Ch 13Modern Communication Systems — 2nd PUC Electronics, concept-first.

Modern communication systems are all around us — the phone in your pocket, the Wi-Fi at home, the glass fibres that carry the internet, and the satellites that relay television and long-distance calls…

A cellular mobile telephone system is one that lets a user link into the ordinary (standard) telephone network and place a call to almost any part of the world, all while on the move.

This section groups five closely related communication technologies — the Internet, Wi-Fi, Bluetooth, optical-fibre communication and satellite communication — each treated under its own heading below…

RADAR stands for Radio Detection And Ranging. It is a system used to detect and find the exact location of a distant object — called the target in radar terminology — or to determine the target's velo…

- A cellular mobile telephone system links a mobile user into the standard telephone network. Early analog AMPS has been replaced by digital 2G/2.5G/3G/4G systems, which use the spectrum more efficien…