Abstract: The high isolation massive antenna arrays are the key devices in the base station of the future wireless communication systems. The challenge for the array application is how to reduce the ...

Multibeam antenna systems employ arrays of radiating elements and tailored beamforming networks to generate several simultaneous beams, thereby enhancing spectral efficiency, coverage and link ...

Abstract: Flexible ultrasound transducers (FUTs), capable of conforming to irregular surfaces, have become a research hotspot in the field of medical imaging. With these transducers, high-quality ...

LONDON, April 28 (Reuters) - OPEC and its allies will lose some of their power over the oil market when the United Arab Emirates leaves the group on May 1, but the rest of the producer alliance is ...