WLAN Cell Handoff Latency Abatement Using an FPGA Fuzzy Logic Algorithm Implementation

Table 3

Parameters of membership functions.

Linguistic variable	Linguistic term	Type of function	Parameters
Average signal intensity	Low	Trapezoidal	−80	−80	−70	−50
	Medium	Triangular	−60	−50	−40
	Good	Triangular	−50	−40	−30
	Excellent	Trapezoidal	−40	−30	−20	−20
Signal intensity variation	Negative	Trapezoidal	−3	−3	−2	0
	Zero	Triangular	−1	0	1
	Positive	Trapezoidal	0	1	3	3
Aptitude	Negative	Trapezoidal	−2	−2	−1	−0.5
	Small Negative	Triangular	−1	−0.5	0
	Zero	Triangular	−0.5	0	0.5
	Small Positive	Triangular	0	0.5	1
	Positive	Trapezoidal	0.5	1	2	2