Abstract: A novel near-field (NF) radio sensing antenna array design framework is proposed, where the circular antenna arrays are exploited to be compatible with the propagation of the spherical ...

Abstract: This paper models the line-of-sight (LOS) channel between two continuous circular antennas (CCAs) as a bounded linear normal operator whose kernel is defined by a deployment parameter: the ...

Global Navigation Satellite Systems (GNSS), including GPS, GLONASS, Galileo, and BeiDou, have become indispensable for a wide range of applications such as navigation, surveying, and timing ...

Solar-powered microgrids have progressed from generators of electricity in isolated, off-grid locations to key infrastructure for delivering economic and resilient power. The widespread availability ...

Bitcoin (BTC-USD) miners are increasingly pivoting to artificial intelligence data centers, as declining profitability from events like last year's halving have prompted Cipher Mining (CIFR), HIVE ...

WASHINGTON, September 30, 2025 — The World Bank’s Board of Executive Directors approved a new multi-phase 10-year program to support Peru in strengthening wastewater management, advancing a circular ...

The world's largest goods and raw materials producer, China, has a commensurately large energy demand footprint, is the top global consumer of power and electricity, and is also the world's largest ...

A teenager accused of brutally murdering his mother's boyfriend allegedly gave a gory confession to police in which he shared his plans to dispose of the body. Damien Hurstel, 19, was reportedly calm ...

The Environmental Protection Agency (EPA) is looking to roll back regulatory standards for three types of per- and polyfluoroalkyl substances, also known as PFAS chemicals, in drinking water systems.