A Novel Massive MIMO Precoding Scheme for Next Generation Heterogeneous Networks

被引:2
作者
Zhang, Fengye [1 ]
Sun, Songlin [1 ]
Rong, Bo [2 ]
Yu, Fei Richard [3 ]
Lu, Kejie [4 ]
机构
[1] Beijing Univ Posts & Telecommun, Sch Informat & Commun Engn, Beijing, Peoples R China
[2] Commun Res Ctr, Nepean, ON, Canada
[3] Carleton Univ, Sch Informat, Dept Syst & Comp Engn, Ottawa, ON K1S 5B6, Canada
[4] Univ Puerto Rico, Dept Elect & Comp Engn, Mayaguez, PR USA
来源
2015 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM) | 2015年
关键词
Massive MIMO; HetNets; precoding; channel estimation; ANTENNAS; SYSTEMS;
D O I
10.1109/GLOCOM.2015.7417346
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
Heterogeneous network (HetNet) is a promising technology to improve the capacity of future generations of cellular network, in which a mobile station can be served by multiple base stations (BSs) with different scales of coverage range, including short range low power nodes (LPNs). In HetNet, a major challenge is how to provide guaranteed quality-of-service (QoS) for all users. To address this issue, we investigate a practical scenario in which the massive multiple-input multiple-output (MIMO) technology is adopted by the cooperation of one macro-cell BS and several LPNs. Furthermore, we provide a lightweight channel state information (CSI) acquisition scheme for the implementation. Numerical simulation results demonstrate that the signal-to-interference-and noise ratio (SINR) of intended users in LPNs covered with small cells can be significantly increased by this proposed massive MIMO precoding scheme, whereas oppressing the impact on neighboring victim users.
引用
收藏
页数:6
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