2017 Fiscal Year Final Research Report
Study on Adaptive Duplex Techniques for 5G Mobile Communication Systems
| Project/Area Number |
15K13993
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Communication/Network engineering
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| Research Institution | Tokyo City University |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Keywords | 移動体通信 / フルデュープレクス / 自己干渉 / 非対称トラヒック分布 / キャリア周波数スワップ / 干渉キャンセラ / ディジタル自己干渉キャンセラ / 周辺セル干渉 |
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| Outline of Final Research Achievements |
In this study, we proposed a transceiver structure using carrier frequency swapping for reducing feedback control signal overhead and showed the effect of decreasing the signal overhead for half duplex (HD)-frequency division duplex (FDD). We also proposed a physical channel multiplexing method employing symbol repetition and a structure of alternately iterative digital self-interference canceller (DSIC) aiming at improving cell throughout or frequency efficiency when applying full duplex (FD) to cellular systems with a multi-cell structure. We showed the effects of suppressing self-interference that is the most significant impairment for applying FD to cellular systems.
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| Free Research Field |
移動通信
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