Abstract: Sixth-generation (6G) mobile communication networks are expected to have dense infrastructures, large antenna size, wide bandwidth, cost-effective hardware, diversified positioning methods, ...

Abstract: Synthetic Aperture Radar (SAR) has been widely used for Earth remote sensing for more than 30 years. It provides high-resolution, day-and-night and weather-independent images for a multitude ...

Money transfer apps, also known as mobile payment and peer-to-peer (P2P) apps, marry convenience and security by allowing users to digitally send money to friends, make contactless payments, and shop ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. miljko / Getty Images Outstanding checks are payments that have been issued but not yet ...