Direct Mapping OFDM-Based Transmission Scheme for Underwater Acoustic Multimedia. - Chin-Feng Lin; Chia-Chang Lee; Shiou-Hung Lai; Shun-Hsyung Chang; Ching-Hsiang Tseng; Tzong-Dar Wu; Hoang-Yang Lu; Hsien-Sen Hung; Fu-Sheng Lu (ISPA, 2010)