Table 3 The ICW and the coefficient values, , giving lowest energy consumption (Energy) when choosing a specific delay and a specific number of tags for the constant algorithm.

Delay (ms)

50 ( ms)

250 ( ms)

450 ( ms)

650 ( ms)

850 ( ms)

1050 ( ms)

250

 ms

 μ J

500

400 ms

13

186 μ J

1000

1000 ms

400 ms

1

3

182 μ J

324 μ J

1700

1600 ms

1600 ms

1000 ms

35

10

1

182 μ J

191 μ J

529 μ J

2500

2500 ms

2500 ms

2200 ms

2200 ms

40

2

13

1

182 μ J

186 μ J

199 μ J

348 μ J

3200

3100 ms

3100 ms

3100 ms

3100 ms

2200 ms

17

26

11

4

2

182 μ J

184 μ J

190 μ J

203 μ J

521 μ J

4000

4000 ms

4000 ms

4000 ms

3700 ms

3700 ms

3400 ms

75

4

1

20

10

2

182 μ J

183 μ J

187 μ J

194 μ J

211 μ J

394 μ J

5000

4900 ms

4900 ms

4900 ms

4900 ms

4900 ms

4900ms

19

2

17

12

6

4

181 μ J

183 μ J

185 μ J

188 μ J

194 μ J

207 μ J

6000

4900 ms

4900 ms

4900 ms

4900 ms

4900 ms

4900ms

19

2

99

93

67

42

181 μ J

183 μ J

185 μ J

187 μ J

192 μ J

200 μ J