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introduction to wireless digital communication a signal processing perspective pdf introduction to wireless digital communication a signal processing perspective introduction to wireless digital communication pdf introduction to wireless digital communication

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Language English
Pages 687
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Introduction to Wireless Digital Communication

Introduction to Wireless Digital Communication A Sign Processing Perspective by Robert W. Heath, Jr. PDF Free Download.

Author of Introduction to Wireless Digital Communication

Robert W. Heath, Jr., acquired B.S. and M.S. levels from The College of Virginia in 1996 and 1997, respectively, and a Ph.D. from Stanford College in 2002, all in electrical engineering.

From 1998 to 2001, he was a senior member of the technical employees then a senior guide at Iospan Wireless, Inc., the place he labored on the design and implementation of the bodily and hyperlink layers of the primary industrial MIMO-OFDM communication system.

Since 2002, he has been with the Division of Electrical and Laptop Engineering at The College of Texas Austin the place he’s Cullen Belief for Greater Training Endowed Professor #6. He’s additionally president and CEO of MIMO Wireless Inc.

His analysis pursuits embody a number of elements of wi-fi communication and sign processing— 5G mobile methods, MIMO communication, millimeter-wave communication, adaptive video transmission, and manifold sign processing in addition to functions of wi-fi communication to automotive, aerial automobiles, and wearable networks.

He’s a co-author of the guide Millimeter Wave Wireless Communications (Prentice Corridor, 2015) and creator of Digital Wireless Communication: Bodily Layer Exploration Lab Utilizing the NI USRP (Nationwide Know-how and Science Press, 2012).

Dr. Heath is a co-author of a number of best-paper award recipients, together with most lately the 2010 and 2013 EURASIP Journal on Wireless Communications and Networking best-paper awards, the 2012 Sign Processing Journal finest paper award

A 2013 Sign Processing Society best-paper award, 2014 EURASIP Journal on Advances in Sign Processing best-paper award, the 2014 Journal of Communications and Networks best-paper award, the 2016 IEEE Communications Society Fred W. Ellersick Prize, and the 2016 IEEE Communications and Info Concept Societies Joint Paper Award.

He was a distinguished lecturer within the IEEE Sign Processing Society and is an ISI Extremely Cited Researcher.

He’s additionally an elected member of the Board of Governors for the IEEE Sign Processing Society, a licensed newbie radio operator, a personal pilot, a registered skilled engineer in Texas, and a fellow of the IEEE.

Wireless Digital Communication Contents

  • Introduction
  • An Overview of Digital Communication
  • Sign Processing Fundamentals
  • Digital Modulation and Demodulation
  • Coping with Impairments
  • MIMO Communication

Preface to Wireless Digital Communication PDF

I wrote this guide to make the rules of wi-fi communication extra accessible. Wireless communication is the dominant technique of Web entry for most individuals, and it has develop into the means by which our units join to the Web and to one another.

Regardless of the ubiquity of wi-fi, the rules of wi-fi communication have remained out of attain for a lot of engineers.

The primary cause appears to be that the technical ideas of wi-fi communication are constructed on the foundations of digital communication. Sadly, digital communication is often studied on the finish of an undergraduate program in electrical engineering, leaving no room for a course on wi-fi communication.

As well as, this places wi-fi communication out of attain for college students in associated areas like pc science or aerospace engineering, the place digital communication might not be provided. This guide offers a way to study wi-fi communication along with the basics of digital communication.

The premise of this guide is that wi-fi communication will be discovered with solely a background in digital sign processing (DSP).

The utility of a DSP method stems from the next reality: wi-fi communication alerts (a minimum of ideally) are bandlimited. Thanks to Nyquist’s theorem, it’s attainable to characterize bandlimited continuous-time alerts from their samples in discrete time.

In consequence, discrete-time can be utilized to characterize the continuous-time transmitted and acquired alerts in a wi-fi system. With this connection, channel impairments like multipath fading and noise will be written by way of their discrete-time equivalents, making a mannequin for the acquired sign that’s fully in discrete time.

On this approach, a digital communication system will be seen as a discrete-time system. Many classical sign processing capabilities have a task to play on this discrete-time equal of the digital communication system.

Linear time-invariant methods, that are characterised by convolution with an impulse response, mannequin multipath wi-fi channels. Deconvolution is used to equalize the results of the channel. Upsampling, downsampling, and multi-rate identities discover utility within the environment friendly implementation of pulse shaping on the transmitter and matched filtering on the receiver.

Quick Fourier transforms are the inspiration of two necessary modulation/demodulation strategies: orthogonal frequency-division multiplexing and single-carrier frequency-domain equalization.

Linear estimation and least squares develop into the idea of algorithms for channel estimation (estimating an unknown filter response) and equalization (discovering a deconvolution filter). Algorithms for estimating the parameters of an unknown sinusoid in noise discover utility in provider frequency offset estimation.

In brief, sign processing has at all times been part of communication; leveraging this reality, digital communication will be discovered primarily based on connections to sign to course of. I start this guide with an introduction to wi-fi communication and sign processing in Chapter 1, offering some historic context.

A spotlight of the chapter is the dialogue of various functions of wi-fi communication, together with broadcast radio and tv, mobile communication, native space networking, private space networks, satellite tv for pc methods, advert hoc networks, sensor networks, and even underwater communications.

The evaluate of functions offers context for subsequent examples and homework issues within the guide, which regularly draw on developments in wi-fi native space networks, private space networks, or mobile communication methods.

