Agents use facial recognition, social media monitoring and other tech tools not only to identify undocumented immigrants but also to track protesters, current and former officials said. By Sheera ...

Abstract: A novel decoupling method using coupling stubs is presented to design a wideband 8 × 8 multiple-input–multiple-output (MIMO) array. The array element consists of two tightly coupled printed ...

Abstract: This paper presents an optimization approach for static antenna array thinning using a genetic algorithm (GA). The goal is to reduce hardware complexity while maintaining a radiation pattern ...