{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1040282256990815360.json","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"19H02134"},{"@type":"JGN","@value":"JP19H02134"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19H02134/"}],"jpcoar:awardTitle":[{"@language":"ja","@value":"光単側波帯変調の楕円様電界複素振幅軌跡を利用した多重技術の研究"},{"@language":"en","@value":"Multiplexing techniques by using elliptic electric-field trajectory of single sideband modulation signal for optical communication systems"}],"field":[{"keyword":[{"language":"ja","textList":["小区分21020:通信工学関連"]},{"language":"en","textList":["Basic Section 21020:Communication and network engineering-related"]}]}],"dc:language":"ja","description":[{"type":"outline_of_research_initial","notation":[{"@language":"ja","@value":"光ファイバ通信の容量拡大のために現在検討されている多重方式の多くは，光の属性に依存しており，限界が見えている．それを越える多重化技術を検討する．ディジタル伝送の時間軸を上手に利用する技術を丁寧に見直せば，信号の時間的変化に数学的直交性を見出すことで新しい時間多重が可能である．光単側波帯(SSB)変調信号の光複素振幅は時間に対して楕円様の軌跡を描くことがわかった．楕円は，長短軸や回転方向に直交性を持ち，楕円体座標や楕円関数を応用することができる．本研究は，光SSB変調の光複素振幅軌跡が楕円であることを利用して，楕円パラメータを多重軸とした通信用多重化技術を提案し，その性能を明らかにする．"}]}],"researcher":[{"@id":"https://cir.nii.ac.jp/crid/1420845751152681472","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"60302303"},{"@type":"NRID","@value":"1000060302303"},{"@type":"NRID","@value":"9000399377030"},{"@type":"NRID","@value":"9000413254776"}],"foaf:name":[{"@language":"ja","@value":"高野 勝美"},{"@language":"en","@value":"Takano Katsumi"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"山形大学"}],"role":"principal_investigator"},{"@id":"https://cir.nii.ac.jp/crid/1420845751156744448","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"90801192"},{"@type":"NRID","@value":"1000090801192"},{"@type":"NRID","@value":"9000414758476"},{"@type":"NRID","@value":"9000413254773"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/Amila_Sampath"}],"foaf:name":[{"@language":"ja","@value":"Kariyawasam Amila"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"九州大学"}],"role":"co_investigator_buntan"},{"@id":"https://cir.nii.ac.jp/crid/1420282801207186176","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"30361273"},{"@type":"NRID","@value":"1000030361273"},{"@type":"NRID","@value":"9000017067430"},{"@type":"NRID","@value":"9000021938660"},{"@type":"NRID","@value":"9000107359079"},{"@type":"NRID","@value":"9000311053927"},{"@type":"NRID","@value":"9000107316122"},{"@type":"NRID","@value":"9000311054136"},{"@type":"NRID","@value":"9000004870509"},{"@type":"NRID","@value":"9000409633638"},{"@type":"NRID","@value":"9000403298739"},{"@type":"NRID","@value":"9000311053671"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0109287"}],"foaf:name":[{"@language":"ja","@value":"多田 十兵衛"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"山形大学"}],"role":"co_investigator_buntan"}],"since":"2019-04-01","until":"2023-03-31","institution":[{"institutionIdentifier":[{"@type":"NII","@value":"0011501"}],"notation":[{"@language":"ja","@value":"山形大学"},{"@language":"en","@value":"Yamagata University"}]}],"fundingProgram":[{"jpcoar:funderName":[{"@language":"ja","@value":"科学研究費助成事業"},{"@language":"en","@value":"Grants-in-Aid for Scientific