Table 5. Latency comparison of baseline and proposed UAV-RIS system.
| User position | Baseline system (ms) | Proposed UAV-RIS system without EMI (ms) | Proposed UAV-RIS system with EMI (ms) |
|---|---|---|---|
| User 1 | 10.5 | 7.8 | 8.3 |
| User 2 | 11.2 | 8.0 | 8.5 |
| User 3 | 9.8 | 7.1 | 7.5 |
| User 4 | 12.0 | 8.6 | 9.0 |