伝搬路時変動に耐性のあるMassive MIMOヌル空間拡張の基礎確立と応用展開

项目来源

日本学术振兴会基金(JSPS)

项目主持人

丸田 一輝

项目受资助机构

東京理科大学

项目编号

25K01234

立项年度

2025

立项时间

未公开

项目级别

国家级

研究期限

未知 / 未知

受资助金额

25740000.00日元

学科

通信工学関連

学科代码

未公开

基金类别

基盤研究(B)

关键词

多素子アンテナ;ビームフォーミング;ヌル空間拡張;時変動;

参与者

未公开

参与机构

東京理科大学,工学部電気工学科;

项目标书摘要:Outline of · · · Start:無線通信は,時間および周波数という限られた資源を効率的に活用する必要があり,複数のアンテナから同時に信号を送信するMIMO技術がその解決策として有効である.しかし,端末の移動によるユーザ間干渉が課題となる.申請者は,これまでに独自技術としてヌル空間拡張を提案し,移動環境においても干渉を低減し安定した通信を実現できることを示してきた.本研究を通して,ヌル空間拡張技術をMIMO通信の有効な手法として確立し,その技術を高度化する.検討項目として「物理層評価基盤の構築」「性能改善のための新規手法の創出」「応用展開」に取り組み,国際的な活動も通して国内外で技術的リーダーシップを確立することも目指す。

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  • 1.De···Un···di···of···er···ve···ec···ng···se···ul···pa···Ex···si···fo···ul···Us···Ma···ve···MO··· T···-V···in···ha···l

    • 关键词:
    • Precoding; Vectors; Iterative methods; Downlink; Correlation;Mathematical models; Jacobian matrices; Antennas; Time-varying channels;Computational modeling; Massive MIMO; multiuser MIMO; channel timevariation; null-space expansion; low complexity; deep unfolding;COMPLEXITY SIGNAL-DETECTION; LARGE-SCALE MIMO; PREDICTION; SYSTEMS;FUTURE; 6G
    • Sa···i,···ki···rr···Sa···;C···ra···ty···ou···;N···za··· J···Di···, ···;M···ta···az···
    • 《IE···TR···AC···NS··· C···UN···TI···》
    • 2026年
    • 74卷
    • 期刊

    Th···pa··· p···os···a ···el···w-···pl···ty···ec···ng···ig···fo···ow···nk··· m···i-···r ···si···mu···pl···np···mu···pl···ut··· (···mM···) ···te···n ···e-···yi···ch···el···vi···me···. ···er···er···te···re··· (···) ···pr···io···er···ma··· i···he···-M··· s···em···te···ra··· d···to···e ···ma··· b···ee···he···an··· s···e ···d ··· p···od··· w···ht···ri···io···nd···at···ri···si···l ···ns···si··· L···ra···g ··· m···iv···nt···a ···re···of···ee··· (···s)··· m···O,···ll···ac···xp···io···NS···wa···re···us···co···iv···to···pr··· I···su···es···n ···fo···nc···y ···er··· m···ip···nu··· t···rd···de···ed···er···ui···nt···UE··· e··· i···ig···ob···ty···vi···me··· H···ve···NS···as···ve···ch···en···, ···h ···hi···co···ta···n ···pl···ty···us···by···e ···re···ng···ll···ca···n ··· n··· s···ul···ma···x ···uc···e ···th···ra···at··· d···to···gh···me···rr···ti··· C···id···ng···es···ha···ng··· t··· p···r ···po··· J···bi···tr···ba··· i···at··· l···co···ex··· N···we···t ···ig···Fo···in···n ··· G··· m···ix···bl··· d···on···st···tu···in···E,···is···pe···re···ts···Ja···' ···el···se···pp···im···on···d ···ge···ra···er···ti···at··· u···g ···p ···ol···g ···) ···en···ce···e ···ve···nc···f ··· i···rs···at···. ··· e···ct···ne···of···e ···po··· s···me··· d···ns···te···hr···h ···pu··· s···la···ns·

    ...
  • 2.Nu···Sp··· E···ns··· a···Tr···mi···on···we···on···l ··· C···-F··· M···iv···IM···ys···s

