Iterative Precoder Design and User Scheduling for Block-Diagonalized Systems

The block diagonalization (BD) scheme is a low-complexity suboptimal precoding technique for multiuser multiple input-multiple output (MIMO) downlink channels, which completely precancels the multiuser interference. Accordingly, the precoder of each user lies in the null space of other users' c...

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Vydáno v:	IEEE transactions on signal processing Ročník 60; číslo 7; s. 3726 - 3739
Hlavní autoři:	Tran, Le-Nam, Bengtsson, Mats, Ottersten, Björn
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York, NY IEEE 01.07.2012 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Algorithm design and analysis Algorithms Applied sciences Asymptotic analysis block diagonalization Channels Coding, codes Complexity theory Design engineering Detection, estimation, filtering, equalization, prediction Downlink downlink channel Exact sciences and technology fairness scheduling Information, signal and communications theory Interference Mathematical analysis Matrices Matrix decomposition Matrix methods MIMO Multiuser MIMO multiuser multiple input- multiple output (MIMO) Norms Scheduling Scheduling algorithms Signal and communications theory Signal, noise Studies Telecommunications and information theory user scheduling Performance evaluation Diagonalization fairness scheduling Equity Eigenvalue Downlink Updating Iterative method block diagonalization user scheduling Coding Broadcast channels Traffic control Pretreatment Asymptotic analysis MIMO system Multiple access downlink channel Coding circuit Teletraffic Scheduling Algorithm Computational complexity Information transmission multiuser multiple input-multiple output (MIMO) Queueing system QR factorization Recursive method Signal processing Numerical simulation Metric
ISSN:	1053-587X, 1941-0476
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