Orthogonal frequency-division multiplexing (OFDM) is a method of
digital modulation in which a signal is split into several
narrowband channels at different frequencies.
CDMA is a form of multiplexing, which allows numerous signals to
occupy a single transmission channel, optimising the use of
available bandwidth. Multiplexing is sending multiple signals or
streams of information on a carrier at the same time in the form of
a single, complex signal and then recovering the separate signals
at the receiving end.
Multi-Carrier (MC) CDMA is a combined technique of Direct
Sequence (DS) CDMA (Code Division Multiple Access) and OFDM
techniques. It applies spreading sequences in the frequency
domain.
Wireless communications has witnessed a tremendous growth during
the past decade and further spectacular enabling technology
advances are expected in an effort to render ubiquitous wireless
connectivity a reality.
This technical in-depth book is unique in its detailed exposure
of OFDM, MIMO-OFDM and MC-CDMA. A further attraction of the joint
treatment of these topics is that it allows the reader to view
their design trade-offs in a comparative context.
Divided into three main parts:
Part I provides a detailed exposure of OFDM designed for
employment in various applications
Part II is another design alternative applicable in the context
of OFDM systems where the channel quality fluctuations observed are
averaged out with the aid of frequency-domain spreading codes,
which leads to the concept of MC-CDMA
Part III discusses how to employ multiple antennas at the base
station for the sake of supporting multiple users in the
uplinkPortrays the entire body of knowledge currently available on
OFDMProvides the first complete treatment of OFDM, MIMO(Multiple
Input Multiple Output)-OFDM and MC-CDMAConsiders the benefits of
channel coding and space time coding in the context of various
application examples and features numerous complete system design
examplesConverts the lessons of Shannon's information theory into
design principles applicable to practical wireless systemsCombines
the benefits of a textbook with a research monograph where the
depth of discussions progressively increase throughout the book
This all-encompassing self-contained treatment will appeal to
researchers, postgraduate students and academics, practising
research and development engineers working for wireless
communications and computer networking companies and senior
undergraduate students and technical managers.
General
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