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Coordinated Beamforming for Multi-Cell Non-Orthogonal Multiple Access-Based Spatial Modulation
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DOI：10.1109/ACCESS.2020.3002920.png)
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Abstract
En 中文
This paper proposes coordinated beamforming (CB) that works over non-orthogonal multiple access (NOMA) scheme integrated with spatial modulation (SM), termed as CB NOMA-SM, to improve capacity and user fairness. User capacity, ergodic sum capacity (ESC), and user fairness of $K$ number of coordinated base stations (BSs) are simulated and analyzed by comparing them with joint transmission coordinated multi-point based NOMA with SM (JT-CoMP NOMA-SM), NOMA, and orthogonal multiple access (OMA). The results show that the proposed system outperforms the other schemes both in ESC and user fairness due to the enhancing CEU while CCU capacity still can be maintained.
Keywords:
NOMA
Antennas
Array signal processing
Channel estimation
Silicon carbide
Interference
Modulation
Non-orthogonal multiple access (NOMA)
coordinated beamforming (CB)
spatial modulation (SM)
capacity
user fairness
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