Research"}]}],"url":[{"@id":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19H02134/","notation":[{"@value":"KAKEN"}]}],"createdAt":"2019-04-18","modifiedAt":"2025-11-20","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=%E5%85%89%E3%83%95%E3%82%A1%E3%82%A4%E3%83%90%E9%80%9A%E4%BF%A1","dc:title":"光ファイバ通信"},{"@id":"https://cir.nii.ac.jp/all?q=%E5%A4%89%E5%BE%A9%E8%AA%BF","dc:title":"変復調"},{"@id":"https://cir.nii.ac.jp/all?q=%E5%8D%98%E5%81%B4%E6%B3%A2%E5%B8%AF","dc:title":"単側波帯"},{"@id":"https://cir.nii.ac.jp/all?q=%E6%A5%95%E5%86%86","dc:title":"楕円"},{"@id":"https://cir.nii.ac.jp/all?q=%E5%A4%9A%E9%87%8D","dc:title":"多重"}],"product":[{"@id":"https://cir.nii.ac.jp/crid/1390573726322237568","@type":"Article","resourceType":"学術雑誌論文(journal article)","productIdentifier":[{"@type":"DOI","@value":"10.1587/bplus.16.18"},{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/bplus/16/1/16_18/_pdf"}],"notation":[{"@language":"en","@value":"Optical Transceivers That You Can Enjoy Making with Easily Available Parts"},{"@language":"ja","@value":"手軽に手に入る部品で作って楽しむ光トランシーバ"}]},{"@id":"https://cir.nii.ac.jp/crid/1020580143236987136","@type":"Book","resourceType":"図書(book)","productIdentifier":[{"@type":"ISBN","@value":"9783036541365"}],"notation":[{"@language":"ja","@value":"Advanced Technique and Future Perspective for Next Generation Optical Fiber Communications"}]},{"@id":"https://cir.nii.ac.jp/crid/1390288912169882496","@type":"Article","resourceType":"学術雑誌論文(journal article)","productIdentifier":[{"@type":"DOI","@value":"10.1587/comex.2021xbl0100"},{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/comex/10/8/10_2021XBL0100/_pdf"},{"@type":"NAID","@value":"130008070782"}],"notation":[{"@language":"en","@value":"Optical field trajectory shaping of phase-shift method-based optical BPSK-VSB signal;an experimental study"}]},{"@id":"https://cir.nii.ac.jp/crid/1360013168781028736","@type":"Article","resourceType":"学術雑誌論文(journal article)","productIdentifier":[{"@type":"DOI","@value":"10.1109/jlt.2021.3099938"},{"@type":"URI","@value":"http://xplorestaging.ieee.org/ielx7/50/9548844/09496140.pdf?arnumber=9496140"}],"notation":[{"@value":"A Study on Sampling Penalties Reduction of Kramers-Kronig Receivers"}]},{"@id":"https://cir.nii.ac.jp/crid/1360009142706452736","@type":"Article","resourceType":"学術雑誌論文(journal article)","productIdentifier":[{"@type":"DOI","@value":"10.3390/photonics8030067"},{"@type":"URI","@value":"https://www.mdpi.com/2304-6732/8/3/67/pdf"}],"notation":[{"@value":"Peak-to-Average Power Ratio Reduction of Carrier-Suppressed Optical SSB Modulation: Performance Comparison of Three Methods"}]},{"@id":"https://cir.nii.ac.jp/crid/1970586434917384010","@type":"Book","resourceType":"図書(book)","productIdentifier":[{"@type":"NCID","@value":"BC17467716"},{"@type":"ISBN","@value":"9784861049019"},{"@type":"URI","@value":"https://ci.nii.ac.jp/ncid/BC17467716#entity"}],"notation":[{"@language":"ja","@value":"次世代高速通信に対応する光回路実装、デバイスの開発"}]}],"dataSourceIdentifier":[{"@type":"KAKEN","@value":"19H02134"}],"grant":{"grantIdentifier":[{"@type":"NII","@value":"69"}],"jpcoar:fundingStream":[{"@language":"ja","@value":"基盤研究(B)"},{"@language":"en","@value":"Grant-in-Aid for Scientific Research (B)"}]},"allocationClassification":[{"notation":[{"@language":"ja","@value":"補助金"},{"@language":"en","@value":"Single-year Grants"}]}],"projectStatus":"project_closed","allocationAmount":{"totalCost":{"amount":"17680000","currency":"JPY"},"breakdownCost":[{"notation":[{"@language":"ja","@value":"直接経費"},{"@language":"en","@value":"Direct Cost"}],"amount":"13600000","currency":"JPY"},{"notation":[{"@language":"ja","@value":"間接経費"},{"@language":"en","@value":"Indirect Cost"}],"amount":"4080000","currency":"JPY"}]}}