NDLI: Evaluations of downlink non-orthogonal multiple access (NOMA) combined with SU-MIMO

Content Provider	IEEE Xplore Digital Library
Author	Xiaohang Chen Benjebboui, A. Yang Lan Anxin Li Huiling Jiang
Copyright Year	2014
Description	Author affiliation: DOCOMO Beijing Commun. Labs. Co., Ltd., Beijing, China (Xiaohang Chen; Yang Lan; Anxin Li; Huiling Jiang) \|\| Radio Access Network Dev. Dept., NTT DOCOMO, Inc., Yokosuka, Japan (Benjebboui, A.)
Abstract	Non-orthogonal multiple access (NOMA) is a promising radio access technique for further cellular enhancements toward 5G. Single-user multiple-input multiple-output (SU-MIMO) is one of the key technologies in LTE /LTE-Advanced systems. Thus, it is of great interest to study how to efficiently and effectively combine NOMA and SU-MIMO techniques together for further system performance improvement. This paper investigates the combination of NOMA with open-loop and closed-loop SU-MIMO. The key issues involved in the combination are presented and discussed, including scheduling algorithm, successive interference canceller (SIC) order determination, transmission power assignment and feedback design. The performances of NOMA with SU-MIMO are investigated by system-level simulations with very practical assumptions. Simulation results show that compared to orthogonal multiple access system, NOMA can achieve large performance gains both open-loop and closed-loop SU-MIMO, which are about 23% for cell average throughput and 33% for cell-edge user throughput.
Starting Page	1887
Ending Page	1891
File Size	325151
Page Count	5
File Format	PDF
ISBN	9781479949120
DOI	10.1109/PIMRC.2014.7136478
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Silicon carbide Interference Multiplexing Downlink MIMO Resource management
Content Type	Text
Resource Type	Article

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