Abstract: Extremely large-scale antenna array (ELAA) technologies consisting of ultra-massive multiple-input-multiple-output (UM-MIMO) or reconfigurable intelligent surfaces (RISs), are emerging to ...

Premier Wab Kinew, along with the vast majority of premiers across the country, has banned the sale of American alcohol in stores across the province. When Kinew announced his decision in February, he ...

Abstract: In this letter, a novel covert communication strategy that utilizes a time modulated retrodirective array (TMRDA) is proposed to enhance communication covertness. Typically, beamforming (BF) ...

Anthropic, the AI safety startup behind the Claude chatbot, has quietly redrawn its privacy boundaries. Starting this month, all consumer users of Claude from the free tier to premium subscriptions ...