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Asymptotic analysis of the MMSE multiuser detector for nonorthogonal multipulse modulation

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dc.contributor.authorScharf, Louis L., author
dc.contributor.authorMcCloud, Michael L., author
dc.contributor.authorIEEE, publisher
dc.date.accessioned2007-01-03T04:26:10Z
dc.date.available2007-01-03T04:26:10Z
dc.date.issued2001
dc.description.abstractWe develop the minimum mean-squared-error (MMSE) multiuser detector for nonorthogonal multipulse modulation over the noncoherent additive white Gaussian noise channel. We analyze the asymptotic performance of the detector and show that, unlike the case of linear modulation, the MMSE detector does not generally approach the generalized maximum-likelihood (GML) detection rule as the noise power vanishes. It does, however, approach a detector which nulls out the multiaccess interference. This detector is termed the multipulse decorrelating detector due to its similarity to the linear decorrelating detector. The probability of error for this detector is derived and used to find the asymptotic multiuser efficiencies of both the multipulse decorrelating detector and the MMSE detector. It is shown that for noncoherent binary signaling, in which the multipulse modulation is two-dimensional, the multipulse decorrelating detector is superior to the GML detector asymptotically. This result does not generalize to larger dimensionality signal sets.
dc.description.sponsorshipThis work was supported by the National Science Foundation under Contract ECS 9979400 and by the Office of Naval Research under Contract N00014-00-0033.
dc.format.mediumborn digital
dc.format.mediumarticles
dc.identifier.bibliographicCitationMcCloud, Michael L. and Louis L. Scharf, Asymptotic Analysis of the MMSE Multiuser Detector for Nonorthogonal Multipulse Modulation, IEEE Transactions on Communications 49, no. 1 (January 2001): 24-30.
dc.identifier.urihttp://hdl.handle.net/10217/754
dc.languageEnglish
dc.language.isoeng
dc.publisherColorado State University. Libraries
dc.relation.ispartofFaculty Publications
dc.rights©2001 IEEE.
dc.rightsCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.
dc.subjectmultiuser detection
dc.subjectminimum mean squared error detection
dc.subjectmultipulse modulation
dc.subjectcode-division multiple access
dc.subjectnoncoherent detection
dc.titleAsymptotic analysis of the MMSE multiuser detector for nonorthogonal multipulse modulation
dc.typeText

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