The Role of Large-Scale Fading in Uplink Massive MIMO Systems

被引：33
|
作者：
Yang, Ang [1 ]
He, Zunwen [1 ]
Xing, Chengwen [1 ]
Fei, Zesong [1 ]
Kuang, Jingming [1 ]
机构：
[1] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China
来源：
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2016年 / 65卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Ergodic achievable rate; large-scale fading; massive multiple-input-multiple-output (MIMO); PERFORMANCE ANALYSIS; CAPACITY BOUNDS; WIRELESS;
D O I：
10.1109/TVT.2015.2397553
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we analyze the ergodic achievable rate of a large uplink multiuser multiple-input-multiple-output (MU-MIMO) system over generalized-K fading channels. In the considered scenario, multiple users transmit their information to a base station equipped with a very large number of antennas. Since the effect of fast fading asymptotically disappears in massive MIMO systems, large-scale fading becomes the most dominant factor for the ergodic achievable rate of massive MIMO systems. Regarding this fact, in our work, we concentrate our attention on the effects of large-scale fading for massive MIMO systems. Specifically, some interesting and novel asymptotic expressions of ergodic achievable rate have been derived with both perfect channel state information (CSI) and imperfect CSI. Simulation results assess the accuracy of these analytical expressions.
引用
收藏
页码：477 / 483
页数：8
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