Performance Analysis for User-Centric Dense Networks With mmWave

被引:17
作者
Shi, Jianfeng [1 ]
Pan, Cunhua [2 ]
Zhang, Wence [1 ,3 ,4 ]
Chen, Ming [1 ]
机构
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Jiangsu, Peoples R China
[2] Queen Mary Univ London, Sch Elect Engn & Comp Sci, London E1 4NS, England
[3] Jiangsu Univ, Sch Comp Sci & Telecommun Engn, Zhenjiang 212000, Peoples R China
[4] Southeast Univ, NCRL, Nanjing 210096, Jiangsu, Peoples R China
来源
IEEE ACCESS | 2019年 / 7卷
基金
中国国家自然科学基金;
关键词
User-centric dense networks; millimeter wave; Poisson point process; ergodic capacity; coverage probability; RADIO ACCESS NETWORKS; ENERGY EFFICIENCY; CAPACITY ANALYSIS; COVERAGE; UPLINK;
D O I
10.1109/ACCESS.2019.2893403
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper focuses on the coverage probability and ergodic capacity for millimeter wave (mmWave) user-centric dense networks, where multiple access points (APs) consist of a virtual cell for each user equipment and transmit data with mmWave antennas cooperatively. All APs are distributed according to a homogeneous Poisson point process. Different from the low-frequency band (below 3 GHz), blockages have a non-negligible effect on mmWave band. To illustrate the effect, we utilize a line-of-sight probability function, which is dependent on the link-length. Then, via stochastic geometry, the expressions for coverage probability and ergodic capacity are derived, which accounts for: blockages, different small-scale fading distributions (Nakagami, Rayleigh, and no fading), and AP cooperation. In addition, we deduce the approximate expressions for coverage probability and ergodic capacity by using the noise-limited approximation. The numerical results validate our analytical expressions and show that the AP cooperation can provide high coverage performance and distinct capacity gain in a lower-AP-density region.
引用
收藏
页码:14537 / 14548
页数:12
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