3 Antennae

3.1 Introduction

In wireless communications, the antenna is commonly known as an aerial, a transducer converting electrical energy into radiation energy and designed to transmit or receive electromagnetic (EM) waves. TV antennae or mobile antennae are designed specifically for reception of broadcast television signals or transmitting, propagating, and receiving of mobile signals that can be in either analog or digital form.

In practice the antennae need to be installed in a place that is sufficiently high for telecommunications and broadcasting, commonly known as antennae towers. There are a number of basic antenna structures, such as the dipole antenna, which is a simple structure constructed by two straight wires in opposite phase ...

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