基于ZigBeeMAC层的多信道接入协议的研究

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

BT2HZZ4KDW5''SSZY5''H/KZW:4H:4H:5H5SS(,400065)ZigBeeMAC:ZigBee[1],。MAC,PAN(PersonalAreaNetwork,),PHYZigbee2.4GHz16。,ZigBeeMAC,。:ZigBeeARCHMMSNTRAMA1,WSN[2]。ZigBee,、,2.4GHz,IEEE802.15.4。Zigbee、、,。MAC,PAN(PersonalAreaNetwork,),PHYZigbee2.4GHz16。,,ZigbeeMAC。,ZigBee,,ARCH,matlab,。2ZigBeeZigBeeZigZag[3],,,。,ZigBee、、、,IEEE802.15.4,IEEE。ZigBeeIEEE802.15.4,IEEE(Person-alAreaNetwork,PAN),IEEE802.15.4。IEEEMAC,ZigBeeAPI,,,。2.1ZigBee[4](1):ZigBee,,。,ZigBee。,15ms,30ms,ZigBee。ZigBee262。(2):ZigBeeMACtalk-when-ready,,,;,,。,30120103ShandongCommunicationTechnologyVol.30No.1Mar.2010,。(3):,ZigBee。(4):,。30ms,15ms,15ms。(5):ZigBee255ZigBee,Master,Slave。NetworkCoordinator,6500ZigBee,NetworkCoordinator,ZigBee。,100ZigBee。(6):ZigBee,,。(7):10~75,。(8):2.4GHz(),。2.2ZigBeeZigBee、、,、、PC,、PC、[5]。,,ZigBee:(1),;(2),;(3),;(4);(5),,。ZigBee。、。ZigBee,ZigBee。ZigBee,ZigBee。、、,ZigBee。ZigBeeChiponCC2430,SoCCMOS[6],2.4GHzISM、。3MAC,[7]。MAC,,。,MAC,:(1):(dynamicassignmentandstaticassignment),:1);2)(single-radioandmulti-radio)。(2):(cluster)。(3):(centralizedassignmentandattributedassignment)。4Zigbee,Zigbee。。:ZigBeeMAC110BT2HZZ4KDW5''SSZY5''H/KZW:4H:4H:5H5SS4.1MMSN,,RTS/CTS。,MMSN[8]RTS/CTS。MMSNImplicit-Consensus,:Implicit-Consensuschannelassignmentalgorithm:Input:Nodeα’sID(IDα),andnodeα’sneigh-bors’IDswithintwocommunicationhops.Output:Thefrequencynumber(FreNumα)nodeαgetsassigned.index=0;FreNumα=-1;repeatRndα=Random(IDα,index);Found=TRUE;foreachnodeβinα’stwocommunicationhopsdoRndβ=Random(IDβ,index);if(RndαRndβ)or(Rndα=RndβandIDαIDβ)thenFound=FALSE;break;endifendforifFoundthenFreNumα=index;elseindex++;endifuntilFreNumα?1,ID;,。i,。,,;,ID,。,,,,。,。,ZigBee16,。4.2TDMATRAMATRAMA,,。TRAMANP,NP。ID。,utpriority(u,t)=hash(u○t)(1),,,,。4.3ARCHARCH[9],ARCH。1,,,。。:CHipicksachannelΦiandformsetNeighbors(CHi)SortNeighbors(CHi)accordingtonodeIDj=1,//pointtothetopofNeighbors(CHi)WhileIDiIDNeighbors(j)andj=|Neighbors(CHi)|doWaituntilreceivingΦNeighbors(j)if(Φi≠?ΦNeighbors(k),?k≤?j)thenBroadcast(IDi,Φi)else+2010111ARCHSelectanunusedchannelΦBroadcast(IDi,Φi),ID,ID。,,。,。,,。4.4ZigBee,ZigBee,ZigBee。ZigBee16,。,ARCH,,。:CHi->IDi,andChi’sneighbors’IDsetneighbor(Chi)CHindex=0ForeachChi,InChi’sonecommunicationtop,doRepeatForeachjini;sonecommunicationhopsChoosethebiggestPrioritythenletithavethechannelCHindexCHindex++5matlab,。,、、,。,。,。:1,.Zigbee.,20072,,,..,20053ZigBeeAlliancedocument4,.—ZigBee.,2006(2)5ZigBee().:,20086CC2430ATureSystem-on-Chipsolutionfor2.4GHzIEEE802.15.4/ZigBee[OL].().:,20098MohamedYounis,SamuelBushra.“EfficientDistributedMediumAccessArbitrationforMulti-ChannelWirelessSensorNetworks”.IEEECommunicationsSociety,20079Chenxun,Hanpeng,Heqiu-sheng,Tushi-liang,Chenzhang-long.“AMulti-ChannelMACProtocolforWirelessSensorNetworks”.TheSixthIEEEInternationalConferenceonComputerandInformationTechnology(CIT’06),2006:ZigBeeMAC112

1 / 4
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功