JOURNAL ARTICLE

Adaptive Scheduling of Bidirectional and User-Multiplexing Unidirectional Full-Duplex Links in Cellular Networks

Takuya OhtoKoji YamamotoKatsuyuki HanedaTakayuki NishioMasahiro Morikura

Year: 2017 Journal:   The Journal of The Institute of Image Information and Television Engineers Vol: 71 (2)Pages: J61-J67

Abstract

帯域内全二重(IBFD:In-Band Full-Duplex)通信は,周波数利用効率の向上を目的とし,同一周波数で同時に送受信を行う技術である.しかし,IBFDでは自己干渉とユーザ間干渉が発生する.特に,セル半径の小さいセルやユーザ数の少ないセルでは,ユーザ多重全二重(UFD:user-multiplexing Unidirectional Full-Duplex)においてユーザ間干渉が重大な問題となる.この問題を解決するために,UFDだけでなく双方向全二重(BFD:Bidirectional Full-Duplex)を導入したユーザスケジューリングを提案する.提案方式は自己干渉とユーザ間干渉の大きさに応じて,半二重(HD:Half-Duplex),BFD,UFDのいずれかを選択する.提案方式を重み付きプロポーショナルフェアスケジューリングを基に定式化する.

Keywords:
Duplex (building) Multiplexing Computer science Scheduling (production processes) Computer network Telecommunications Chemistry Engineering

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Topics

Full-Duplex Wireless Communications
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Advanced MIMO Systems Optimization
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Energy Harvesting in Wireless Networks
Physical Sciences →  Engineering →  Electrical and Electronic Engineering

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