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Soft-decision algorithms for single-carrier modulation single-input single-output underwater acoustic wireless communications

Detailed Technology Description: None

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*Abstract: Time domain synchronous orthogonal frequency division multiplexing (OFDM) is a novel OFDM transmission scheme which utilizes time-domain sequences as the guard intervals and as the training sequences to enhance the overall data efficiency. By adopting turbo equalization and data-aided channel re-estimation, the MIMO TDS-OFDMsystem is applied to underwater acoustic (UWA) communications and achieves better error performance than zero-padded OFDM with comparable sizes of guard interval and pilots. The proposed MIMO TDS-OFDM scheme achieves high performance and high data efficiency, and keeps low complexity. Its performance is demonstrated by a simulation and an underwater pool experiment

*Principal Investigator: Name: Y. Zheng, Professor, Electrical & Computer Engineering
Department:

Name: Weimin Duan, Ph.D Student
Department:

Name: Chengsha Xiao
Department:

Country/Region: USA

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