Research Article
Multiuser Beamforming with Limited Feedback for FDD Massive MIMO Systems
Table 3
Feature of beamforming schemes.
| | BF scheme | Spatial correlation | CSIT | Performance | RS overhead | Feedback overhead | Calculation complexity |
| | SC | √ | ✕ | Normal | Low | None | Low |
| | SCSL | √ | √ | Poor dynamic balance | High | High |
| | SCIS | √ | √ | Good dynamic balance | Low | Flexible |
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