Abstract: In this letter, a radio frequency identification (RFID) near-field focused polling antenna array working with insensitive polarization 1-bit reflectarray is proposed for semi-open metal ...

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Abstract: The ability of modern telecommunication systems to locate users and objects in the radio environment raises justified privacy concerns. To prevent unauthorized localization, singleantenna ...

Your guide to what Trump’s second term means for Washington, business and the world The writer is a senior fellow at the Carnegie Russia Eurasia Center. Before March 2022 he was head of strategy and ...