Abstract:A method based on beam tracking in an underwater acoustic (UWA) time-varying channel was proposed to improve the performance of UWA spread spectrum communication systems using arrays. In the ocean, the acoustic signal reaches the receiver through various paths, and the signal on each path has its own propagation delay and incidence angle. To effectively use the time and space characteristics of the received signal in a typical timevarying or all types of UWA channels of mobile communication scenarios, the mult… Show more
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