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Table 1 PHY layer parameters

From: An energy-efficient communication system using joint beamforming in multi-hop health monitoring sensor networks

 

Physical layer parameters

Sampling frequency

6.857 MHz

Carrier frequency

5 GHz

PHY technology

MIMO-OFDMA with joint beamforming

OFDM FFT size

128

Used subcarrier number

108

FFT interval

18.667 μs

Subcarrier spacing

53.57 KHz

Bandwidth

5.84 MHz

Modulation scheme

BPSK, QPSK, 16 QAM, 64 QAM

FEC code rate

1/2, 2/3

Guard-interval ratio

1/8