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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…

Information Theory · Computer Science 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…

Information Theory · Computer Science 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…

Signal Processing · Electrical Eng. & Systems 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…

Sound · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Information Theory · Computer Science 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…

Machine Learning · Statistics 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)…

Information Theory · Computer Science 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Systems and Control · Electrical Eng. & Systems 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…

Systems and Control · Electrical Eng. & Systems 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…

Information Theory · Computer Science 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…

Systems and Control · Electrical Eng. & Systems 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…

Computer Vision and Pattern Recognition · Computer Science 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…

Information Theory · Computer Science 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.…

Systems and Control · Computer Science 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…

Systems and Control · Electrical Eng. & Systems 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…

Information Theory · Computer Science 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…

Signal Processing · Electrical Eng. & Systems 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…

Information Theory · Computer Science 2008-07-31 Mabruk Gheryani , Zhiyuan Wu , Yousef R. Shayan