Name
Title | ||
|---|---|---|
Beamforming and Power Allocation in NOMA-Based Multibeam Satellite Systems with Outage Constraint |
Abstract | ||
|---|---|---|
In this paper, we propose a joint beamforming (BF) and power allocation scheme for non-orthogonal multiple access based multibeam satellite systems. Unlike the existing works where perfect channel state information (CSI) is required, we use imperfect CSI in formulating a constrained optimization problem aiming to minimize the maximum individual antenna powers subject to the outage constraints of quality-of-service requirements. Since the original problem is mathematically intractable, we first adopt Bernstein-Type II inequality to convert the outage constraints into deterministic forms. Then, an alternating optimization algorithm is proposed to jointly design BF vectors and power allocation coefficients. Finally, simulation results are provided to demonstrate the robustness and superiority of the proposed scheme compared with benchmark schemes. |
Year | DOI | Venue |
|---|---|---|
2021 | 10.1109/GLOBECOM46510.2021.9685560 | 2021 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM) |
Keywords | DocType | ISSN |
Multibeam satellite systems, non-orthogonal multiple access, outage constraint, power allocation, robust beamforming | Conference | 2334-0983 |
Citations | PageRank | References |
0 | 0.34 | 0 |
Authors | ||
5 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Zining Wang | 1 | 0 | 0.34 |
| Huaicong Kong | 2 | 10 | 4.52 |
| Shuo Huang | 3 | 0 | 0.34 |
| Ming Cheng | 4 | 4 | 1.43 |
| Wei-Ping Zhu | 5 | 151 | 26.21 |