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Time-domain Inter-Cell Interference Coordination (ICIC) is recognized as the main driver towards efficient and effective ultra-dense network deployments. Almost Blank Subframe (ABS), as key-example of ICIC, has been recently standardized so…

网络与互联网体系结构 · 计算机科学 2018-09-26 Christian Vitale , Vincenzo Sciancalepore , Vincenzo Mancuso

The energy spectral efficiency maximization (ESEM) problem of a multi-user, multi-relay, multi-cell system is considered, where all the network nodes are equipped with multi-antenna transceivers. To deal with the potentially excessive…

信息论 · 计算机科学 2016-01-26 Kent Tsz Kan Cheung , Shaoshi Yang , Lajos Hanzo

In the area of near-field millimeter-wave imaging, the generalized sparse array synthesis (SAS) method is in great demand. The traditional methods usually employ the greedy algorithms, which may have the convergence problem. This paper…

信号处理 · 电气工程与系统科学 2022-08-10 Shuoguang Wang , Shiyong Li , Ahmad Hoorfar , Ke Miao , Guoqiang Zhao , Houjun Sun

As Part I of a paper series showcasing a new imaging framework, we consider the recently proposed unconstrained Sparsity Averaging Reweighted Analysis (uSARA) optimisation algorithm for wide-field, high-resolution, high-dynamic range,…

天体物理仪器与方法 · 物理学 2023-09-11 Amanda G. Wilber , Arwa Dabbech , Adrian Jackson , Yves Wiaux

Reducing cost and power consumption while maintaining high network access capability is a key physical-layer requirement of massive Internet of Things (mIoT) networks. Deploying a hybrid array is a cost- and energy-efficient way to meet the…

信号处理 · 电气工程与系统科学 2020-07-21 Zhipeng Lin , Tiejun Lv , Wei Ni , J. Andrew Zhang , Ren Ping Liu

Recently, SimCSE has shown the feasibility of contrastive learning in training sentence embeddings and illustrates its expressiveness in spanning an aligned and uniform embedding space. However, prior studies have shown that dense models…

计算与语言 · 计算机科学 2023-11-08 Ruize An , Chen Zhang , Dawei Song

Cell-free massive multiple-input multiple-output (MIMO) employs a large number of distributed access points (APs) to serve a small number of user equipments (UEs) via the same time/frequency resource. Due to the strong macro diversity gain,…

信息论 · 计算机科学 2021-11-23 Jiayi Zhang , Jing Zhang , Derrick Wing Kwan Ng , Shi Jin , Bo Ai

This paper presents a new linear hyperspectral unmixing method of the minimum volume class, termed \emph{simplex identification via split augmented Lagrangian} (SISAL). Following Craig's seminal ideas, hyperspectral linear unmixing amounts…

最优化与控制 · 数学 2016-11-17 Jose Bioucas-Dias

In the last two decades, unsupervised latent variable models---blind source separation (BSS) especially---have enjoyed a strong reputation for the interpretable features they produce. Seldom do these models combine the rich diversity of…

机器学习 · 统计学 2019-11-12 Rogers F. Silva , Sergey M. Plis , Tulay Adali , Marios S. Pattichis , Vince D. Calhoun

Integrated Sensing and Communication (ISAC) has emerged as a key enabler for future wireless systems. The recently developed symbol-level precoding (SLP) technique holds significant potential for ISAC waveform design, as it leverages both…

信号处理 · 电气工程与系统科学 2025-02-21 Peng Jiang , Ming Li , Rang Liu , Wei Wang , Qian Liu

The issue of diminished spectral efficiency (SE) of the downlink (DL) transmission in distributed cell-free massive MIMO (CF-mMIMO) systems poses a significant challenge in terms of user equipment (UE) performance when compared to their…

信号处理 · 电气工程与系统科学 2023-10-31 Reza Roshanghias , Reza Saadat

In this paper we focus on the empirical variable-selection peformance of subsample-ordered least angle regression (Solar) -- a novel ultrahigh dimensional redesign of lasso -- on the empirical data with complicated dependence structures…

机器学习 · 统计学 2020-12-17 Ning Xu , Timothy C. G. Fisher , Jian Hong

This letter investigates a fluid antenna (FA)-assisted integrated sensing and communication (ISAC) system, with joint antenna position optimization and waveform design. We consider enhancing the sum-rate maximization (SRM) and sensing…

信息论 · 计算机科学 2024-12-12 Qian Zhang , Mingjie Shao , Tong Zhang , Gaojie Chen , Ju Liu , P. C. Ching

Co-occurrence network inference algorithms have significantly advanced our understanding of microbiome communities. However, these algorithms typically analyze microbial associations within samples collected from a single environmental…

机器学习 · 计算机科学 2025-10-15 Daniel Agyapong , Briana H. Beatty , Peter G. Kennedy , Jane C. Marks , Toby D. Hocking

Feature selection is a process of choosing a subset of relevant features so that the quality of prediction models can be improved. An extensive body of work exists on information-theoretic feature selection, based on maximizing Mutual…

机器学习 · 计算机科学 2016-12-05 Jilin Wu , