入控制層物理層AbstractT
3、heresearchonwirelessbroadbandcommunicationsindustrycanpromotea72morecomprehensiveunderstandingandlearningofthetechnologies.Previously,wirelessaccessnetworkisonlyappliedtothe"lastonemile"accessextensivelyandfundamentally.However,withtheinterventionofmoreopportunities,wirelessbroadbandacce
4、ssnetworkisapplyingitstraditionalMMDSandLMDStechnologiestothemobile,wireless,broadbandmetropolitannetworks.Withtheimprovementandmodificationofnumberoftechnicalresearchorganizationsandnewprotocolsintroduced,thephysicallayer,accessspecification,themediaaccesscontrollayer,securityandotheras
5、pectsareextendedandstandardized.SotheWirelessLANtechnology,WIMAX,IEEE802.16-2004,IEEE802.16-2005Interfaceandothernewwirelessaccesstechnologieswasmainlystudiedinthepaper.Themutualcomplementsorrestraintsbetweenthesetechnologieswillleadsubstantialchangestowirelessbroadbandtechnology.Forexam
6、ple,thereisnodoubtthatitwillhavegreatlossandimpactontransmissiondistanceandenvironmentalrequirementsifhigh-qualitycommunicationsarerequired.Thestudyshouldbeconsideredmanyofitsconditions.Differenttechniquesandequipmentsshouldbetakenunderdifferentconditions.Thestructures,formats,technologi
7、esandapplicationprinciplesmainlywerestudiedtounderstanditmorecomprehensively.Throughtheextensiveresearch,thewirelessbroadbandtechnologyisanessentialandimportanttechnologyinfuture.Themorecloselyitgrowstoourdailylife,themoreconvenienceswewillget.Consideringalong-termdevelop
