A Use of Fuzzy TOPSIS to Improve the Network Selection in Wireless Multiaccess Environments
Table 3
Values of attributes used in the simulation of MADM methods.
Network/attributes
F (kbps)
Av (%)
S (%)
D (ms)
L
EC
C
J (ms)
GPRS
21.4–171.2
50–100
50
50–70
50–80
2
1
3–20
EDGE
43.2–345.6
40–100
50
20–60
25–70
2
2
3–20
UMTS
144–2000
40–100
60
20–40
15–65
4
4
3–20
HSDPA
14 MBPS
50–100
60
10–50
10–80
5
5
3–20
LTE
10–300 MBPS
40–100
65
10–30
10–40
7
7
3–20
Wi-Fi a, b, g
8–54 MBPS
40–100
60
130–200
30–70
3
1
3–20
Wi-Fi n
72–450 MBPS
30–100
65
100–140
20–60
4
1
3–20
Wi-Fi ac
433–1300 MBPS
50–100
70
90–110
10–40
5
2
3–20
WiMax
70 MBPS
40–100
60
60–100
10–70
7
5
3–20
The attributes of energy consumption (Ec) and cost (C) are expressed on a scale of 1 to 7. The attributes F, AV, and S are of benefit, and D, L, EC, C, and J are of cost.