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EURASIP Journal on Wireless Communications and Networking

Table 1 Computation complexity

From: Frequency tracking by method of least squares combined with channel estimation for OFDM over mobile wireless channels

 

LMMSE[1]

The proposed algorithm with LS channel estimation

The proposed algorithm with ML channel estimation

Real multiplication

S(8v + 12)N

LN + 1 + N2

LN + 1 + 2vN

Real division

SN

1

1

Arctangent operation

SN

1

1

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