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Chapter One
Introduction to Ultra Wideband
HÜSEYIN ARSLAN and MARIA-GABRIELLA DI BENEDETTO
1.1 INTRODUCTION
Wireless communication systems have evolved substantially over the last two
decades. The explosive growth of the wireless communication market is expected
to continue in the future, as the demand for all types of wireless services is increasing.
New generations of wireless mobile radio systems aim to provide flexible data
rates (including high, medium, and low data rates) and a wide variety of applications
(like video, data, ranging, etc.) to the mobile users while serving as many users as
possible. This goal, however, must be achieved under the constraint of the limited
available resources like spectrum and power. As more and more devices go wireless,
future technologies will face spectral crowding, and coexistence of wireless devices
will be a major issue. Therefore, considering the limited bandwidth availability,
accommodating the demand for higher capacity and data rates is a challenging
task, requiring innovative technologies that can coexist with devices operating at
various frequency bands.
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