Compressive Sensing Based Bayesian Sparse Channel Estimation for OFDM Communication Systems: High Performance and Low Complexity

Table 2

Simulation parameters.

Transmitter	Data modulation	BPSK
	Number of subcarriers	𝑁𝑑=256
	Number of pilot symbols	𝑁∈{20,30,40}
	Length of CP	𝑁𝑔=16
	Pilot sequence	Random Gaussian sequence
Channel; model	Fading	Frequency-selective block
	Number of channel taps	𝐿=100
	Prob. of nonzero taps	𝑝∈{0.1,0.2}
	Power delay profile	Random Gaussian
Receiver	Channel estimation	BSCE
	Data detection	Zero forcing