Interference-Based Decode and Forward Scheme Using Relay Nodes in Heterogeneous Networks

Table 1

Required SNR for different modulation levels.

SNR	Modulation
3.63 dB	BPSK
8.40 dB	QPSK
12.08 dB	8QAM
15.39 dB	16QAM
18.55 dB	32QAM
21.63 dB	64QAM
24.67 dB	128QAM
27.70 dB	256QAM
30.72 dB	512QAM
33.73 dB	1024QAM