A Software-Defined Channel Sounder for Industrial Environments with Fast Time Variance Fliedner, Niels Hendrik Block, Dimitri Meier, Uwe Correlation Wireless communication Real-time systems Logic gates Frequency measurement Libraries Time measurement ddc:620 Novel industrial wireless applications require wideband, real-time channel characterization due to complex multipath propagation. Rapid machine motion leads to fast time variance of the channel's reflective behavior, which must be captured for radio channel characterization. Additionally, inhomogeneous radio channels demand highly flexible measurements. Existing approaches for radio channel measurements either lack flexibility or wide-band, real-time performance with fast time variance. In this paper, we propose a correlative channel sounding approach utilizing a software-defined architecture. The approach enables real-time, wide-band measurements with fast time variance immune to active interference. The desired performance is validated with a demanding industrial application example. 2018 info:eu-repo/semantics/preprint doc-type:preprint text http://purl.org/coar/resource_type/c_816b https://www.th-owl.de/elsa/record/2372 https://www.th-owl.de/elsa/download/2372/2373 Fliedner NH, Block D, Meier U. A Software-Defined Channel Sounder for Industrial Environments with Fast  Time Variance. <i>arXiv:180501236</i>. 2018. eng info:eu-repo/semantics/openAccess