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The digital communication industry is an enormous and rapidly growing industry, roughly com-parable in size to the computer industry. The objective of this text is to study those aspects of digital communication systems that are unique to those systems. That is, rather than focus-
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- c ð DK Þ CN CX ðt1; t2Þ C(z) CovðNjNkÞ
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would be helpful. Readers should also be familiar with linear system analysis. A knowledge of analog communication is helpful but not required. For readers who do not have the patience to go through all the design techniques but would appreciate the beauty of the underlying principles, we recommend our favorite book, Principles of Digital Communica...
c ci c(t) cðtÞ cIðtÞ cQðtÞ cðxjHiÞ Di squared Frobenius norm of matrix A conjugate and transpose of a matrix A number of paths of Hamming weight d that merge with the all-zero paths effective aperture area of the receiver antenna intersection of set A and set B, A and B union of set A and set B, A or B Gaussian filter parameter correction factor in...
carrier frequency Doppler spread instantaneous carrier frequency of FH instantaneous local carrier frequency of a frequency synthesizer maximum Doppler shift sampling frequency density function of X density function of vector X amplifier gain, gain of a two-port network generator matrix, space-time block code matrix TCM asymptotic coding gain gain ...
h h ^h hi; hðiÞ ~ hðiÞ hLðtÞ h(n) hR hypothesis transfer function or frequency response transfer function of the front-end filter of the receiver magnitude response (amplitude response) transfer function of transmit filter transfer function of receive filter N-point DFT of the sequence h(n) entropy of the discrete random variable (discrete source) ...
transmit antenna height impulse response differential entropy of a continuous random variable X conditional differential entropy of a continuous random variable X differential entropy of a continuous n-dimensional random vector X monic binary irreducible primitive polynomial, PN code polynomial interference power, photodiode current interchannel in...
arithmetic mean of 1=Xðf Þ geometric mean of X(f ) metric for OFDM timing synchronization message signal message sent by the bit node i to check node j at the lth iteration message sent by the check node j to bit node i at the lth iteration sum of the squares of the means mean value of the random process x(t) noise variable, available noise power, ...
syndrome vector, orthogonal covering symbol signum function sign of x digital signal set of M digital signals, i = 1, 2, . . . , M set of M signal vectors in the signal space, i = 1, 2, . . . , M norm of signal vector si coefficients of the Gram–Schmidt orthogonal expansion, I–Q values of a two-dimensional signal vector time samples of an OFDM sign...
transfer function of the composite channel in optimum MSE-LE value assumed by a random variable X value assumed by a random vector X c x b integer part of x xðnÞ x(t) xIðtÞ fxkðtÞg fxkg xLðtÞ xpðtÞ xQðtÞ xsðtÞ xTðtÞ Y(k) y(n) y(t) Z Z(k)
double sideband–amplitude modulation direct sequence direct sequence–code shift keying direct sequence–phase shift keying direct sequence spread spectrum discrete-time Fourier transform equal gain combining effective isotropic radiated power electronic serial number extended total access cellular system Federal Communications Commission frequency d...
SPA TCM TDMA TIA/EIA USB USDC VCO WCDMA WLAN WMAN WSCS WSS ZF-DFE ZF-LE
pseudo-noise phase shift keying (binary phase shift keying) public switched telephone network quadrature phase shift keying Reed–Solomon code selection combining station class mark slow frequency hop single-input multiple-output signal-to-interference and noise ratio path signal-to-interference-and-noise ratio output signal-to-interference plus noi...
what is the basic material that an undergraduate student with an interest in communications should learn, in order to be well prepared for either industry or graduate school? For example, a number of institutions only teach digital communication, assuming that analog communication is dead or dying. Is that the right approach?
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Digital communication systems, by definition, are communication systems that use such a digital 1 sequence as an interface between the source and the channel input (and similarly between the channel output and final destination) (see Figure 1.1).
Introduction to Digital Communication Systems. Tongtong Li Department of ECE Michigan State University. Outline. Components of a communication system. Digital vs. analog communications. SNR, bandwidth and channel capacity. Purpose of this course – Building a digital communications system. Communication System (1) Figure 1: Communication Systems.
Introduction to digital communication. Communication has been one of the deepest needs of the human race throughout recorded history. It is essential to forming social unions, to educating the young, and to expressing a myriad of emotions and needs. Good communication is central to a civilized society.
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This textbook presents the fundamental concepts underlying the design of modern digital communication systems, which include the wireline, wire-less, and storage systems that pervade our everyday lives.
