Abstract: The existing works concerning movable antenna (MA) arrays often stipulate a half-wavelength minimum antenna spacing to avoid mutual coupling (MC) between antennas. This letter unveils the ...

Abstract: Safe and reliable control provides a critical guarantee for the stable operation of quadrotor unmanned aerial vehicles (UAVs) in low-altitude scenarios. This article proposed a ...

Demand for CPU and GPU compute as well as main memory and flash memory were already so high that IT spending in 2026 was going to set an all-time historical record. And now, with intense shortages of ...

Shipper spending continues to rise in the first quarter of 2026 as low freight volumes, high diesel prices and tightening capacity brought costs higher, even as demand remained weak. According to the ...