面向5G移动通信系统的调制技术研究摘要随着人们对通信技术的需求的不断提高，以及人们在通信技术领域的不断研究和突破，相比4G技术，5G技术在传输速度、覆盖性能、以及其他方面比4G技术更为优秀，5G技术是无线通信技术领域的一大突破。5G技术是互联网在未来发展的一个重要方向，对通讯行业和未来的新兴业务以及各个领域的发展具有重要的作用。但是在目前，5G技术在发展上仍然面临着一系列的问题和挑战。5G将QAM与FSK相结合提高频谱效率，用于多区下行链路中，能够提高小区边缘用户的通信质量。本次研究将着重研究5G的FSK与QAM调制技术，通过对两项技术优缺点的比对和5G移动通信系统的介绍，以及编写MATLAB仿真程序，进而对结果分析得出结论并预计结果，达到深度研究的性质。在最后，也对我们在研究中存在的一些问题提出解决方案。关键词：5G移动通信系统调制技术研究ABSTRACTWiththecontinuousimprovementofpeople'sdemandtocommunicationtechnology,andtheconstantresearchandbreakthroughinthefieldofcommunicationtechnology,comparedwiththetechnologyof4g,5gtechnologyintransmissionspeed,coveringperformance,andotheraspectsmoreexcellentthan4gtechnology,5gtechnologyisabreakthroughinthefieldofwirelesscommunicationtechnology.5gtechnologyisanimportantdirectioninthedevelopmentoftheInternetinthefuture,forthefutureofcommunicationsindustryandnewbusinessandhasanimportantroleinthedevelopmentofeveryfield.Butatpresent,5gtechnologyonthedevelopmentstillfacesaseriesofproblemsandchallenges.5gcombiningQAMandFSKimprovespectrumefficiency,usedinmanyareadownlink,canimprovethecommunicationqualityofcelledgeusers.Thisstudywillfocusontheresearchof5gFSKandQAMmodulationtechnology,bycomparingtheadvantagesanddisadvantagesofthetwotechnologyand5gmobilecommunicationsystemisintroduced,andMATLABsimulationprogram,andthenanalyzetheresultsconcluded.Finally,weproposesolutionsontheproblemsexistingintheresearch.Keywords:5G、mobilecommunicationsystem、modulationt、echnology、research目录第一章引言..................................................................................................................51.1研究背景及意义...............................................................................................51.2国内外研究综述...............................................................................................51.21国外..........................................................................................................51.22国内..........................................................................................................7第二章关键技术介绍..................................................................................................82.1FSK调制技术的基本原理...............................................................................82.2QAM调制技术的基本原理.............................................................................82.35G移动通信系统.............................................................................................9第三章5G下FSK与QAM调制技术比较..............................................................133.1FSK调制技术的优势及缺点.........................................................................133.2QAM调制技术的优势及缺点.......................................................................13第四章方案描述........................................................................................................134.1编写MATLAB仿真程序...............................................................................1...
