Coordinated Beamforming for Multi-Cell Non-Orthogonal Multiple Access-Based Spatial Modulation
- Authors
- Hendraningrat, Denny Kusuma; Satrya, Gandeva Bayu; Ramatryana, I. Nyoman Apraz
- Issue Date
- 2020
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- 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
- Citation
- IEEE ACCESS, v.8, pp 113456 - 113466
- Pages
- 11
- Journal Title
- IEEE ACCESS
- Volume
- 8
- Start Page
- 113456
- End Page
- 113466
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/28355
- DOI
- 10.1109/ACCESS.2020.3002920
- ISSN
- 2169-3536
- Abstract
- 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.
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