Table 1 Parameters used in simulation

CP-OFDM parameters

Carrier frequency

2 GHz

Sampling frequency

2 MHz

Sub-carrier spacing \(\Delta _f\)

3.90625 kHz

Number of subcarriers N

512

Sampling period Ts

0.5 μs

Useful symbol duration N (T)

512 samples (256 μs)

Cyclic prefix duration \(L_{\text{cp}}\) (\(T_{\text{cp}}\))

36 samples (18 μs)

Channel indoor parameters

Average delay spread DS

38 ns

Delay scaling parameter \(r_{\tau }\)

3

Noise

− 120 dBm