High-Sensitivity Wireless Displacement Sensing Enabled by PT-Symmetric Telemetry Hajizadegan, Mehdi ; Sakhdari, Maryam ; Liao, Shaolin ; Chen, Pai-Yen Abstract Publication: IEEE Transactions on Antennas and Propagation Pub Date: May 2019 DOI: 10.1109/TAP.2019.2905892 Bibcode: 2019ITAP...67.3445H