Table 1 Relevant parameters of an OFDM transmitter

Δ f

Sub-carrier spacing

90.9 kHz

$T=\frac{1}{\mathrm{\Delta f}}$

OFDM symbol duration

11 μ s

T _G

Cyclic prefix duration

1.375 μ s

T _O

Total OFDM symbol duration

12.375 μ s

N

Number of active sub-carriers

1,024 (for U=1)

M

OFDM symbols per frame

256

f _c

center frequency

24 GHz

P _Tx

Transmit power

20 dBm