LTE-A系統(tǒng)多小區(qū)聯(lián)合調(diào)度算法仿真研究.pdf

1、西南交通大學碩士學位論文LTEA系統(tǒng)多小區(qū)聯(lián)合調(diào)度算法仿真研究姓名：徐文濤申請學位級別：碩士專業(yè)：通信與信息系統(tǒng)指導教師：郝莉201105西南交通大學碩士研究生學位論文第1T頁AbstractDuetothelimitedbandwidthresources，it’Snecessarytorecurtoradiesourcemanagementformorehighspeeddatatransmission，steadyQoSguara

2、nteeandvariouskindsofservicesTodesigngoodpacketschedulingalgorithmscanoptimisetheutilizationofwirelessnetworkresourcesThispaperdiscussesindepththeschedulingalgorithmsinLTEAsystemFirstly，thisarticleintroducesthesignifican

3、ceofthestudies，thenitanalysesthecurrentresearchsituationbothathomeandabroadChapter2introducestheLTEAsystemlevelsimulationplatformbasedonCpluspluslanguageusedinthispaperThisplatformisdesignedandconstructedbasedondropmetho

4、dologywhichconformstotheITURM2135ofIMTAdvanced’SItconsistsofseveralmodulesincludingcellgenerationandparametersconnguration，usermoduleinitialization，wirelesschannelinitializationandupdate，modulation／codingselection(MCS)，u

5、serschedulingandperformancestatisticsstcOstworksmainlyfocusonmobilemoduleanduserschedulingmodule’Chapter3mainlyrcscarchspacketschedulingalgorithmsinLTEAsystemThenitintroducesamulticelljointschedulingalgorithminLTEAsystem

6、basedonproportionalfairalgorithmIntheproposedalgorithm，thesystemisdividedintoclusters，andtheuserswithlargersmallscalefadingareselectedingivenproportionineachcellAndjointschedulingisthenperformedtooptimizethegivenobjectiv

7、eComparedwithtraditionalproportionalfairalgorithmof3GandLTEsystem’Ssinglecell，themulticelljointschedulingalgorithmfullyconsideredtheintercellinterference，andimprovedboththecellspectralefficiencyandcelledgeuserspectraleff

8、iciencyChapter4introducesthetheoreticalframeworkoftheoptimizationproblembasedontheutilityfunctionsRelatedalgorithmsbasedonthetheoreticalframeworkuseutilityfunctionstobuildabridgebetweenthephysicallayerandthemediaaccessco