C.-C. Jay Kuo · Shang-Ho Tsai · Layla Tadjpour · Yu-Hao Chang
Precoding Techniques for Digital Communication Systems
C.-C. Jay Kuo Department of Electrical Engineering EEB 440 Hughes Aircraft Electrical Engineering Building 3740 McClintock Ave. Los Angeles, CA 90089 Shang-Ho Tsai Department of Electrical Engineering R734 E5 Building National Chiao Tung University Taiwan, R.O.C.
Layla Tadjpour 908 N. Verdugo Rd. Glendale, CA 91206
Yu-Hao Chang 1 Dusing Rd. Hsinchu Science Park Hsin-Chu Taiwan, 30078, R.O.C.
ISBN: 978-0-387-71768-5 DOI: 10.1007/978-0-387-71769-2
Library of Congress Control Number: 2008926091
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During the past two decades, many communication techniques have been developed to achieve various goals such as higher data rate, more robust link quality, and more user capacity in more rigorous channel conditions. The most well known are, for instance, CDMA, OFDM, MIMO, multiuser OFDM, and UWB systems. All these systems have their own unique superiority while they also induce other drawbacks that limit the system performance. Conventional way to overcome the drawback is to impose most of the computational eﬀort in the receiver side and let the transmitter design much simpler than receiver. The fact is that, however, by leveraging reasonable computational eﬀort to the transmitter, the receiver design can be greatly simpliﬁed. For instance, multiaccess interference (MAI) has long been considered to limit the performance of multiuser systems. Popular solutions to mitigate MAI issue include multiuser detection (MUD) or sophisticated signal processing for interference cancellation such as PIC or SIC. However, those solutions impose great burden in the receiver. In this case, precoding oﬀer good solutions to achieve simple transceiver designs as we will mention later in this book. This book is intended to provide a comprehensive review of precoding techniques for digital communications systems from a signal processing perspective. The variety of selected precoding techniques and their applications makes this book quite diﬀerent from other texts about precoding techniques in digital communication engineering. In the ﬁrst part of the book, we overview the principles of precoding for channels with intersymbol interference (ISI) such as Tomlinson–Harashima precoding and Trellis precoding. We also introduce how the widely used OFDM systems can be treated as a special case of precoding techniques and introduce precoding schemes for OFDM systems. Furthermore, it is well known that the performance of code division multiple access (CDMA) systems is limited by the MAI. As the number of users increases, a light weight receiver may not be able to combat MAI eﬃciently. Thus, we introduce various existing precoding techniques that reduce the interference level while keeping the receiver design simple. Finally, we devote a whole chapter to the issue
of precoding for multiple input multiple output (MIMO) channels. In MIMO systems, the use of TH precoding at the transmitter will increase the...