On Constructing -Spanner in IoT under SINR

Table 1

The stretch factor and the number of sectors in theory.

	7.6	4.3	3.2	2.7	2.3	2.1	2	1.9	1.8	1.7	1.6	1.5	1.4	1.3	1.2	1.1
	7	8	9	10	11	12	13	14	15	16	17	19	22	28	38	70