A Novel Scheme to Minimize Hop Count for GAF in Wireless Sensor Networks: Two-Level GAF

Table 1

Number of square grids for different size of target regions.

Height width	400 400	500 500	600 600	800 800	1000 1000
GAF/T-GAF	8 8 = 64	11 11 = 121	13 13 = 169	17 17 = 289	22 22 = 484
DGAF/T-DGAF	11 11 = 121	14 14 = 196	16 16 = 256	22 22 = 484	28 28 = 784