Basic Components of Cellular Systems

Nancy B. Alston

1. Introduction There are various cellular systems in the world, such as the GSM and CDMA. The design of these cellular systems are complicated but the architecture of most cellular systems can be broken down into six basic components. In this article, I will illustrate the six basic components that […]

Working of an HVAC System

Nancy B. Alston

HVAC is meant for heating, ventilation and air conditioning. The goal of HVAC is to control the temperature of air inside the assigned “Air conditioned” space as well as control of moisture, filtration of air and supply of outside natural air for control of oxygen and carbon dioxide levels noticeable […]