An Improved GOMP Sparse Channel Estimation for Vehicle-to-Vehicle Communications

Table 4

List of key V2V channel parameters in simulating.

Parameter name	Value
Channel model	TDL
Carrier frequency	5.9 GHz
System bandwidth	10 MHz
Observation matrix	Gaussian random matrix
Total number of subcarriers	128
Cyclic prefix	16
Channel additive noise	Gaussian noise
Doppler shift	400 Hz
Speed
Speed
Modulation	QPSK
Pilot format	Comb pilot
SNR (dB)	5–30
Sparsity (OMP/GOMP)	10
Step size
Threshold