第46卷第1期2023年2月电子器件ChineseJournalofElectronDevicesVol.46No.1Feb.2023项目来源:2020年国网河北省电力有限公司科技项目资助(kjcb202019)收稿日期:2021-12-21修改日期:2022-02-11ResearchonCommunicationTechnologyofInternetofThingsBasedonHPLC*WANGHongxi*,TAOPeng,LIFei,SHIZhengang,SHENHongtao,GAOBo(MarketingServiceCenter,StateGridHebeiElectricPowerCo.,Ltd.,ShijiazhuangHebei050000,China)Abstract:Aimingattheresourceallocationproblemofbroadbandpowerlinecarriercommunication,aphysicallayerresourceallocationalgorithmisproposedtomeettheneedsoflowcomplexity.Firstly,basedontheequalpowerallocationmethod,thesetofsub-carriersre-quiredbyeachusertomeettheminimumraterequirementsisdetermined.Themulti-userprobleminresourceallocationcanbesplitin-tosingle-userproblemsisdeterminedtheoptimalpowerallocation.ThenLagrangeMultiplierMethodisusedtooptimizethepowerofthesub-carriersetusedbyeachusertofurtherimprovethesystemthroughput.Simulationanalysisshowsthattheproposedalgorithmhashigherthroughput,anditis13.52%and5.61%higherthanthemaximumthroughputalgorithmandtheGongalgorithmrespectively,meetingtheminimumraterequirementsofusers.Keywords:broadbandpowerlinecarriercommunication;InternetofThingscommunication;physicallayer;resourceallocation;SubcarrierEEACC:6150P;6240Jdoi:10.3969/j.issn.1005-9490.2023.01.007基于HPLC的物联网通信技术研究*王鸿玺*,陶鹏,李飞,石振刚,申洪涛,高波(国网河北省电力有限公司营销服务中心,河北石家庄050000)摘要:针对宽带电力线载波通信资源分配问题,提出一种物理层资源分配算法,满足低复杂度的需求。首先,基于等功率分配方法,确定每个用户满足其最小速率要求所需的子载波集合,资源分配中的多用户问题可以拆分为单用户问题,并满足最优功率分配,然后将拉格朗日乘子法用于优化每个用户使用的子载波集的功率,以进一步提高系统吞吐量。仿真分析表明,所提算法具有更高的吞吐量,比最大吞吐量算法和Gong算法提高了13.52%和5.61%,能够满足用户的最低速率要求。关键词:宽带电力线载波通信;物联网通信;物理层;资源分配;子载波中图分类号:TM913.6;TN915.853文献标识码:A文章编号:1005-9490...