Cambridge University Press, Aug 13, 1998 - Technology & Engineering - 451 pages
Multiuser Detection provides the first comprehensive treatment of the subject of multiuser digital communications. Multiuser detection deals with demodulation of the mutually interfering digital streams of information that occur in areas such as wireless communications, high-speed data transmission, satellite communication, digital television, and magnetic recording. The development of multiuser detection techniques is one of the most important recent advances in communications technology, and this self-contained book gives a comprehensive coverage of the design and analysis of receivers for multiaccess channels, while focusing on fundamental models and algorithms. The author begins with a review of multiaccess communications, dealing in particular with code division multiple access (CDMA) channels. Background material on hypothesis testing and the effect of multiuser interference on single-user receivers are discussed next. This is followed by the design and analysis of optimum and linear multiuser detectors. Also covered in detail are topics such as decision-driven multiuser detection and noncoherent multiuser detection. The elements of multiuser detection are clearly and systematically presented along with more advanced recent results, some of which are published here for the first time. The extensive set of references and bibliographical notes offer a comprehensive account of the state of the art in the subject. The only prerequisites assumed are undergraduate-level probability, linear algebra, and introductory digital communications. The book contains over 300 exercises and is a suitable textbook for practicing engineers, as well as a valuable reference volume for researchers in communications and signal processing.
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Aazhang achieve adaptive algorithm analysis Assume asymptotic efficiency asymptotic multiuser efficiency background noise bandwidth binary CDMA systems chip waveforms complexity components compute Conf Consider converges covariance matrix crosscorrelation matrix decision regions decision-feedback detector decorrelating detector demodulation denoted desired user detection direct-sequence spread-spectrum distribution DS-CDMA energy equal equiprobable fcth user Figure frequency function IEEE IEEE Int IEEE Trans independent Information Theory interfering intersymbol interference jointly optimum linear multiuser detector linear transformation lower bound matched filter outputs maximizes maximum-likelihood mean-square minimizes minimum bit-error-rate MMSE detector modulation Moore-Penrose generalized inverse multipath multiple-access multiuser detector noncoherent number of users observations obtain optimal optimum detector optimum multiuser optimum near-far resistance orthogonal probability of error PROBLEM Proc Proposition random variable Rayleigh fading received amplitudes Section Show Signal Processing signal-to-noise ratio signature waveforms single-user matched filter spectrum spread-spectrum successive cancellation sufficient statistic synchronous channel synchronous users TDMA upper bound Varanasi variance Verdii Verdu
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