Stochastic Augmented Projected Gradient Methods for the Large-Scale Precoding Matrix Indicator Selection Problem

In this paper, we consider the large-scale precoding matrix indicator (PMI) selection problem at the receiver in wireless communications. The selection is based on the channel capacity of the PMI matrix in a pre-designed codebook. The quality of the PMI matrix is essential in achieving higher spectr...

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Vydáno v:	IEEE transactions on wireless communications Ročník 21; číslo 11; s. 9553 - 9565
Hlavní autoři:	Zhang, Jiaqi, Jin, Zeyu, Jiang, Bo, Wen, Zaiwen
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York IEEE 01.11.2022 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Algorithms block coordinate descent Channel capacity discrete projected gradient Gradient methods Iterative methods Mathematical analysis Optimization partial permutation Permutations Precoding Precoding matrix indicator STEM stochastic methods Stochastic processes Wireless communication Wireless communications
ISSN:	1536-1276, 1558-2248
On-line přístup:	Získat plný text
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