    • 关键词:
    • Cells;Communication channels (information theory);Cytology;Expansion;MIMO systems;Mobile telecommunication systems;Network architecture;Optimization;Power control;Signal interference ;Time varying networks;Cell-free;Cellular network;Expansion power;Interference power;Massive MIMO;Null space;Null-space expansion;Space expansion;Space transmission;Transmission power control
    • Su···i,···ku···Sa···i,···ki···ru··· K···ki
    • 《16···In···na···na···on···en···on···iq···ou···nd···tu···Ne···rk···IC··· 2···》
    • 2025年
    • July 8, 2025 - July 11, 2025
    • Hy···d,···sb··· P···ug··
    • 会议

    Ce···Fr···Ma···ve···MO···F-···MO···as···er··· a··· p···is··· a···it···ur···o ···rc··· l···ta···ns··· t···it···al···ll···r ···wo···, ···ti···ar···th···eg···at··· o···om···ic···on···al··· a···el···dg··· H···ve···do···in···ul···us···MI···sy···ms···ne···ly···ff···fr···si···fi···t ···fo···nc···eg···at··· i···ob··· e···ro···nt···ue··· t···-v···in···ha···ls···o ···re···th···is···, ···l ···ce···pa···on···SE···as···en···op···d ···a ···or···ch···ue···r ···us···nt···er···e ···pr···io···Th···pa··· a···ie···SE··· t···CF···IM···ra···or···o ···ro···it···es···en···ag···st···an··· v···at···. ···ad···io···o ···er···en··· p···r ···al···e ···ng···er···es···ia··· t···e ···un···or··· c··· b···da···s,···ma··· a···jo···ha···ng···n ···mM··· s···em···Th···fo··· t··· s···y ···s ···ma···iz···ve···l ···te···er···ma··· b···oi···y ···re···ng···th···te···re··· a···tr···mi···on···we···on···l ···C)···ob···s.··· f···ul··· a···we···pt···za···n ···bl···un··· t···as···pt··· t··· N···is···pl··· a···at···pt··· s···e ···us··· a···ff···en···um···ca···pp···ch···im···ti···re···ts···nf··· t··· t···co···ne···se··· N···an···pt···ze···ow···co···ol···ha···s ···ti···r ···ti···mu···pl···ng···pa···it···n ···mM··· s···em···© ···5 ···E.

    ...
  • 3.De···Un···di···of···ch···so···te···io···or···lt···se···as···e ···O ···l-···ce···pa···on

    • 关键词:
    • Channel estimation;Communication channels (information theory);Computational complexity;Expansion;Feedback control;Signal processing;Deep unfolding;Inter-user interference;Multi-user massive multiple-input multiple-output;Multiple inputs;Multiple outputs;Multiusers;Null space;Null-space expansion;Richardson's iteration;Space expansion ;Unfoldings
    • Sa···i,···ki···rr···Sa···;C···ra···ty···ou···;N···za··· J···Di···, ···;M···ta···az···
    • 《16···In···na···na···on···en···on···iq···ou···nd···tu···Ne···rk···IC··· 2···》
    • 2025年
    • July 8, 2025 - July 11, 2025
    • Hy···d,···sb··· P···ug··
    • 会议

    Th···pa··· f···se···n ···ow···mp···it···re···in···ei··· s···ab···fo···ul···us···ma···ve···lt···e-···ut···lt···e-···pu···MU···IM···in···er···rm···ls···UT··· m···li···en···on···t.···ll···ac···xp···io···NS···me···d ···ie··· b···er···te···er···te···re··· (···) ···pr···io···er···ma··· t··· c···ne···re···ti···sc···es··· s···ri···se···al···ll···or···te···ri···UT···n ··· h··· m···li···en···on···t.···we···, ··· f···s ···ll···es··· e···ct···ly···na···g ··· c···ut···on···mp···it···f ··· w···ht···si··· O···pr···se···ch··· i···rp···te···ee···nf···in···nt···he···ch···so···te···io···o ···ie···a ···-c···le···y ···gh···or···E.···mp···r ···ul···on···mo···ra··· t···su···io···y ···th···ro···ed···he···in···rm···f ··· s···re···on···rf···an···an···om···at··· c···le···y.···20···IE···

    ...
  • 4.Op···iz···Br···-R···e ···l-···er··· I···rp···te···it···-R···Ba··· B··· T···ki···fo···il···et···Wa···V2·

