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EURASIP Journal on Wireless Communications and Networking

Table 2 Utility function for delay and parameter settings

From: Network selection algorithm for heterogeneous wireless networks based on service characteristics and user preferences

Delay

Utility function

a

b

uvoice(d)

Sigmoid function

50

4

uvideo(d)

Sigmoid function

100

3.5

udata(d)

Sigmoid function

150

2

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