LTE小区间干扰抑制技术及其工程实践通信工程专业论文VIP免费

__LTE小区间干扰抑制技术_______________及其工程实践_________摘要LTE系统通常使用相同的高频滞后现象，这大大增加了频谱利用的频率，因为我使用的是上下梯队。多用途的SC-FDMA和OFFMA技术正在出现，在频率范围内，相互交叉的实体也在出现，这必然会造成微观区域之间的干扰问题。因此，为了实现LTE较高的传输速率和提高边缘用户服务质量的目标，就需要采取有效的措施来抑制小区间的干扰，LTE微区干扰抑制技术已成为移动通信研究的一个重要领域，各种干扰抑制技术也得以有了重大的进步。本文将主要对三种小区间的干扰抑制技术进行研究，首先对LTE技术的发展进行了解并掌握小区间干扰的来源；然后分析了主要的技术和关键的LTE，如管理和分配无线人力资源和物理资源的LTE，多用途技术。OFFM和MIMO技术；通过对这些知识的详细了解，因此，认识到知识和小区间干扰抑制技术之间的链接，然后研究小区间干扰抑制技术。分析了实现三种干扰抑制技术的技术原理和方法。最后，根据不同的资源协调模式，对LTE小区间干扰协调技术的关键研究可分为静态，半静态和动态，具体的实现方案也有多种，而目前使用最多且研究最广的是软频率复用技术，通过分析其具体实现的爱立信方案和对工程实践案例的研究，来了解LTE小区间干扰协调技术的实际应用情况。--IABSTRACTInLTEsystems,thesamefrequencynetworkisgenerallyadopted.Astheupstreamanddownstreamlinksadoptsc-fdmamultipleaccesstechnologyandOFDMAmultipleaccesstechnology,orthogonalsubcarriersareusedinthefrequencydomain,whichgreatlyimprovesthespectrumutilization,butinevitablycausesinterferenceproblemsbetweencells.Therefore,inordertoachievetheLTEhightransmissionrateandimprovethequalityofedgeuserservicegoals,itneedstotakeeffectivemeasurestosuppresstheinterferencebetweenzones,LTEbetweenneighborhoodinterferencesuppressiontechnologyhasbecomeanimportantresearchdirection,withthedevelopmentofmobilecommunicationtechnology,variouskindsofinterferencesuppressiontechnologyisalsotohaveabigprogress.Thispaperwillmainlystudythreekindsofinterferencesuppressiontechnologiesbetweencells.Firstly,thedevelopmentofLTEtechnologywillbeunderstoodandthesourceofinterferencebetweencellswillbemastered.ThenthebasicprinciplesandkeytechnologiesofLTEareanalyzed,suchaswirelessframestructureofLTEandtheschedulingandallocationofphysicalresources,OFDMmulti-accesstechnologyandMIMOtechnology.Basedonthedetailedunderstandingoftheknowledge,soastorealizetheknowledgeandinterferencesuppressiontechnologyassociationandinfluencebetweenzones,andagainbetweenneighborhoodinterferencesuppressiontechnology,analysistheprincipleandimplementationtechniquesofthreekindsofinterferencesuppressiontechnology,haveaneighborhoodinterferencebetweenrandomization,interferenceeliminationbetweenzones,threekindsofneighborhoodinterferencecoordinationbetweentechnology;FinallybasedonLTEinterferencecoordinationbetweenzonestechnologyresearch,accordingtothedifferentmethodsofresourcescoordinationcanbedividedintostatic,andstaticanddynamicthree,theconcreteimplementationschemealsohasavarietyof,andthemostusedandstudyisoneofthemostwidelysoftfrequencyreusetechnology,throughtheanalysisofthespecificimplementationofEricssonschemeandthestudyofengineeringpracticecase,tounderstandthepracticalapplicationofLTEinterferencecoordinationbetweenzonestechnology.--II【Keywords】LTEInter-cellinterferencesuppressionICICSFR目录前言………………………………………………………………………………………………1第一章移动通信系统概述………………………………………………………………………2第一节移动通信的发展历史及趋势………………………………………………………...