    • 关键词:
    • Automobile steering equipment;Convolutional codes;Intelligent vehicle highway systems;Radio communication;Radio transmission;Steering;Vehicle to infrastructure;Vehicle to vehicle communications;Vehicle transmissions;Wireless networks;Autonomous Vehicles;Capacity data;Data-transmission;High capacity;High-capacity;High-speed capacity;Millimeter-wave band;Null-steering;Route planning;Sensors data
    • Oz···, ···in···sa··· Y···;N···za··· J···Ma···a,···zu··
    • 《10··· I··· V···cu··· T···no···y ···fe···ce···TC···25···ri···20··》
    • 2025年
    • June 17, 2025 - June 20, 2025
    • Os··· N···ay
    • 会议

    Th···oo···na···n ···co···ct···au···om··· v···cl···(C···) ···ex···te···o ···il···te···re···fi···nt···ut···la···ng···d ···ro···sa···y ···en···in···he···ch···e ···se···r ···a ···we···ro···id···nf···tr···ur···nd···he···eh···es···iv···th···ub···nt··· v···me··· s···or···ta···vo···d,···e ···li···io···f ··· m···im···r-···e ···Wa··· b··· i···ss···ia···Wh··· m···ve···pp···s ···h-···ed···d ···h-···ac··· d··· t···sm···io···wi···es···om···ic···on···st··· f···CA···ar···ub···t ···ra··· s···al···gr···ti···ca···d ···ve···le···bi···y.··· a···es···he···ch···en···, ···vi··· s···ie···av···ro···ed···oa···an···nu···st···in···BR··· i···gr···d ···h ···m ···ck··· t···ta···iz···ul···us···sp···al···lt···le···g ···ns···si···in···gh···ee···ob··· e···ro···nt···BR···ut···ze···ig··· r···at··· a···es···ri··· f··· l···ti···in···ma···n ···st··· a···ti···l ···ls···wa···in···fe···g ···ic···, ···re···en···ci···in···-u··· i···rf···nc···IU···su···es···n.···an···le···ur···ev···s ···ro···, ···it···al···ll···ee···g,···li···on···xe···an··· w···h ···it···ts···ap···il··· a···ef···ie···. ···re···ve···is···su···th···pa··· n···y ···po··· o···mi···io···f ···ul···ba··· n··· s···e ···an···n ···lo···ng···hi···tr···li···on···ma···n ···vi··· t···ug···-R···an···oo···at··· a···en··· m···ag···It···ff···iv···ss··· v···da··· t···ug···op···ti···ed···mp···r ···ul···on···om···in···ea···ti···tr···ic···mu···or··· 2··· I···.

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  • 5.Ou···f-···d ···ka···Su···es···n ···Pa···t-···ed···T ··· W···fo···Sh···ng···d ···l-···er···

    • 关键词:
    • Energy transfer;Inductive power transmission;Internet of things;Packet networks;Leakage suppression;Null-steering;Out of band;Out-of-band leakage;Packet base;Packet-based;Power transfers;Transfer technologies;Waveform shaping;Wireless power
    • Mu···, ···su···Ok···, ···ma···ts···, ···ah···;K···ra···om···ka···ra···i,···ke···i;···ut···Ka···i
    • 《16···In···na···na···on···en···on···iq···ou···nd···tu···Ne···rk···IC··· 2···》
    • 2025年
    • July 8, 2025 - July 11, 2025
    • Hy···d,···sb··· P···ug··
    • 会议

    Th···ev···pm··· o···ir···ss···we···ra···er···PT···ec···lo···ha···ro···ss···as··· e···ci··· s···ti···fo···up···in···ow···to···me···s ···er··· o···hi··· (···) ···ic··· T··· p···r ···us···on···ck···ba··· m···ow··· W··· w···h ···ui··· h···er···an···ss··· p···r ···n ···ve···on···co···ni···io···ys···s.···al···ge··· o···of···nd···ak··· c···ed··· p···et···d ···ia···n ··· s···is···at···sc···ul··· a···be···ma···em···. ···s ···er···op···s ···om···it···pp···ch···te···ti···wa···or···ha···g ··· f···ue··· s···ct··· n···-s···ri···to···ti···e ···ct··· a···sp···al···ak··· s···lt···ou···. ··· t···co···ne··· o···he···op···d ···em···ed··· t···ou···f-···d ···ka···by···ou···2 ···co···re···o ··· c···en···na···ne···hi···ke···ng···e ···ns···si···ef···ie··· d···ad···on··· 1··· ©···25···EE·

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