Fifth Generation (5G) wireless cellular networks promise performance that will meet every mobile user’s need, including reliable voice service, fast data, and steady video links. But such achievements will not come overnight, and they will call for a 5G network infrastructure with more cell sites…
Analog frequencies and digital data rates are increasing steadily in electronic circuits and systems, requiring careful choices of circuit materials for printed circuit boards (PCBs). Cellular communications technologies grew by means of RF and microwave signal frequencies, but Fifth Generation (5G) cellular wireless networks are…
Thousands of satellites surround the Earth in their own orbital slots and even their own constellations, at distinct altitudes. They help communicate with distant places, track weather, and, with the Global Positioning System (GPS), find distant places here on Earth. Closest to Earth,…