An Improved Channel Estimation Algorithm Based on WD-DDA in OFDM System

Table 2

Power delay profile of TDL-A channel [24].

Normalized delay	Power in dB	Fading distribution
0.0000	−13.4	Rayleigh
0.3819	0	Rayleigh
0.4025	−2.2	Rayleigh
0.5868	−4	Rayleigh
0.4610	−6	Rayleigh
0.5375	−8.2	Rayleigh
0.6708	−9.9	Rayleigh
0.5750	−10.5	Rayleigh
0.7618	−7.5	Rayleigh
1.5375	−15.9	Rayleigh
1.8978	−6.6	Rayleigh
2.2242	−16.7	Rayleigh
2.1718	−12.4	Rayleigh
2.4942	−15.2	Rayleigh
2.5119	−10.8	Rayleigh
3.0582	−11.3	Rayleigh
4.0810	−12.7	Rayleigh
4.4579	−16.2	Rayleigh
4.5695	−18.3	Rayleigh
4.7966	−18.9	Rayleigh
5.0066	−16.6	Rayleigh
5.3043	−19.9	Rayleigh
9.6586	−29.7	Rayleigh