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相关论文: Comparative Study of SVD and QRS in Closed-Loop Be…

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The QR Decomposition (QRD) of communication channel matrices is a fundamental prerequisite to several detection schemes in Multiple-Input Multiple-Output (MIMO) communication systems. Herein, the main feature of the QRD is to transform the…

其他计算机科学 · 计算机科学 2016-11-17 Sebastien Aubert , Manar Mohaisen , Fabienne Nouvel , KyungHi Chang

To realize mmWave massive MIMO systems in practice, Beamspace MIMO with beam selection provides an attractive solution at a considerably reduced number of radio frequency (RF) chains. We propose low-complexity beam selection algorithms…

信息论 · 计算机科学 2022-07-12 Jinxing Yang , Jihong Yu , Shuai Wang , Hao Liu

Singular Value Decomposition (SVD) is a powerful tool for multivariate analysis. However, independent computation of the SVD for each sample taken from a bandlimited matrix random process will result in singular value sample paths whose…

统计理论 · 数学 2007-06-13 D. W. Browne , M. W. Browne , M. P. Fitz

Singular Value Decomposition (SVD) is one of the most useful techniques for analyzing data in linear algebra. SVD decomposes a rectangular real or complex matrix into two orthogonal matrices and one diagonal matrix. In this work we…

量子物理 · 物理学 2012-07-31 Laszlo Gyongyosi , Sandor Imre

Beamforming techniques that employ Singular Value Decomposition (SVD) are commonly used in Multi-Input Multi-Output (MIMO) wireless communication systems. In the absence of channel coding, when a single symbol is transmitted, these systems…

信息论 · 计算机科学 2009-11-05 Hong Ju Park , Boyu Li , Ender Ayanoglu

In this paper, we investigate the optimization problem of joint source and relay beamforming matrices for a twoway amplify-and-forward (AF) multi-input multi-output (MIMO) relay system. The system consisting of two source nodes and two…

信息论 · 计算机科学 2015-02-18 Wei Duan , Wei Song , Moon Ho Lee

This letter considers a two-receiver multiple-input multiple-output (MIMO) Gaussian broadcast channel model with integrated services. Specifically, we combine two sorts of service messages, and serve them simultaneously: one multicast…

信息论 · 计算机科学 2016-11-29 Weidong Mei , Zhi Chen , Jun Fang

The combination of singular value decomposition (SVD)-based beamforming and filter bank multicarrier with offset quadrature amplitude modulation (FBMC/OQAM) has not been successful to date. The difficulty of this combination is that, the…

信号处理 · 电气工程与系统科学 2018-06-20 Yu Qiu , Daiming Qu , Da Chen , Tao Jiang

Singular value decomposition is central to many problems in engineering and scientific fields. Several quantum algorithms have been proposed to determine the singular values and their associated singular vectors of a given matrix. Although…

量子物理 · 物理学 2021-06-30 Xin Wang , Zhixin Song , Youle Wang

This work presents an independent reproducibility study of a lossy image compression technique that integrates singular value decomposition (SVD) and wavelet difference reduction (WDR). The original paper claims that combining SVD and WDR…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Alena Makarova

We present a variational quantum circuit that produces the Singular Value Decomposition of a bipartite pure state. The proposed circuit, that we name Quantum Singular Value Decomposer or QSVD, is made of two unitaries respectively acting on…

量子物理 · 物理学 2020-06-08 Carlos Bravo-Prieto , Diego García-Martín , José I. Latorre

The diagonalization of a conventional multiple-input multiple-output (MIMO) channel into parallel and independent subchannels via singular value decomposition (SVD) is a fundamental strategy that allows the MIMO channel capacity to be…

信息论 · 计算机科学 2018-02-27 Liang Liu , Pratik Patil , Wei Yu

Consider a multi-input multi-output (MIMO) downlink multi-user channel. A well-studied problem in such system is the design of linear beamformers for power minimization with the quality of service (QoS) constraints. The most representative…

信息论 · 计算机科学 2015-07-28 Qingjiang Shi , Meisam Razavayan , Mingyi Hong , Zhi-Quan Luo

Singular value decomposition (SVD) is widely used in wireless systems, including multiple-input multiple-output (MIMO) processing and dimension reduction in distributed MIMO (D-MIMO). However, the iterative nature of decomposition methods…

信号处理 · 电气工程与系统科学 2025-09-24 Sijia Cheng , Liang Liu , Ove Edfors , Juan Vidal Alegria

Low-rank decomposition, particularly Singular Value Decomposition (SVD), is a pivotal technique for mitigating the storage and computational demands of Large Language Models (LLMs). However, prevalent SVD-based approaches overlook the…

机器学习 · 计算机科学 2026-01-15 Lin Xv , Xian Gao , Ting Li , Yuzhuo Fu

The randomized singular value decomposition (R-SVD) is a popular sketching-based algorithm for efficiently computing the partial SVD of a large matrix. When the matrix is low-rank, the R-SVD produces its partial SVD exactly; but when the…

信息论 · 计算机科学 2023-07-07 Elad Romanov

Singular value decomposition (SVD) is one of the most popular compression methods that approximate a target matrix with smaller matrices. However, standard SVD treats the parameters within the matrix with equal importance, which is a simple…

计算与语言 · 计算机科学 2022-12-19 Ting Hua , Yen-Chang Hsu , Felicity Wang , Qian Lou , Yilin Shen , Hongxia Jin

Singular Value Decomposition (SVD) constitutes a bridge between the linear algebra concepts and multi-layer neural networks---it is their linear analogy. Besides of this insight, it can be used as a good initial guess for the network…

机器学习 · 计算机科学 2019-09-16 Bernhard Bermeitinger , Tomas Hrycej , Siegfried Handschuh

The singular value decomposition (SVD) is not only a classical theory in matrix computation and analysis, but also is a powerful tool in machine learning and modern data analysis. In this tutorial we first study the basic notion of SVD and…

机器学习 · 计算机科学 2015-10-30 Zhihua Zhang

This paper presents the modal truncation and singular value decomposition (SVD) technique as two main algorithms for dynamic model reduction of the power system. The significance and accuracy of the proposed methods are investigated with…

系统与控制 · 电气工程与系统科学 2020-04-17 Mohammad Khatibi , Fatemeh Rahmani , Tanushree Agarwal
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