Page 22 - Antennas for Base Stations in Wireless Communications

Introduction xxi

Antenna Component
Array

Control Sub-system

RF circuits
Processing Mechanical structures System
Electrical circuits

Control
&
Processing

Signal processing

Figure 2 Antenna technology: RF radiator, controlling subsystem, and
signal processing

and monographs. 1,6–11 This book will focus on antenna technologies
for base stations in modern mobile wireless communication systems,
including the most popular applications in WPAN (UWB and RFID),
WLAN (Bluetooth and WiFi), WMAN (WiMAX), WWAN (cellular phones
such as GSM, CDMA, and WCDMA), and so on. The discussion will
cover all aspects of antenna technologies, from antenna element design
to antenna design in systems. Key design considerations and practical
engineering issues will be highlighted in the following chapters, all
written by highly experienced researchers, issues not readily found in
other existing technical literature. The contributors are from industry,
research institutes, and universities; all of them, in addition to ample
engineering experience, have worked for years in the research, develop-
ment, and application of antennas in wireless communications.

Chapter 1
Chapter 1 defines antenna parameters and their fundamentals. Unlike
other books, we concentrate on the practical aspects of antennas and
the measurement techniques for different parameters such as input
impedance and radiation patterns. Measurements in far-field and near-
field ranges are addressed. Techniques for characterization of linearly
and circularly polarized antennas are also described. One important
parameter, which is usually not discussed in most antenna books, is
the intermodulation distortion of the antenna, which is considered here.
This chapter will be well received by antenna engineers.