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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Vydáno v:	IEEE transactions on wireless communications Ročník 10; číslo 1; s. 43 - 48
Hlavní autoři:	Zhu, Hufei, Chen, Wen, Li, Bin, Gao, Feifei
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.01.2011 Institute of Electrical and Electronics Engineers
Témata:	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
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