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Orthogonal waveforms and filter banks for future communication systems
Renfors M., Mestre X., Kofidis E., Bader F., ACADEMIC PRESS, San Diego, CA, 2017. 590 pp. Type: Book (978-0-128103-84-5)
Date Reviewed: Aug 12 2019

Filter bank multicarrier (FBMC) signaling policy is the subject of this book. To explain its different features and functionalities in different communication interaction scenarios, the authors present a comprehensive discussion on the fundamental topics of wireless communication. This book offers a nice composition of topics concerned with FBMC, and provides the missing pieces of the puzzle of 5G physical layer topics in the wireless communication research scene.

Part 1 discusses different perspectives of 5G signaling systems, use cases, and application features. It introduces the 5G waveform candidates: universal filtered multicarrier modulation (UFMC), FBMC, generalized frequency division multiplexing (GFDM), and biorthogonal frequency division multiplexing (BFDM) as the probable heir of orthogonal frequency division multiplexing (OFDM). These topics are interwoven with related signaling layouts in well-designed, salient scenarios like gigabit wireless communication, sporadic traffic, and machine type communication. Following this is a discussion of the structure of television white space (TVWS) and its different standards and application scenarios, and the evolution of broadband private mobile radio/public protection and disaster relief services. The last chapter of Part 1 covers FBMC deployment mechanisms in the emerging field of optical communications, which has recently been equipped with digital signal processing (DSP) techniques.

Part 2’s fluent tutorial theme establishes a theoretical foundation for FBMC and includes plenty of significant references. Chapter 5 considers multirate filter banks, sampling, aliasing, and anti-aliasing for real and complex signaling. Other topics discussed in chapter 5 include polyphase filter structures for multirate filtering, decimation, interpolation methods at composite sampling, finite impulse response (FIR) filters for low complexity rate conversion, Nyquist pulse shaping principles for minimizing the utilized bandwidth, time-frequency packing and signal localization principles, and a multirate filter bank modified by a discrete Fourier transform (DFT-FB). Chapter 6 discusses polyphase filter bank techniques applied to channelization, DSP-intensive properties, and the capability of changing sample rate, bandwidth, and surfing among free spectral slots. Its structure, which consists of M-path filters with an inverse fast Fourier transform (IFFT) aligned phase profile, is also described. Chapter 7 discusses the fundamentals of multicarrier waveform ideas and orthogonality coordinates among different wireless communication waveforms. It compares many famous signaling schemes concerned with spectral efficiency, waveform shaping, and localization. Chapter 8 starts with ideas for the effective practical implementation of multicarrier filter banks, with an emphasis on FBMC offset quadrature amplitude modulation (FBMC/OQAM) signaling techniques. Two methods for the design and implementation of an effective filter bank are proposed: continuous time analysis of the responses of prototype filters, and imposing an optimization on low-pass digital filters with increased constraints to guarantee orthogonality among subcarriers.

Part 3 covers fundamental topics in wireless communication, including channel behavior, synchronization, channel estimation, and channel equalization techniques for FBMC. Chapter 9 considers well-shaped prototype pulses and flat frequency response communication channels as prerequisites of performance operation in FBMC/OQAM, as well as the impact of frequency selective channels on FBMC. After describing the elements, functionality, signaling, and structure of a polyphase FBMC transceiver, the chapter investigates ways to estimate the received signal of FBMC/OQAM under frequency-selective channels. The pool of topics covered in chapter 10 includes estimating and remedying the impact of carrier frequency offset (CFO) and symbol timing offset misalignments, and the features of various synchronization algorithms with different training properties, including preamble training sequences and scattered pilots, blind synchronization surveying, and unsynchronized multi-user coexisting features. Chapter 11 provides a survey of FBMC/OQAM estimation techniques and includes excellent references. System modeling for synthesis filter banks (SFB), preamble-based channels, and scattered pilot-based channel estimation are discussed, and channels with low and high frequency selectivity scenarios in them are described in detail. Chapter 12 offers solutions to the main problem areas in the equalization of FBMC/OQAM: equalization in wireless communication (the most sensitive component for signal-to-symbol mapping), the influence of multipath propagation, intersymbol interference (ISI), interchannel interference, latency, frequency and timing offset impairments, and peak-to-average power ratio.

Part 4 embraces topics concerned with advanced wireless techniques and FBMC: multiple input, multiple output (MIMO) transceivers and receivers, space-time coding, and multi-user physical media access control (PHY-MAC) interaction. MIMO-FBMC is the subject of chapter 13. Despite spatial multiplexing and an additional degree of freedom in MIMO, an increased distortion effect of “intrinsic interference” can be witnessed in the FBMC platform. An investigation into these issues, in low, mild, and strong channel selectivity scenarios with analytic math modeling, is discussed. The channel estimation and equalization techniques that are complicated in FBMC/OQAM would be intensified in the MIMO version. This matter causes plenty of challenges to the receiver design, which chapter 14 addresses. It discusses channel estimation by reviewing the ideas concerned with preamble, scattered pilot, and blind estimation techniques. Chapter 15 discusses solutions to the inefficiencies of Alamouti code when using space–time block coding (STBC) in FBMC/OQAM. After a brief discussion of this method, other techniques are addressed. Chapter 16 discusses intrinsic interference alleviation, coordinated beamforming, and preamble-based and signal-to-noise ratio (SNR)-based multi-user channel estimation. Chapter 17 introduces system-level simulation for FBMC cellular network performance evaluation and radio network management in studying direct transmissions between user device and device-to-device (D2D) communication, and multiple asynchronous transmissions toward a receiving node. The chapter also discusses “PHY-MAC cross-layer optimization in D2D transmissions” and “radio resource overhead for compensating multi-user synchronization errors.”

To put the above ideas into practice, Part 5 describes implementing the discussed techniques for the next generation of wireless communication. Chapter 18 discusses high peak-to-average power ratio (PAPR) and its destructive effect in multicarrier systems, especially FBMC. Chapter 19 describes a reversion to TVWS. A frequency sampling FBMC technique is introduced for the physical implementation of TVWS, and its features, complexity analysis, and provided transceiver architecture are discussed. The last chapter explains the technical issues involved in signaling, framing, and systems specifications in baseband design and broadband transmitters for FBMC, along with a software-defined radio implementation approach, real-time applications, and multi-antenna scenarios.

The book is an encyclopedia of FBMC. A nice harmony of topics can be recognized in the sequence of its contents, supported by a thorough tutorial layout and comprehensive referencing.

Reviewer:  Mohammad Sadegh Kayhani Pirdehi Review #: CR146649 (1910-0355)
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