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时间: 2020-4-7 11:06
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ALOHA碰撞算法ELEC350,Dr.JKhan,ALOHAnote.ALOHAProtocolALOHAisconsideredtobeparentrandomaccessprotocolusedincommunicationnetworks.ALOHAprotocolwasdesignedbyaresearchgroupattheUniversityofHawaiitointerconnectanumberofpacketradioterminals.ALOHAwasdesignedasverysimpleprotocolwithminimumcontrol.Theprotocolwasdesignedforaverylighttraffic.Theideaisthatwheneveraradioterminalhasanypackettotransmitthenitshouldtransmitthepacketwithoutcheckingthestatusofthetransmissionchannel.Fromtimetotimethetransmittedpacketwillcollide,butthesecanbetreatedastransmissionerrorsandrecoverycantakeplacebyretransmission.Whentrafficislight,theprobabilityofcollisionisverysmallhenceretransmissionsneedtobecarried……