1 Subjects: “...wireless technology...”

2 Subjects: “...wireless passive human sensing...”

3 Subjects: “...wireless charging...”

4 Subjects: “...simultaneous wireless information and power transfer...”

5 Subjects: “...wireless sensor network...”

6 Subjects: “...wireless sensor networks...”

7 Subjects: “...wireless sensors...”

8 Subjects: “...wireless sensors network...”

9 Subjects: “...wireless networks...”

10 Subjects: “...wireless networks...”

11 Subjects: “...wireless sensor network...”

12 Subjects: “...sustainable wireless energy transmission technology...”

13 Subjects: “...wireless sensor network...”

14 Subjects: “...wireless sensor networks...”

15 Subjects: “...wireless strain sensor...”

16 Subjects: “...wireless strain sensor...”

17 Subjects: “...wireless strain sensor...”