Abstract
An apparatus and method is disclosed for using adaptive algorithms to exploit sparsity in target weight vectors in an adaptive channel equalizer. An adaptive algorithm comprises a selected value of a prior and a selected value of a cost function. The present invention comprises algorithms adapted for calculating adaptive equalizer coefficients for sparse transmission channels. The present invention provides sparse algorithms in the form of a Sparse Least Mean Squares (LMS) algorithm and a Sparse Constant Modulus Algorithm (CMA) and a Sparse Decision Directed (DD) algorithm.
Document Type
Patent
Status
Issued
Issue Date
6-13-2006
Patent Number
US 7061977 [ 7,061,977 ] ; US7061977B2
CPC Classification
H 04 L 25/03057
Application number
09/952573
Assignees
Koninklijke Philips Electronics N.V.
Filing Date
9-10-2001
Recommended Citation
Martin, R. K., Williamson, R. C., & Sethares, W. A. (2006). Apparatus and Method For Using Adaptive Algorithms To Exploit Sparsity In Target Weight Vectors in an Adaptive Channel Equalizer (United States Patent No. US7061977B2). https://scholar.afit.edu/patents/79