Baseband Receiver Design for Wireless MIMO-OFDM Communications

The prelims comprise:
Half-Title Page
Title Page
Copyright Page
Dedication Page
Table of Contents
Preface
About the Authors
Acknowledgements
List of Abbreviations and Acronyms View full abstract»

Chapter 1 introduces several important wireless communication standards and their evolutions. Without exception, OFDM or MIMO-OFDM is adopted in those standards, illustrating the importance of OFDM and MIMO technology in wireless communications. View full abstract»

Chapter 2 discusses digital modulation techniques, including both single-carrier modulation and multi-carrier modulation. Basic OFDM processing operations, such as discrete Fourier transform (DFT)/inverse discrete Fourier transform (IDFT), guard interval insertion/removal, guard band reservation, spectrum shaping, and peak-to-average power ratio are all addressed. View full abstract»

Chapter 3 illustrates advance wireless technology. First, the basic concepts of MIMO techniques and their advantages are provided. Multiple access schemes are then discussed. In addition, spread spectrum techniques, from which CDMA is derived, are illustrated. View full abstract»

In Chapter 4, several prevailing error-correcting codes and their decoding strategies are covered. They include block codes, convolutional codes, turbo codes, and low-density parity-check (LDPC) codes. This chapter also presents soft-input soft-output iterative decoding. View full abstract»

Chapter 5 first discusses propagation mechanisms and fading phenomena. Passing through a wireless channel, communication signals suffer from path loss, shadowing effect, and signal dispersion in time, frequency, and spatial domains. Front-end electronic non-idealities are also illustrated. View full abstract»

In Chapter 6, algorithms for synchronizing the phase and frequency of the carrier signal as well as the sampling clock signal in SISO and MIMO-OFDM receivers are the main topic. Then time-domain and frequency-domain compensation approaches are introduced, together with their pros and cons. View full abstract»

Chapter 7 concentrates on the channel estimation tasks in SISO- and MIMO-OFDM receivers. For equalization, though one prominent advantage of OFDM lies in its simple yet effective one-tap equalizer, more and more sophisticated equalization techniques that can further improve system performance are investigated and illustrated. View full abstract»

Chapter 8 focuses on the MIMO signal detection for the spatial multiplexing scheme, space-time block codes, and MIMO precoding techniques. The frequently used MIMO detectors include linear detection, successive interference cancelation, sphere decoding, and convex optimization. The channel state feedback and the precoding techniques that aim to ease the MIMO receiver design are also discussed. View full abstract»

Chapter 9 illustrates architectures and circuits that are widely used in OFDM systems, including fast Fourier transform (FFT) processors, delay buffers, and circuits for rectangular-to-polar conversion and for polar-to-rectangular conversion. View full abstract»

Chapter 10 provides two essential MIMO IC designs. First, a QR decomposition module that offers the capability of either channel pre-processing or linear MIMO detection is illustrated. The second example is a soft-output MIMO detector supporting antenna configuration from 2 Ã? 2 to 8 Ã? 8. View full abstract»

Chapter 11 presents a complete MIMO-OFDM baseband modem SoC compliant with the IEEE 802.16e WiMAX standard. It integrates synchronization, channel estimation, MIMO detection, channel decoding blocks, as well as Medium Access Control layer firmware, and shows how the algorithms and circuits introduced throughout the book can be applied in a real-life design. View full abstract»

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