NDLI: Separate analysis of cell-edge and cell-centre user performance for irregular massive MIMO network with interference cancellation

Content Provider	IET Digital Library
Author	Chen, Changshan Zhao, Xinsheng
Abstract	How much performance gain for the user equipment (UE) located at cell-edge can be obtained, from the interference cancellation (IC) by exploiting extra degrees of freedom in multi-user massive multiple-input multiple-output (MIMO), needs to be investigated. Also, it is necessary to reveal the impact of this IC on the performance of cell-centre UE (CCU). In this study, the authors separately analyse the coverage probability of cell-edge UE (CEU) and CCU under the IC in irregular network utilising tools from stochastic geometry. Specifically, the closed-form expressions for the upper bound of CEU coverage probability and the lower bound of coverage probability for CCU are given out. For large threshold scenario, the authors show the potential of massive MIMO with IC on achieving the cell-centre-like experience in a more simple closed-form formula. Analytical and numerical results show that a reasonable balance between the CEU performance enhancement and the CCU performance degradation under the IC can be reached. Moreover, slight influence of cell-edge area on the coverage probability for both CEU and CCU is observed. Finally, it is found that the coverage probability of CEU is more sensitive to the variation of density of UEs and the base stations than that of CCU.
Starting Page	354
Ending Page	362
Page Count	9
ISSN	17518628
Volume Number	13
e-ISSN	17518636
Issue Number	Issue 3, Feb (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/13/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2018.5321
Journal	IET Communications
Publisher Date	2018-11-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	CCU Performance Degradation Cell-centre UE Cell-centre User Performance Cell-centre-like Experience Cell-edge Area Cell-edge UE Cellular Radio CEU Coverage Probability CEU Performance Enhancement Closed-form Expression Electromagnetic Compatibility Interference Interference Cancellation Interference Suppression Irregular Massive MIMO Network Irregular Network Utilising Tool MIMO Communication Mobile Radio System Multiuser Massive Multiple-input Multiple-output Performance Gain Probability Radio Frequency Interference Radio Link And Equipment Separate Analysis Statistics UEs User Equipment
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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