{'fraction_non_alphanumeric': 0.022941970310391364, 'fraction_numerical': 0.005398110661268556, 'mean_word_length': 5.081967213114754, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Experimental characterization of the underframe area of a passenger train with an UWB channel sounder: preliminary results

In this paper we present a testbed for Ultra-Wide Band (UWB) measurements of the radio channel plus some early results taken on a very singular scenario: the underframe area of a passenger train. This area is heavily populated with heavy mechanical elements key for the safe movement of the train (axles, wheels, brakes, suspensions, etc.) which are prone to the installation of sensors in order to know the condition of these mechanical elements. The channel sounder is based on a commercial module (Decawave DWM1001) intended for indoor location but with some tinkering could be used to obtain channel measurements.