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KAKEN_16K06366seika.pdf
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:Oct 31, 2019 |
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非直交多元接続を用いたヘテロジニアスネットワークのスループット特性
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ヒチョッコウ タゲン セツゾク オ モチイタ ヘテロジニアス ネットワーク ノ スループット トクセイ
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Hichokkō tagen setsuzoku o mochiita heterojiniasu nettowāku no surūputto tokusei
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Throughput performance of non-orthogonal multiple access with joint maximum likelihood detection in heterogeneous network
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眞田, 幸俊
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サナダ, ユキトシ
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Sanada, Yukitoshi
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慶應義塾大学・理工学部 (矢上) ・教授
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Research team head
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科研費研究者番号 : 90293042
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2019
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科学研究費補助金研究成果報告書
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2018
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本研究ではヘテロジニアスネットワークにおける非直交多元接続を検討し、それに適した他端末用信号除去処理方式を提案した。研究は計算機シミュレーションおよび有線結合での高周波信号を使った実験により行った。マクロユーザおよびピコユーザ希望信号ととも他のユーザの信号を統合復調により除去することを検討した。計算機シミュレーションの結果累積確率0.5においてシステムスループットはユーザ当たり約0.2 bit/subcarrier改善した。また実験によっても統合復調の効果を確認した。その結果実験とシミュレーション両方ともほぼ同等の復調特性を示した。また統合復調を用いた方式は最良の特性を示た。
In this research the throughput performance of a non-orthogonal multiple access heterogeneous network with joint etection is evaluated through computer simulation as well as experiments. In the assumed system, a macro user terminal and a pico user terminal are assumed to be capable of applying joint detection to both desired and interference signals. Numerical results obtained through computer simulation have shown that the joint detection improves system throughput by about 0.2 bit/subcarrier/user at a cumulative probability of 0.5. The numerical results obtained through experiments have also shown the same tendency as those obtained through computer simulation.
Also the joint detection achieves the best bit error rate as compared to the other schemes.
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研究種目 : 基盤研究 (C) (一般)
研究期間 : 2016～2018
課題番号 : 16K06366
研究分野 : 無線通信
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