基于位置的船舶機(jī)會(huì)網(wǎng)路由研究.pdf

1、學(xué)撞代碼：10270I|I!IIIHill!Hi]i／HY3258797上夠嬸跑大誓碩士專業(yè)學(xué)位論文基于位置的船舶機(jī)會(huì)網(wǎng)路由研究學(xué)院：籃皇生扭電王程鱟隨專業(yè)學(xué)位類別：工猩亟專業(yè)領(lǐng)域：過簋扭撞鲞研究生姓名：沈量指導(dǎo)教師：直值勤完成日期2017—3—8AbstractShanghaiNormalUniversityMaster／DoctorofPhilosophyAbstractChinaisabigcountrywithlargearea

2、ofocean，withitscoastlinereaches18000kilometersTherearemanyresourcesintheocean21stCenturyisconsideredtherealizationofmarineinformatizationistherequirementofthetimesOfwhichMarineIntemet(MI)istheinfrastructure，sothedevelopm

3、entofMarineIntemettechnologyhasaveryimportantandfarreachingsignificanceAtpresent，thenetworkcommunicationontheseaisstillnotasconvenientasthatontheland，lackofinfrastructureandharshnaturalenvironmentPosedifficultyfornetwork

4、communication，exceptforsatellitecommunicationonthesea，shipsontheoceanhavetheencounteropportunitywhichCanbeusedtodeliverthemessagesOpportunisticnetworksoftendonotdependontheinfrastructure，thereisnoendtoendconnectivitythro

5、ughoutthenodeitusestheopportunityofnode’SmovementtotransferdataBasedonthecharacteristicsofthemarineenvironment，thispaperstudiestheshipsopportunisticnetworkanditsroutingDuetothewideareaoftheocean，theship(communicationnode

6、)issparse，andunevenlydistributedpossibilityoftheshiptoshipencounterisrelativelylowOntheshipslowspeed，fewobstaclUSfixedroutesandpredictablepositionTakingintoconsiderationothercharacteristicsofpositionpredictablepositionis

7、easyandotherrelatedfeatures，combinedwiththeoceanshippingopportunitynetworkdesignAnewroutingprotocolofshippositioninformationnetworkbasedontheopportunitiesisdesignedtoimprovethenetworkperformanceandthepossibilityofnetwork

8、communicationbetweenshipsontheseaThemainworkofthispaperincludesthefollowingaspects：(1)theopportunisticnetworkisintroduced，itscharacteristicsandpresentweaknessareanalyzed(2)theconnectivityevaluationindexforopportunisticne

9、tworksareanalyzed，asetofconnectivityquantizationschemesystemconstructed，theperformanceofthewholenetworkbycalculatingtheroutedetectionpackettransceiververifiedonthesimulationplatform；(3)accordingtothecharacteristicsofthem

10、arineenvironmentandshipmovingcharacteristics，ashippositionpredictionscheme，thatisusingsatellitepositioningtoacquiretheshippositioninformation，AISgetstheheadingdirectionandspeed，combinedwiththeLagrangepolynomialinterpolat