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The paper describes the experimental set-up and presents some results of a channel impulse response measurement campaign. The measurements were performed in the frequency domain, in the 40 GHz band, and the channel impulse response was obtained applying spectral analysis. A wide indoor sports pavilion was selected for the experiments, considering several static discrete positions for the mobile terminal, therefore allowing the propagation channel to be characterised in different cell coverage regions. From the channel impulse response, power and time dispersion parameters were calculated and analysed. Furthermore, the channel coherence bandwidth was estimated both from direct frequency measurements and from the delay spread estimations; the results were analysed.