最大化Ad Hoc網(wǎng)絡(luò)生存期的可調(diào)節(jié)拓?fù)淇刂扑惴ㄑ芯?pdf

1、湖南大學(xué)碩士學(xué)位論文最大化AdHoc網(wǎng)絡(luò)生存期的可調(diào)節(jié)拓?fù)淇刂扑惴ㄑ芯啃彰焊痨o巧申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：計(jì)算機(jī)科學(xué)與技術(shù)指導(dǎo)教師：張大方；李曉鴻20120428碩士學(xué)位論文AbstractTheadvancementofsomescientificdomains，includingmicroelectronicstechnologycomputertechnologyandwirelesscommunicationtechniques

2、andSOon，givesanimpulsetothegenerationanddevelopmentofAdHocnetworksAdHocnetworkisacollectionofdevicesthatareequippedwithwirelesscommunicationcapabilitiesformingamulti—hopandselforganizedwirelessnetwork，withouttheneedforaf

3、ixedinfrastructureWiththemeritsofflexibility，fastnetworkingandhighdemandingofsurvivabilityandSOon，itisappliedtomilitaryaffairsanddisastersavingfieldsbroadlyEachnodeinsuchanetworktypicallyoperatesonbatteriesandisthuslimit

4、edinitsactivelifetimeEvenonenodeoutofenergycanhaveimportanteffectonnetworkconnectivityandperformanceTherefore，inAdHocnetworks，maximizingthenetworklifetimeunderenergyconstrainednetworkisacriticalproblemInordertoextendnetw

5、orklifetime，manyalgorithmsinnetworklayershavebeenproposedAsoneofthemostimportanttechniquesinAdHocnetworks，topologycontrolcanbebeneficaltosavingenergiesofnodes，prolongingthenetworklifetimeandincreasingnetworkcapacityInthi

6、spaperthenetworktopologycontrolalgorithmisdiscussedaccordingtothecharacteristicsofAdHocnetworkInordertoprolongnetworklifetime，wepresentanadjustablelifetimeprolongingstructureforAdHocnetworkstocontroltopologyTheresearchwo

7、rkfocusesonthefollowingparts：(1)BysummizingcharacteristicsofwirelessAdHocnetworksandkeytechniques，makesuretheproblemtobesolvedandthesolutiontobeappliedFindthedrawbacksthroughtheresearchontheexistingapproachestotopologyco

8、ntrolwhichcanprolongnetworklifetimeandlaythefoundationforthefollowupwork(2)Throughtheresearchfoundthattheexistingtopologycontrolalgorithmsexistsomedrawkbacksasfollows：First，mostexistingapproachestotopologycontrolmainlyco

9、nsideredtopreserveminimumenergypathsintheresultingtopologystructureswhichmaynotallownetworkstorealizemaximumpotentiallifetimeSecond，formosttopologycontrolalgorithms，theenergymodeladoptedisquiteunrealisticWhenconsideringe