ACTIVE PHASED ARRAY ANTENNA WITH PARALLEL FEEDER EXCITATION AT 3.7 GHZ
Journal: Advances in Electrical and Electronic Engineering
Year: 2024

The Earth's population has grown from a hyperbolic rate to a slower one, reaching 8.04 billion in 2023. The growth rate has dropped from 2% to 0.84% per year, due to lower birthrates, COVID-19, urbanization and income levels. The number of elderly people has surpassed the number of young children. The text discusses how the increasing and aging population requires better health care and diagnosis, which can be achieved by using modern technologies like the Internet of Things, smart city, and 5G.