TAILIEUCHUNG - Large scale mimo MC-CDMA system using combined multiple beamforming and spatial multiplexing

This paper proposes a novel Large-scale (massive) Multi-input Multi-output Multicarrier Code division multiple access (LS MIMO MC-CDMA) model and application to the Fifth-Generation Mobile Communication Systems (5G). This system uses combined cylindrical array antenna multiple beamforming architecture with spatial multiplexing. The model is optimized by Min-Max criteria in order to minimize side lobes and maximize the reduction of propagation loss. | Vietnam Journal of Science and Technology 56 (1) (2018) 102-112 DOI: LARGE-SCALE MIMO MC-CDMA SYSTEM USING COMBINED MULTIPLE BEAMFORMING AND SPATIAL MULTIPLEXING Nguyen Huu Trung*, Doan Thanh Binh Hanoi University of Science and Technology, 1 Dai Co Viet, Hai Ba Trung, Hanoi * Email: Received: 7 February 2017; Accepted for publication: 4 December 2017 Abstract. This paper proposes a novel Large-scale (massive) Multi-input Multi-output Multicarrier Code division multiple access (LS MIMO MC-CDMA) model and application to the Fifth-Generation Mobile Communication Systems (5G). This system uses combined cylindrical array antenna multiple beamforming architecture with spatial multiplexing. The model is optimized by Min-Max criteria in order to minimize side lobes and maximize the reduction of propagation loss. The Monte Carlo simulation results unify with the analytical solution for system performance. Keywords: large-scale/massive MIMO, MC-CDMA, multiple-beamforming, Reduced-Rank, array antenna, spatial multiplexing. Classification numbers: , . 1. INTRODUCTION Due to the explosive growth of smartphones, portable devices and digital content, data traffic has grown exponentially. Therefore, to meet these demands, the 5th generation mobile communication system (5G) has been expected to support super-fast speed and super-high capacity. The user data rate is 1000 times higher compared to current systems (LTE/LTE-A), of tens of Gigabits per second [1]. Besides, this system also has to improve the mobility robustness of mobile applications, and support machine to machine (M2M), human to machine (M2H) interfaces [2]. There are many different frequency schemes for 5G system [3]. 5G system can use overlapping bands on the current UHF band (÷3 GHz) in macro-cell configuration and use low SHF band (Super High Frequency) ranging 3÷6 GHz, high SHF ranging 6÷30 GHz with small-cell configuration. To achieve .

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