水下无线传感器网络的研究进展new

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1、计算机研究与发展ISSN1000—1239／CN11-11’

2、PJournalofComputerResearchandDevelopment47(3)：377—389，2010水下无线传感器网络的研究进展郭忠文罗汉江洪锋杨猛倪明选。(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)。(香港科技大学计算机科学与工程系香港)(guozhw@OUC．edu．cn)CurrentProgressandResearchIssuesinUnderwaterSensorNetworksGuoZhongwen，LuoHanjiang，HongFeng，YangMeng，an

3、dLionelMNi(DepartmentofComputerScience，CollegeofInformationScience&Engineering，OceanUniversityofChina，Qingdao，Shandong2661O0)(DepartmentofComputerScienceandEngineering，HongKongUniversityofScienceandTechnology，HongKong)AbstractWiththeemphasisoneffectivesafeguardingofthenationalmarinerightsandin

4、terests，theupsurgeinmarineeconomicdevelopmentandthesignificantprogressinwirelesssensornetworks，underwatersensornetworkshavebecomeanewhotresearcharea．Underwatersensornetworksaredeployedtoperformcollaborativetaskssuchasoceanographicdatacollection，pollutionmonitoring，offshoreexploration，disasterp

5、revention，assistednavigation，andtacticalsurveillance．Underwatersensornetworksuseacousticsignalstocommunicatewitheachother，thusthepropagationdelayislargeduetotheslowacousticsignalpropagationspeed．Underwateracousticcommunicationchannelhaslimitedbandwidthcapacitybecauseofthesignificantfrequencyan

6、ddistancedependentattenuation．Theharshunderwaterchannelalsohashighbiterrorrates．Thus，somenewalgorithmsneeddesigningforunderwatersensornetworks．Anoverviewofunderwaterwirelesscommunicationtechnologies，thedesignofcommunicationhardware，theunderwaternetwork．architectureandthecharacteristicsofunderw

7、atercommunicationchannelsareintroducedfirstly．Thengivenisamoredetaileddescriptionofeightimportantresearchtopics：acousticmodulation，mediumaccesscontro1，routingprotocols，transportprotocols，cross—layerdesign，networksinformationprocessing，localizationtechniquesandsimulationenvironments．Researchorg

8、anizationsonunderwatersensornetworksarealsointroduced．Finallypresentedarepresentproblemsencounteredincurrentresearchandfutureresearchdirectionsinthisexcitingandemergingresearcharea．Keywordsunderwatersensornetworks；acousticnetworks；MACpr