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Table 3 Computer simulation parameters

From: Interleaved block subcarrier allocation and power combination for frequency symbol spreading multiuser diversity OFDMA

Data modulation

16QAM

Data detection

ZF, MMSE

Symbol duration

10 \(\upmu\)s

Number of data symbols

20

Number of users

4

Number of data subcarriers

128

FFT size

128

WHT and DFT spreading length

32

Guard interval

32 sample time

Path model

15 path Rayleigh fading

Doppler frequency

5 Hz

Channel estimation

Perfect

FEC

Convolutional code for \((R,{\mathcal {K}})=(1/2,7)\)