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1、毕业设计(论文)题目:WLAN室分布工程实例酒店类建筑WLAN的室覆盖规划设计摘要:本次设计先介绍了国外WLAN网室分布的现状以及发展前景,然后,结合酒店类建筑从低层到高层的电磁环境和室建筑结构的描述,分析了室的“孤岛”、“乒乓”和“导频污染”等现象。接着,通过对该类建筑现场考察与场强测试,再结合WLAN与GSM的共网思路,对边缘场强进行了分析,确定了边缘天线的安装位置。除此之外,在选择覆盖方案的过程中,还介绍了各种信号源的使用环境,针对不同酒店的电磁环境、场所的结构、楼层高度等各自不同的特点以及业主对覆盖提出的要求,确定信号
2、源的类型;在选择分布系统过程中,对天馈分布系统、光纤分布系统等几种分布方式进行了比较,确定了不同地理位置和电磁环境下的酒店所适用的不同分布方式。再针对已选的信号源和分布系统以及业务流量大小确定了天线、耦合器、功分器、干线放大器等器件的布放位置。最后,结合工程要求与目标,以义乌大酒店为例进行了WLAN网的规划设计,并且证实了本次设计的可行性。关键词:WLAN;室分布系统;信号源;分布系统;酒店类建筑PlanninganddesigningindoorcoverageofWLANnetworksinhotel-stylebuild
3、ingsAbstract:First,thisdesignintroducesthecurrentsituationanddevelopmentprospectofWLANnetworkindoordistributionathomeandabroad.Next,combinedwiththedescriptionoftheelectromagneticenvironmentandindoorstructuresofthehotel-stylebuildingsfromthelow-risetohigh,itanalyzest
4、hephenomenaofindoor"islandeffects","ping-pongeffect"and"Pilotpollution"etc.Then,analyzingedgefieldstrengthanddeterminetheedgesoftheantennainstallationpositionthroughfieldinvestigationandfieldstrengthtestofthisbuilding,combinedwiththeideasoftotalofWLANandGSMnetwork.I
5、naddition,intheprocessofselectioncoveringscheme,italsointroducestheuseofvarioussignalsourceenvironment,todeterminethetypeofsignalsourceaccordingtomanydifferentcharacteristics,suchasthedifferentelectromagneticenvironmentinhotels,thestructureofsite,floorheight,theowne
6、r’srequestforcoverageandsoon;Intheselectionprocessofdistributedsystems,daysfeddistributionsystems,fiberopticdistributionsystemofseveraldistributionmethodswerecomparedtodeterminethelocationandtheelectromagneticenvironmentofdifferenthotelsunderthedifferentdistribution
7、methodsapplied.Thendeterminethesizeoftheantenna,coupler,powersplitterandtrunkamplifieretc.deviceslayingposition,inviewoftheselectedsourcesanddistributionsystemandbusinessflowsize.Finally,incombinationwithengineeringrequirementsandgoal,theWLANnetworkplanninganddesign
8、wascarriedoutinYiwuHotel,thefeasibilityofthisdesignisalsoconfirmed.Keywords:WLAN;indoordistributionsystem;signalsource;distributionsystem;