Location-Aware Transmission for Two-Cell Wireless Networks With Caching

被引：0

作者：

Jiang, Bin ^{[1
]}

Zheng, Fu-Chun ^{[2
]}

Peng, Tong ^{[3
]}

Burr, Alister G. ^{[4
]}

Fitch, Mike ^{[5
]}

机构：

[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Peoples R China

[2] Harbin Inst Technol Shenzhen, Sch Elect & Informat Engn, Shenzhen 518055, Peoples R China

[3] Kings Coll London, Ctr Telecommun Res, Dept Informat, London WC2R 2LS, England

[4] Univ York, Dept Elect Engn, York YO10 5DD, N Yorkshire, England

[5] Univ Surrey, 5G Innovat Ctr, Guildford GU2 7XH, Surrey, England

来源：

IEEE ACCESS | 2020年 / 8卷 / 08期

基金：

英国工程与自然科学研究理事会; 中国国家自然科学基金;

关键词：

Signal to noise ratio; Power system reliability; Probability; Receivers; Interference; Downlink; Transmitters; Wireless caching; achievable sum rate; outage probability; DELIVERY; CAPACITY; 5G;

D O I：

10.1109/ACCESS.2020.3020543

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A novel downlink transmission selection scheme based on the locations of users for network coded cache-enabled, Multiple-Input Multiple-Output (MIMO) systems is proposed in this paper. Caches are available at both base stations (BSs) and mobile terminals (MTs) and network coding is employed in order to reduce power consumption. We compare the analysis of the proposed scheme with a simple direct transmission scheme in terms of achievable sum rate and outage probability. It is shown that the proposed scheme is preferred for high transmit signal-to-noise ratio (SNR) and/or high cross-link channel gain ratio scenarios, while the simple direct transmission scheme is better for low SNR and/or low cross-link channel gain ratio. Motivated by this analytical results, we present a selection algorithm for location-aware transmission scheme for two-cell networks. Numerical results confirm our theoretical analysis.

引用

页码：170769 / 170778

页数：10

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