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In this paper, adaptive hybrid beamforming methods are proposed for millimeter-wave range massive multiple-input-multiple-output (MIMO) systems considering single carrier wideband transmission in uplink data mode. A statistical analog…

信息论 · 计算机科学 2020-07-02 Anil Kurt , Gokhan Muzaffer Guvensen

In this article, a fractional-norm constrained blind adaptive algorithm is presented for sparse channel equalization. In essence, the algorithm improves on the minimization of the constant modulus (CM) criteria by adding a sparsity inducing…

信息论 · 计算机科学 2017-08-09 Shafayat Abrar

The worst-case robust adaptive beamforming problem for general-rank signal model is considered. Its formulation is to maximize the worst-case signal-to-interference-plus-noise ratio (SINR), incorporating a positive semidefinite constraint…

信号处理 · 电气工程与系统科学 2018-05-15 Yongwei Huang , Sergiy A. Vorobyov

In dynamic acoustic environments characterized by time-varying interferers and moving sources, effective beamforming requires accurately identifying stationary regions over time. Traditional Capon beamformers rely on the instantaneous…

声音 · 计算机科学 2026-05-12 Manan Mittal , Ryan M. Corey , Diego Cuji , John R. Buck , Andrew C. Singer

Metal defect detection is critical in industrial quality assurance, yet existing methods struggle with grayscale variations and complex defect states, limiting its robustness. To address these challenges, this paper proposes a Self-Adaptive…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Sijin Sun , Ming Deng , Xingrui Yu , Xingyu Xi , Liangbin Zhao

Low-complexity beamformer design with practical constraints is an attractive research area for hybrid analog/digital systems in mm-wave massive multiple-input multiple-output (MIMO). This paper investigates interference-aware pre-beamformer…

信息论 · 计算机科学 2024-10-28 Murat Bayraktar , Gokhan Muzaffer Guvensen

Stochastic gradient Markov chain Monte Carlo (SG-MCMC) methods are Bayesian analogs to popular stochastic optimization methods; however, this connection is not well studied. We explore this relationship by applying simulated annealing to an…

机器学习 · 统计学 2016-08-08 Changyou Chen , David Carlson , Zhe Gan , Chunyuan Li , Lawrence Carin

We propose blind adaptive multi-input multi-output (MIMO) linear receivers for DS-CDMA systems using multiple transmit antennas and space-time block codes (STBC) in multipath channels. A space-time code-constrained constant modulus (CCM)…

信息论 · 计算机科学 2013-01-01 Rodrigo C. de Lamare , Raimundo Sampaio-Neto

Semantic location prediction aims to derive meaningful location insights from multimodal social media posts, offering a more contextual understanding of daily activities than using GPS coordinates. This task faces significant challenges due…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Zhizhen Zhang , Ning Wang , Haojie Li , Zhihui Wang

In this paper, we introduce an observer-free sliding mode control (SMC) method based on explicit structural compensation via the decomposition \( s = \alpha - \beta \). The proposed formulation eliminates the need for state observers and…

系统与控制 · 电气工程与系统科学 2025-08-25 Jaafar Gaber

This paper proposes a novel control framework designed for Inverter-Based Resources (IBRs), denoted as Generalized Swing Control (GSC). The proposed GSC framework generalizes the definition of Grid-Forming (GFM) control schemes and exploits…

系统与控制 · 电气工程与系统科学 2025-11-05 Rodrigo Bernal , Federico Milano

This paper proposes an auxiliary vector filtering (AVF) algorithm based on a constrained constant modulus (CCM) design for robust adaptive beamforming. This scheme provides an efficient way to deal with filters with a large number of…

信息论 · 计算机科学 2013-03-14 Lei Wang , Rodrigo de Lamare

The Grid-Forming Inverter (GFMI) is an emerging topic that is attracting significant attention from both academic and industrial communities, particularly in the area of control design. The Decoupled Average Model-based Sliding Mode Current…

系统与控制 · 电气工程与系统科学 2025-01-22 Quang-Manh Hoang , Guilherme Vieira Hollweg , Akhtar Hussain , Sina Zarrabian , Wencong Su , Van-Hai Bui

This paper targets a novel trade-off problem in generalizable prompt learning for vision-language models (VLM), i.e., improving the performance on unseen classes while maintaining the performance on seen classes. Comparing with existing…

计算机视觉与模式识别 · 计算机科学 2023-09-21 Liangchen Liu , Nannan Wang , Dawei Zhou , Xinbo Gao , Decheng Liu , Xi Yang , Tongliang Liu

Collaborative beamforming (CB) is a power efficient method for data communications in wireless sensor networks (WSNs) which aims at increasing the transmission range in the network by radiating the power from a cluster of sensor nodes in…

信息论 · 计算机科学 2015-05-18 Mohammed F. A. Ahmed , Sergiy A. Vorobyov

The bias-compensated set-membership normalised LMS (BCSMNLMS) algorithm is proposed based on the concept of set-membership filtering, which incorporates the bias-compensation technique to mitigate the negative effect of noisy inputs.…

系统与控制 · 计算机科学 2018-04-20 Kaili Yin , Haiquan Zhao , Lu Lu

We present a numerically efficient Nonlinear Model Predictive Control (NMPC) approach, called Set Membership based NMPC (SM-NMPC). In particular, a Set Membership method is used to derive from data an approximation and tight bounds on the…

系统与控制 · 电气工程与系统科学 2023-02-01 Mattia Boggio , Carlo Novara , Michele Taragna

As a power and bandwidth efficient modulation scheme, the optical spatial modulation (SM) technique has recently drawn increased attention in the field of visible light communications (VLC). To guarantee the number of bits mapped by the…

信息论 · 计算机科学 2018-07-27 Jin-Yuan Wang , Hong Ge , Jian-Xia Zhu , Jun-Bo Wang , Jianxin Dai , Min Lin

In this paper, we design constant modulus probing waveforms with good correlation properties for collocated multi-input multi-output (MIMO) radar systems. The main content is as follows: first, we formulate the design problem as a fourth…

信号处理 · 电气工程与系统科学 2019-09-04 Jiangtao Wang , Yongchao Wang

In this paper, we propose a scheme called "beam-nulling" for MIMO adaptation. In the beam-nulling scheme, the eigenvector of the weakest subchannel is fed back and then signals are sent over a generated subspace orthogonal to the weakest…

信息论 · 计算机科学 2008-07-31 Mabruk Gheryani , Zhiyuan Wu , Yousef R. Shayan