Abstract
Wide-sense stationary and uncorrelated scattering (WSSUS) assumptions are often applied for the statistical description of wireless communication channels. However, in the case of underwater acoustic channels the WSSUS model is of limited value. The degree of similarity of in-phase and quadrature components of the channel impulse response, measured with the use of bandpass modulated signals, can be used as an indicator of WSSUS assumption fulfillment. The paper describes an experimental method that uses quadrature Pseudo-Random Binary Sequence to evaluate the validity of the WSSUS assumption. The technique was developed by analyzing the shallow water experiment in the Bornholm Basin of the Baltic Sea.
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