A constrained block iterative algorithm for multiple-access interference suppression

John F. Doherty; Yu Tsun Hsieh

doi:10.1006/dspr.2001.0411

A constrained block iterative algorithm for multiple-access interference suppression

John F. Doherty, Yu Tsun Hsieh

Electrical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

An interference suppression scheme using a block iterative, row-action projection (RAP) algorithm for direct-sequence spread-spectrum (DS/SS) code-division multiple-access (CDMA) systems is presented. The performance results for the near-far multiple-access interference scenario using the RAP algorithm are compared with a normalized least mean square (NLMS) algorithm. It is shown that the CDMA receiver employing the RAP algorithm has a faster convergence rate and a lower steady-state bit error rate compared to the receiver employing the NLMS algorithm.

Original language	English (US)
Pages (from-to)	12-20
Number of pages	9
Journal	Digital Signal Processing: A Review Journal
Volume	12
Issue number	1
DOIs	https://doi.org/10.1006/dspr.2001.0411
State	Published - Jan 2002

All Science Journal Classification (ASJC) codes

Signal Processing
Computer Vision and Pattern Recognition
Statistics, Probability and Uncertainty
Computational Theory and Mathematics
Electrical and Electronic Engineering
Artificial Intelligence
Applied Mathematics

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10.1006/dspr.2001.0411

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title = "A constrained block iterative algorithm for multiple-access interference suppression",

abstract = "An interference suppression scheme using a block iterative, row-action projection (RAP) algorithm for direct-sequence spread-spectrum (DS/SS) code-division multiple-access (CDMA) systems is presented. The performance results for the near-far multiple-access interference scenario using the RAP algorithm are compared with a normalized least mean square (NLMS) algorithm. It is shown that the CDMA receiver employing the RAP algorithm has a faster convergence rate and a lower steady-state bit error rate compared to the receiver employing the NLMS algorithm.",

author = "Doherty, \{John F.\} and Hsieh, \{Yu Tsun\}",

note = "Funding Information: 1This material is based upon work supported by, or in part by, the U.S. Army under Contract/Grant DAAG55-97-0389. 2To whom correspondence should be addressed. E-mail: [email protected].",

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N2 - An interference suppression scheme using a block iterative, row-action projection (RAP) algorithm for direct-sequence spread-spectrum (DS/SS) code-division multiple-access (CDMA) systems is presented. The performance results for the near-far multiple-access interference scenario using the RAP algorithm are compared with a normalized least mean square (NLMS) algorithm. It is shown that the CDMA receiver employing the RAP algorithm has a faster convergence rate and a lower steady-state bit error rate compared to the receiver employing the NLMS algorithm.

AB - An interference suppression scheme using a block iterative, row-action projection (RAP) algorithm for direct-sequence spread-spectrum (DS/SS) code-division multiple-access (CDMA) systems is presented. The performance results for the near-far multiple-access interference scenario using the RAP algorithm are compared with a normalized least mean square (NLMS) algorithm. It is shown that the CDMA receiver employing the RAP algorithm has a faster convergence rate and a lower steady-state bit error rate compared to the receiver employing the NLMS algorithm.

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A constrained block iterative algorithm for multiple-access interference suppression

Abstract

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