Table 1 Major parameters in DL MU-MIMO-OFDM transceiver

Bandwidth

80 MHz

Carrier frequency

4.85 GHz

Number of antennas

8 (AP)/1 (user)

Maximum number of users

6

Maximum total transmit power

30 dBm

Number of subcarriers

228

(with 12 pilot subcarriers)

OFDM symbol duration

4.0 μs

(3.2 μs + CP 0.8 μs)

Data modulation

QPSK, 16QAM, 64QAM

Channel coding/decoding

Convolutional coding (R = 1/2)/Viterbi decoding