Adaptive Channel Estimation for Underwater Acoustic OFDM System in Impulsive Noise Environment

<div>Comparison of the BER performance versus SNR between the proposed algorithms and the A-OMP (for <span class="nowrap"><svg height="11.927pt" id="M331" style="vertical-align:-3.291101pt" version="1.1" viewbox="-0.0498162 -8.6359 38.2141 11.927" width="38.2141pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M822 650H589L583 622C660 617 677 607 674 561C672 534 664 481 647 390L600 137H596L273 650H126L120 622C176 620 194 615 207 594C221 571 225 557 214 504L161 257C141 166 129 112 121 85C108 42 83 30 29 28L23 0H260L266 28C193 33 173 42 176 89C178 122 186 172 202 255L256 527H259L583 -8H612L690 390C708 481 720 535 728 558C744 603 756 619 816 622L822 650Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,10.062,3.132)"><path d="M722 297H451L442 267C561 257 561 253 547 182L531 98C521 44 465 24 390 24C228 24 130 134 130 296C130 482 252 628 465 628C592 628 657 579 656 458L692 461C695 540 699 605 702 631C664 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Wireless Communications and Mobile Computing

fig9

Figure 9

Figure 9: Adaptive Channel Estimation for Underwater Acoustic OFDM System in Impulsive Noise Environment 