Sea Experimental for Compressive Sensing-Based Sparse Channel Estimation of Underwater Acoustic TDS-OFDM System

Figure 6

Energy efficiency comparison of CP-OFDM, conventional TDS-OFDM, DPN-TDS-OFDM, TDS-OFDM a=1, TDS-OFDM a=sqrt (1/2), and proposed LABOMP-TDS-OFDM.