Within the subsequent two chapters, I set up a elementary background in digital communication and sign processing.

I begin with an outline of the standard block diagram of digital communication methods in Chapter 2, with an evidence of every block on the transmitter and the receiver. Essential capabilities are described, together with supply coding, encryption, channel coding, and modulation, together with a dialogue of the wi-fi channel.

The rest of the chapter focuses on a subset of those capabilities: modulation, demodulation, and the channel.

To supply a correct mathematical background, I present an in depth overview of necessary ideas from sign processing in Chapter 3, together with deterministic and stochastic alerts, passband and multi-rate sign processing, and linear estimation.

This chapter offers instruments which can be used to describe the operations of the digital communication transmitter and receiver kind a sign processing perspective. With the basics at hand, I proceed with a extra thorough remedy of modulation and demodulation in Chapter 4.

As a substitute of contemplating all attainable modulation codecs as could be achieved in a deep-dive remedy, I deal with methods described by complicated pulse-amplitude modulation.

That is normal sufficient to describe most waveforms utilized in industrial wi-fi methods. The demodulation process is derived assuming an additive white Gaussian noise channel, together with pulse shaping, most chance detection, and the chance of image error.

The important thing components of the transmitter and the receiver are described utilizing multirate sign processing ideas. This chapter kinds the idea of a classical introduction to digital communication however with a sign processing aptitude.

The total specialization of the receiver algorithms to the wi-fi surroundings is available in Chapter 5. Particular impairments are described, together with image timing offset, body timing offset, provider frequency offset, and frequency-selective channels.

A number of strategies for mitigation are additionally described, together with algorithms for estimating unknown parameters primarily based on least squares estimation and equalization methods that leverage alternatively the time or frequency area.

I deal with algorithms for coping with impairments within the easiest methods attainable, to set the stage for extra superior algorithms that may be encountered sooner or later.

The chapter concludes with an outline of large- and small-scale channel fashions, and a dialogue about how to characterize the time and frequency selectivity of a channel. The data on this chapter is crucial for the design and implementation of any wi-fi system.

The ultimate chapter, Chapter 6, offers a generalization of the ideas from Chapters 4 and 5 to methods that use a number of transmit and/or a number of obtain antennas, usually referred to as MIMO communication.

On this chapter, I outline completely different MIMO modes of operation and discover them in additional element, together with receiver variety, transmitter variety, and spatial multiplexing.

In essence, a lot of the descriptions in prior channels generalize to the MIMO case with appropriate vector and matrix notation, and extra complexity within the receiver algorithms.

Whereas a lot of the chapter focuses on the flat-fading channel mannequin, some generalizations to frequency-selective channels are offered on the finish.

This chapter offers necessary connections between wi-fi fundamentals and the sorts of communication methods now extensively utilized in industrial wi-fi methods. I developed this guide as a part of a course at The College of Texas at Austin (UT Austin) known as the Wireless Communications Lab, which served each senior undergraduates and new graduate college students.

The lecture portion of the course supplies was primarily based on drafts of this guide. The lab portion makes use of my laboratory guide Digital Wireless Communication: Bodily Layer Exploration Lab Utilizing the NI USRP, revealed by the Nationwide Know-how and Science Press in 2012.

This laboratory guide is bundled with a USRP {hardware} package deal accessible from Nationwide Devices.

Within the lab, college students implement quadrature amplitude modulation and demodulation. They have to cope with a succession of extra refined impairments, together with noise, multipath channels, image timing offset, body timing offset, and provider frequency offset.

The lab offers a approach to see the ideas on this guide in motion on actual wi-fi alerts. For self-study or programs with no laboratory element, I’ve included a number of pc issues that contain simulating key items of the communication hyperlink.

To see the ideas in motion, you possibly can implement the described algorithms over an audio channel utilizing a microphone and speaker. I’ve used this method up to now to prototype a Excessive Frequency Close to Vertical Incidence Skywave wi-fi communication hyperlink, working in newbie radio bands.

This guide could also be utilized in a number of other ways, with or with no laboratory element. In a junior-level undergraduate course, I might cowl Chapters 1 by 5 and spend some further time in the beginning of the mathematical fundamentals. For a senior-level undergraduate course, I might cowl the fabric from the whole guide.

For a graduate course, I might cowl the whole guide with a further implementation or analysis mission. At UT Austin, the course I train for each undergraduates and graduates covers the whole guide and the primary a number of laboratory experiments within the aforementioned lab guide. The graduate college students additionally carry out a mission.

It’s an intense however rewarding course. The textbook is very beneficial as an unbiased research, as a complete evaluate of the basics is offered in Chapters 2 and 3.

I encourage cautious evaluate of the mathematical fundamentals earlier than continuing to the primary content material in Chapters 4 by 6. To digest the fabric, I recommend figuring out all the instance issues with pen and paper, to assist visualize the important thing concepts.

Making an attempt to choose homework issues can also be beneficial. I imagine that this guide will present a superb basis for additional research in wi-fi communications.

As wi-fi communication continues to combine into our lives, there continues to be a relentless evolution of wi-fi applied sciences.

My hope is that this guide affords a recent perspective on wi-fi and acts as a launching level for additional developments to come.

Introduction to Wireless Digital Communication: A Signal Processing Perspective

Author(s): Robert W. Heath Jr.

Publisher: Pearson Education

Year: 2017

ISBN: 2016961387

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