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Performance Analysis of MIMO-NOMA Systems with Randomly Deployed Users
Shi,Zheng1; Yang,Guanghua1; Fu,Yaru2; Wang,Hong3; Ma,Shaodan4
Conference NameIEEE Global Conference on Communications (GLOBECOM) / Workshop on Wireless Networking and Control for UAV
Source Publication2018 IEEE Global Communications Conference, GLOBECOM 2018 - Proceedings
Conference DateDEC 09-13, 2018
Conference PlaceAbu Dhabi, U ARAB EMIRATES

This paper investigates the performance of Multiple-input multiple-output non-orthogonal multiple access (MIMO-NOMA) systems with randomly deployed users, where the randomly deployed NOMA users follow Poisson point process (PPP), the spatial correlation between MIMO channels are characterized by using Kronecker model, and the composite channel model is used to capture large- scale fading as well as small-scale fading. The spatial randomness of users' distribution, the spatial correlation among antennas and large-scale fading will severally impact the system performance, but they are seldom considered in prior literature for MIMO-NOMA systems, and the consideration of all these impact factors challenges the analysis. Based on zero-forcing (ZF) detection, the exact expressions for both the average outage probability and the average goodput are derived in closed-form. Moreover, the asymptotic analyses are conducted for both high signal-to-noise ratio (SNR) (small cell radius) and low SNR (large cell radius) to gain more insightful results. In particular, the diversity order is given by \delta = {{N-r} - {M} + 1}, the average outage probability of k-th nearest user to the base station follows a scaling law of O\left({D{\alpha \left( {{N-r} - {M} + 1} \right) + 2k}}\right), the average goodput scales as O({D{2}}) and O({D{-2}}) as D \to 0 and D \to \infty, respectively, where N-r, +, \alpha and D stand for the number of receive antennas, the total number of data streams, the path loss exponent and the cell radius, respectively. The analytical results are finally validated through the numerical analysis.

KeywordMimo Noma Order Statistics. Zero-forcing
URLView the original
Indexed ByCPCI-S
WOS Research AreaEngineering ; Telecommunications
WOS IDWOS:000465774303080
Scopus ID2-s2.0-85063524192
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Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionFaculty of Science and Technology
Affiliation1.University of Jinan
2.Chinese University of Hong Kong
3.Nanjing University of Posts and Telecommunications
4.University of Macau
Recommended Citation
GB/T 7714
Shi,Zheng,Yang,Guanghua,Fu,Yaru,et al. Performance Analysis of MIMO-NOMA Systems with Randomly Deployed Users[C],2018.
APA Shi,Zheng,Yang,Guanghua,Fu,Yaru,Wang,Hong,&Ma,Shaodan.(2018).Performance Analysis of MIMO-NOMA Systems with Randomly Deployed Users.2018 IEEE Global Communications Conference, GLOBECOM 2018 - Proceedings.
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