Inspec keywords: sensors; smart phones; reliability; electric motors; road vehicles; velocity measurement

Other keywords: raw smartphone acceleration data; vehicle speed data collection; Global Positioning System applications; cost-effective ubiquitous method; vehicle speed estimation method; longitudinal motor vehicle speed estimation; post-processing pipeline; vehicular emission modelling; data collection method

Subjects: Velocity, acceleration and rotation measurement; Velocity, acceleration and rotation measurement; Mobile radio systems; Sensing devices and transducers; Sensing and detecting devices; Reliability