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1、计算机研究与发展ISSN1000-1239PCN11-1777PTPJournalofComputerResearchandDevelopment47(3):377-389,2010水下无线传感器网络的研究进展11112郭忠文罗汉江洪锋杨猛倪明选1(中国海洋大学信息科学与工程学院计算机科学与技术系山东青岛266100)2(香港科技大学计算机科学与工程系香港)(guozhw@ouc.edu.cn)CurrentProgressandResearchIssuesinUnderwaterSensorNetw
2、orks11112GuoZhongwen,LuoHanjiang,HongFeng,YangMeng,andLionelMNi1(DepartmentofComputerScience,CollegeofInformationScience&Engineering,OceanUniversityofChina,Qingdao,Shandong266100)2(DepartmentofComputerScienceandEngineering,HongKongUniversityofScienceand
3、Technology,HongKong)AbstractWiththeemphasisoneffectivesafeguardingofthenationalmarinerightsandinterests,theupsurgeinmarineeconomicdevelopmentandthesignificantprogressinwirelesssensornetworks,underwatersensornetworkshavebecomeanewhotresearcharea.Underwat
4、ersensornetworksaredeployedtoperformcollaborativetaskssuchasoceanographicdatacollection,pollutionmonitoring,offshoreexploration,disasterprevention,assistednavigation,andtacticalsurveillance.Underwatersensornetworksuseacousticsignalstocommunicatewitheach
5、other,thusthepropagationdelayislargeduetotheslowacousticsignalpropagationspeed.Underwateracousticcommunicationchannelhaslimitedbandwidthcapacitybecauseofthesignificantfrequencyanddistancedependentattenuation.Theharshunderwaterchannelalsohashighbiterrorr
6、ates.Thus,somenewalgorithmsneeddesigningforunderwatersensornetworks.Anoverviewofunderwaterwirelesscommunicationtechnologies,thedesignofcommunicationhardware,theunderwaternetworkarchitectureandthecharacteristicsofunderwatercommunicationchannelsareintrodu
7、cedfirstly.Thengivenisamoredetaileddescriptionofeightimportantresearchtopics:acousticmodulation,mediumaccesscontrol,routingprotocols,transportprotocols,cross-layerdesign,networksinformationprocessing,localizationtechniquesandsimulationenvironments.Resea
8、rchorganizationsonunderwatersensornetworksarealsointroduced.Finallypresentedarepresentproblemsencounteredincurrentresearchandfutureresearchdirectionsinthisexcitingandemergingresearcharea.Keywordsunderwatersensornetworks;acousticn