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. 2025 Aug 29;11:e3031. doi: 10.7717/peerj-cs.3031

Table 3. Energy efficiency comparison in different scenarios.

Scenario Baseline system (bits/Joule) Proposed UAV-RIS system without EMI (bits/Joule) Proposed UAV-RIS system with EMI (bits/Joule)
Urban 4.3 6.8 6.2
Suburban 5.1 7.3 6.7
Rural 5.7 7.9 7.4