(完整)时隙ALOHA协议仿真.doc

陕西理工学院毕业设计第PAGE\*MERGEFORMAT37页共NUMPAGES\*MERGEFORMAT38页第PAGE\*MERGEFORMAT0页共NUMPAGES\*MERGEFORMAT38页时隙ALOHA协议仿真潘鹏飞（陕西理工学院物理与电信学院电子1103班，陕西汉中723000）指导教师：吴燕摘要：时隙ALOHA是应用于无线通信系统中的一种协议，时隙AL0HA使用了各种控制算法以保证系统的稳定性，在比较三种常用网络仿真模型的基础上，分析了时隙ALOHA仿真结果及应用于通信系统中的性能优点。给出了MATLAB仿真平台下实现时隙ALOHA控制算法的流程图，编写了MATLAB代码对时隙AL0HA的伪贝叶控制算法性能进行协议性能测试及仿真结果表示。关键字：时隙；ALOHA；仿真；MATLABSimulationofslottedALOHAprotocolPanPengfei“(Grade11,Class03,MajorElectronicInformationEngineering,InstituteofphysicsandTelecommunicationsDept.,ShaanxiUniversityofTechnologyHanzhong723000,Shaanxi)”。Tutor:WuYanAbstract:SlottedALOHAisusedinawirelesscommunicationsystem,slotALOHAusevariouscontrolalgorithmtoensurethesystemstability,inthecomparisonofthreekindsofcommonlyusednetworksimulationmodelbasedon,analyzestheslottedALOHAsimulationresultsandapplicationincommunicationsystemperformanceadvantages.GivestheMATLABsimulationplatformtoachieveslottedALOHAcontrolalgorithmflowchart.WritethematlabcodeforthetimeslotALOHApseudoBeileafcontrolalgorithmperformanceprotocolperformancetestingandsimulationresults.Keywords:Slot;ALOHA;Simulation;MATLABTOC\o"1-3"\h\uHYPERLINK\l_Toc288971引言4HYPERLINK\l_Toc105392多地址接入协议发展状况PAGEREF_Toc105394HYPERLINK\l_Toc118392.1多地址接入协议概述PAGEREF_Toc118395HYPERLINK\l_Toc17612.2多址接入协议分类PAGEREF_Toc17615HYPERLINK\l_Toc123692.2.1非竞争多址接入协议7HYPERLINK\l_Toc64462.2.2竞争多址接入协议PAGEREF_Toc64467HYPERLINK\l_Toc290542.3多址接入协议仿真模型PAGEREF_Toc290547HYPERLINK\l_Toc114842.3.1仿真系统模型7HYPERLINK\l_Toc114842.3.2业务源模型10HYPERLINK\l_Toc75322.3.3协议评价指标PAGEREF_Toc753210HYPERLINK\l_Toc251523ALOHA协议的基本原理PAGEREF_Toc2515210HYPERLINK\l_Toc72683.1时隙ALOHA的基本原理