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

Figure 2

Received frame signal structure of different TDS-OFDM systems. (a) Conventional TDS-OFDM. (b) DPN-TDS-OFDM. (c) TDS-OFDM based on CS.

(a)

(b)

(c)