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Sounding and modeling of the indoor aerial acoustic transmission channel

The authors verify that the indoor aerial acoustic transmission channel regarding small‐scale application environments, for example, a car cabin, is a quasi‐wide sense stationary uncorrelated scattering (QWSSUS) channel like radio channels. To the best knowledge of the authors, the QWSSUS feature of the indoor aerial acoustic transmission channel has never been evaluated before. Setting out from the QWSSUS concept, the channel modeling by means of correlation functions is proposed. Also, parameter sets that can be used in channel simulations are suggested.