An Improved Square-Root Algorithm for V-BLAST Based on Efficient Inverse Cholesky Factorization

A fast algorithm for inverse Cholesky factorization is proposed, to compute a triangular square-root of the estimation error covariance matrix for Vertical Bell Laboratories Layered Space-Time architecture (V-BLAST). It is then applied to propose an improved square-root algorithm for V-BLAST, which...

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Bibliographic Details
Published in:	IEEE transactions on wireless communications Vol. 10; no. 1; pp. 43 - 48
Main Authors:	Zhu, Hufei, Chen, Wen, Li, Bin, Gao, Feifei
Format:	Journal Article
Language:	English
Published:	New York, NY IEEE 01.01.2011 Institute of Electrical and Electronics Engineers
Subjects:	Algorithm design and analysis Antennas Applied sciences Complexity theory Detection, estimation, filtering, equalization, prediction Exact sciences and technology fast algorithm Information, signal and communications theory inverse Cholesky factorization MIMO Miscellaneous Multiplexing OFDM Signal and communications theory Signal processing Signal processing algorithms Signal, noise square-root Telecommunications and information theory V-BLAST Wireless communication MIMO system Estimation error Error estimation Noise reduction V-BLAST Space time Covariance matrix Recursive algorithm Factorization Interference suppression inverse Cholesky factorization Algorithm performance Orthogonal frequency division multiplexing Signal processing MIMO Fast algorithm square-root Signal detection Musical instrument
ISSN:	1536-1276
Online Access:	Get full text
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