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It is the pursuit of a multiple-input-multiple-output (MIMO) system to approach and even break the limit of channel capacity. However, it is always a big challenge to efficiently characterize the MIMO systems in complex space and get better…

Signal Processing · Electrical Eng. & Systems 2023-01-16 Ruifeng Li , Da Li , Jinyan Ma , Zhaoyang Feng , Ling Zhang , Shurun Tan , Wei E. I. Sha , Hongsheng Chen , Er-Ping Li

Electromagnetic transient (EMT) simulation is a crucial tool for power system dynamic analysis because of its detailed component modeling and high simulation accuracy. However, it suffers from computational burdens for large power grids…

Systems and Control · Electrical Eng. & Systems 2023-12-21 Min Xiong , Kaiyang Huang , Yang Liu , Rui Yao , Kai Sun , Feng Qiu

Flexible Intelligent Metasurfaces (FIMs) enable wireless systems to adapt their three-dimensional geometry through morphing, thereby providing new spatial degrees of freedom. However, continuous deformation complicates the accurate…

Signal Processing · Electrical Eng. & Systems 2026-05-29 Vinícius L. Romano , André L. F. de Almeida , Daniel C. Araújo

Electrical Impedance Tomography (EIT) is a powerful imaging technique with diverse applications, e.g., medical diagnosis, industrial monitoring, and environmental studies. The EIT inverse problem is about inferring the internal conductivity…

Machine Learning · Computer Science 2023-10-31 Derick Nganyu Tanyu , Jianfeng Ning , Andreas Hauptmann , Bangti Jin , Peter Maass

Intelligent metasurfaces may be harnessed for realizing efficient holographic multiple-input and multiple-output (MIMO) systems, at a low hardware-cost and high energy-efficiency. As part of this family, we propose a hybrid beamforming…

Information Theory · Computer Science 2025-02-18 Qingchao Li , Mohammed El-Hajjar , Chao Xu , Jiancheng An , Chau Yuen , Lajos Hanzo

Recently, the concept of holographic multiple-input multiple-output (MIMO) is emerging as one of the promising technologies beyond massive MIMO. Many challenges need to be addressed to bring this novel idea into practice, including…

Information Theory · Computer Science 2023-01-16 Tengjiao Wang , Wei Han , Zhimeng Zhong , Jiyong Pang , Guohua Zhou , Shaobo Wang , Qiang Li

The in-band Full Duplex (FD) technology is lately gaining attention as an enabler for the emerging paradigm of Integrated Sensing and Communications (ISAC), which envisions seamless integration of sensing mechanisms for unconnected entities…

Information Theory · Computer Science 2025-07-18 George C. Alexandropoulos , Ioannis Gavras

Multi-antenna or multiple-input multiple-output (MIMO) technique can significantly improve the efficiency of radio frequency (RF) signal enabled wireless energy transfer (WET). To fully exploit the energy beamforming gain at the energy…

Information Theory · Computer Science 2016-05-04 Jie Xu , Rui Zhang

In this article, we introduce iterative deterministic equivalents as a novel technique for the performance analysis of communication systems whose channels are modeled by complex combinations of independent random matrices. This technique…

Information Theory · Computer Science 2011-12-20 Jakob Hoydis , Romain Couillet , Merouane Debbah

Single Input-Multiple Output (SIMO) systems are key enablers of high data rates in the next generation wireless communications. However in SIMO systems, channel estimation and equalization are challenging particularly in the presence of…

Information Theory · Computer Science 2025-12-09 K Sai Praneeth , P Aswathylakshmi , Radhakrishna Ganti

For speech-related applications in IoT environments, identifying effective methods to handle interference noises and compress the amount of data in transmissions is essential to achieve high-quality services. In this study, we propose a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-08 You-Jin Li , Syu-Siang Wang , Yu Tsao , Borching Su

Frame rate is a crucial consideration in cardiac ultrasound imaging and 3D sonography. Several methods have been proposed in the medical ultrasound literature aiming at accelerating the image acquisition. In this paper, we consider one such…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Sanketh Vedula , Ortal Senouf , Grigoriy Zurakhov , Alex M. Bronstein , Michael Zibulevsky , Oleg Michailovich , Dan Adam , Diana Gaitini

The study proposes a new scheme for MIMO-based ad hoc networks. This is accomplished, while using the Interference Driving Technique (IDT) over Nakagami-m fading channels with perfect channel state information at both the transmitter and…

Information Theory · Computer Science 2015-12-14 Makan Zamanipour , Mohammadali Mohammadi

This paper studies the design of a decentralized multiuser multi-antenna (MIMO) system for spectrum sharing over a fixed narrow band, where the coexisting users independently update their transmit covariance matrices for individual…

Information Theory · Computer Science 2009-05-22 Rui Zhang , John M. Cioffi

This paper is devoted to the design of precoders maximizing the ergodic mutual information (EMI) of bi-correlated flat fading MIMO systems equiped with MMSE receivers. The channel state information and the second order statistics of the…

Information Theory · Computer Science 2016-11-17 Cedric Artigue , Philippe Loubaton

In this paper, we propose a novel transmission scheme, called sparse layered MIMO (SL-MIMO), that combines non-orthogonal transmission and singular value decomposition (SVD) precoding. Nonorthogonality in SL-MIMO allows re-using of the…

Information Theory · Computer Science 2022-08-15 Mohamad H. Dinan , Nemanja Stefan Perovic , Mark F. Flanagan

In this paper, we theoretically investigate a new technique for simultaneous information and power transfer (SWIPT) in multiple-input multiple-output (MIMO) point-to-point with radio frequency energy harvesting capabilities. The proposed…

Information Theory · Computer Science 2015-04-10 Stelios Timotheou , Ioannis Krikidis , Sotiris Karachontzitis , Kostas Berberidis

Millimeter wave (mmWave) communication technique has been developed rapidly because of many advantages of high speed, large bandwidth, and ultra-low delay. However, mmWave communications systems suffer from fast fading and frequent…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Yibin Zhang , Jinlong Sun , Guan Gui , Haris Gacanin , Fumiyuki Adachi

In this study, the Multivariate Empirical Mode Decomposition (MEMD) approach is applied to extract features from multi-channel EEG signals for mental state classification. MEMD is a data-adaptive analysis approach which is suitable…

Signal Processing · Electrical Eng. & Systems 2022-06-03 Monira Islam , Tan Lee

Delay alignment modulation (DAM) is a novel wideband transmission technique for mmWave massive MIMO systems, which exploits the high spatial resolution and multi-path sparsity to mitigate ISI, without relying on channel equalization or…

Information Theory · Computer Science 2023-09-04 Xingwei Wang , Haiquan Lu , Yong Zeng , Xiaoli Xu , Jie Xu