Media type: E-Article Title: Ranging-Free UHF-RFID Robot Positioning Through Phase Measurements of Passive Tags Contributor: Magnago, Valerio; Palopoli, Luigi; Buffi, Alice; Tellini, Bernardo; Motroni, Andrea; Nepa, Paolo; Macii, David; Fontanelli, Daniele imprint: Institute of Electrical and Electronics Engineers (IEEE), 2020 Published in: IEEE Transactions on Instrumentation and Measurement Language: Not determined DOI: 10.1109/tim.2019.2960900 ISSN: 0018-9456; 1557-9662 Keywords: Electrical and Electronic Engineering ; Instrumentation Origination: Footnote: