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Table 1 Basic OFDMA system parameters.

From: Throughput Analysis of Band-AMC Scheme in Broadband Wireless OFDMA System

Parameters

Value

Frequency

2.3 GHz

System bandwidth

8.75 MHz

FFT size

1024

Number of data subcarriers

768

Number of symbols per frame

Downlink: 27 symbols

 

Uplink: 15 symbols

Channel coding

Convolutional turbo code

Frame duration

5 ms

Symbol duration

115.2 s

Number of subcarriers per subchannel

48

Number of subcarriers per CQI channel

48