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相关论文: Matrix-Monotonic Optimization for MIMO Systems

200 篇论文

Efficient implementation of massive multiple-input-multiple-output (MIMO) transceivers is essential for the next-generation wireless networks. To reduce the high computational complexity of the massive MIMO transceiver, in this paper, we…

信息论 · 计算机科学 2024-11-15 Yiming Fang , Li Chen , Yunfei Chen , Huarui Yin

In this paper, we study the generalized problem that minimizes or maximizes a multi-order complex quadratic form with constant-modulus constraints on all elements of its optimization variable. Such a mathematical problem is commonly…

信号处理 · 电气工程与系统科学 2025-08-28 Chunxuan Shi , Yongzhe Li , Ran Tao

In this letter, we investigate an important and famous issue, namely weighted mean-square-error (MSE) minimization transceiver designs. In our work, for transceiver designs a novel weighted MSE model is proposed, which is defined as a…

信息论 · 计算机科学 2013-02-28 Chengwen Xing , Wenzhi Li , Shaodan Ma , Zesong Fei , Jingming Kuang

The computationally-efficient solution of multi-objective optimization problems (MOPs) arising in the design of modern electromagnetic (EM) microwave devices is addressed. Towards this end, a novel System-by-Design (SbD) method is developed…

信号处理 · 电气工程与系统科学 2023-04-19 P. Rosatti , M. Salucci , L. Poli , A. Massa

In optimization routines used for on-line Model Predictive Control (MPC), linear systems of equations are usually solved in each iteration. This is true both for Active Set (AS) methods as well as for Interior Point (IP) methods, and for…

最优化与控制 · 数学 2014-01-08 Daniel Axehill

Massive multiple input multiple output (MIMO) systems are typically designed under the assumption of linear power amplifiers (PAs). However, PAs are typically most energy-efficient when operating close to their saturation point, where they…

机器学习 · 计算机科学 2022-10-14 Thomas Feys , Xavier Mestre , François Rottenberg

This paper investigates a new class of non-convex optimization, which provides a unified framework for linear precoding in single/multi-user multiple-input multiple-output (MIMO) channels with arbitrary input distributions. The new…

信号处理 · 电气工程与系统科学 2020-04-08 Juening Jin , Yahong Rosa~Zheng , Wen Chen , Chengshan Xiao

In this thesis, we investigate the problem of efficient data detection in large MIMO and high order MU-MIMO systems. First, near-optimal low-complexity detection algorithms are proposed for regular MIMO systems. Then, a family of…

信息论 · 计算机科学 2021-10-26 Hadi Sarieddeen

In recent years and with introduction of 5G cellular network and communication, researchers have shown great interest in Multiple Input Multiple Output (MIMO) communication, an advanced technology. Many studies have examined the problem of…

信号处理 · 电气工程与系统科学 2023-10-27 Amirsadegh Roshanzamir

Constrained multiobjective optimization has gained much interest in the past few years. However, constrained multiobjective optimization problems (CMOPs) are still unsatisfactorily understood. Consequently, the choice of adequate CMOPs for…

神经与进化计算 · 计算机科学 2023-02-07 Aljoša Vodopija , Tea Tušar , Bogdan Filipič

In this paper, colocated MIMO radar waveform design is considered by minimizing the integrated side-lobe level to obtain beam patterns with lower side-lobe levels than competing methods. First, a quadratic programming problem is formulated…

信息论 · 计算机科学 2018-07-24 Haisheng Xu , Rick S. Blum , Jian Wang , Jian Yuan

This paper provides a zeroth-order optimisation framework for non-smooth and possibly non-convex cost functions with matrix parameters that are real and symmetric. We provide complexity bounds on the number of iterations required to ensure…

最优化与控制 · 数学 2021-06-29 Alejandro I. Maass , Chris Manzie , Iman Shames , Hayato Nakada

We present an approach to solve the nonconvex optimization problem that arises when designing the transmit covariance matrices in multiuser multiple-input multiple-output (MIMO) broadcast networks implementing simultaneous wireless…

信息论 · 计算机科学 2016-04-05 Javier Rubio , Antonio Pascual-Iserte , Daniel P. Palomar , Andrea Goldsmith

Reconfigurable multiple-input multiple-output can provide performance gains over traditional MIMO by reshaping the channels, i.e., introducing more channel realizations. In this paper, we focus on the achievable rate maximization pattern…

信息论 · 计算机科学 2023-02-14 Haonan Wang , Ang Li , Ya-Feng Liu , Qibo Qin , Lingyang Song , Yonghui Li

Binary matrix optimization commonly arise in the real world, e.g., multi-microgrid network structure design problem (MGNSDP), which is to minimize the total length of the power supply line under certain constraints. Finding the global…

神经与进化计算 · 计算机科学 2023-11-27 Wenhua Li , Shengjun Huang , Tao Zhang , Rui Wang , Ling Wang

Large-scale multi-user multiple-input multiple-output (MIMO) techniques have the potential to bring tremendous improvements for future communication systems. Counter-intuitively, the practical issues of having uncertain channel knowledge,…

信息论 · 计算机科学 2014-07-25 Axel Müller , Abla Kammoun , Emil Björnson , Mérouane Debbah

We study policy optimization problems for deterministic Markov decision processes (MDPs) with metric state and action spaces, which we refer to as Metric Policy Optimization Problems (MPOPs). Our goal is to establish theoretical results on…

最优化与控制 · 数学 2022-07-14 Victor D. Dorobantu , Kamyar Azizzadenesheli , Yisong Yue

We propose a new technique for multiple-input multiple-output (MIMO) radar with colocated antennas which we call phased-MIMO radar. The new technique enjoys the advantages of MIMO radar without sacrificing the main advantage of phased-array…

信息论 · 计算机科学 2015-05-13 Aboulnasr Hassanien , Sergiy A. Vorobyov

We consider mixed-integer quadratic optimization problems with banded matrices and indicator variables. These problems arise pervasively in statistical inference problems with time-series data, where the banded matrix captures the temporal…

最优化与控制 · 数学 2024-05-07 Andres Gomez , Shaoning Han , Leonardo Lozano

The array design problem of multiple-input multiple-output (MIMO) systems in a line-of-sight (LoS) transmit environment is examined. As uniform array configurations at the transmitter (Tx) and receiver (Rx) are optimal at specific transmit…