Electrical& Computer Electrical& Computer22In the FutureAfter GraduationIn the FutureAfter GraduationProfessorReceived Dr. Eng. degree from WasedaUniv. in 2000. Research Associate since 2000 and Associate Prof. since 2006 with ShinshuUniv. Research interests include digital mobile communications systems.Professor1989;CompletedDoctoralprogramatgraduateschoolofScienceandTechnology,ChibaUniversity1989-1996；TOSHIBACorp.1996；AssociateProfessor,2005；ProfessorResearchField;Magneticmaterials/devices/sensorsandtheirapplicationsEngineeringEngineeringManypeopleareusingwirelesscommunicationservicessuchascellular-phone/smartphonedigitalbroadcasting,andwirelessLAN(Wi-Fi)onadailybasis.Theseservicesaresupportedbymanywirelesstechnologiessuchasspreadspectrum,OFDManddiversitycombining.Inthislab,wetheoreticallyinvestigatetheperformancesofthosetechnologiesinordertorealizeanewwirelesscommunicationsystemwithusabilityandefficiency.FumihitoSasamoriAsanapproachaimedtorealizeade-carbonsociety,effortsforefficientuseofelectricenergyarebeingpromoted.Thepowerelectronicssystemsarewidelyusedinthehugepowergrid.However,themagneticdevicesarecurrentlyaseriousbottleneckinrealizingcompact/lightweight/highly-efficientSiC/GaNbasedpowerelectronicssystems.Inourlaboratory(AssociateProfessorMakotoSoneharaandI),R&DsontheinnovativelowlossmagneticmaterialsanddevicesforhighfrequencypowerconversionarenowbeinginprogressToshiro SatoCellular-phones/smartphonescommunication,terrestrialdigitalbroadcastingandwirelessLANservicesrequirehigh-speed(broadband)wirelesschannelsandexclusiveterminals.However,atrackingsystemforchildren’ssecurity/safetyandanautomaticmeteringsystemforelectricity/gas/waterdon’trequirethem.Wetakeatheoreticalapproachtoexploreawirelesssystemthatusesalow-speedchannelsuchasafree-ofchargevoicechannel,asitconsumeslessenergy,thusischeaperandalsoiseasiertouse.Wirelesscommunicationengineersareinhighdemandinnumeroustele-communicationscarriers,railwaycompanies,electricpowercompanies,andelectricalmanufacturers.Wirelesstechnologiescanbeappliedinvariousfieldsofengineering,sosomegraduateschangetheircareersforcareerenhancement.WiththespreadofAIandIoTthroughoutispredictedthathugeamountsofelectricenergywillberequired.Asanapproachtomaintainasustainablesociety,novelpowerelectronicstechnologyforhighly-efficientutilizationofelectricenergywillbecomeincreasinglyimportantinthefuture.Themagneticmaterial/devicedevelopmentandtheirapplicationtovariouspowerelectronicssystemsarepromotedinourlaboratory,andthelaboratorystudentscanacquirediverseskills.Graduatesareactiveinawidevarietyofincludingelectronicsmanufacturers,electroniccomponentmanufacturers,electricpowercompany,railwaycompany,andresearchinstitutes.communications,terrestrialcompaniessuchastheworld,itfields,We design and implement an OFDM digital signal processing on a microcontroller over voice grade analog channels.In order to simulate wireless systems, we build a PC cluster with which many PCs can be virtually viewed as a high spec computer.SiC/GaNpowerdeviceswithverylowon-resistanceandveryhighspeedswitchingenabletorealizecompact,lightweightandhighly-efficientpowersupplysystemsbyincreasingoperationfrequency.Forfurtherprogress,theinnovativelowlossmagneticmaterialsanddevicesmustbedeveloped.Developmentofembed-dedmagneticdevicesintoorganicinterposer(Photo-lithographyprocessat1st.floorofUFO-agano)Rapidquenchingapparatusformakingsoftmagneticribbon(1st.floorofSASTec)Theoretical Approach to Realize WirelessCommunication with Usability and EfficiencyToward carbon-free society！also contribution to Aerospace Systems！
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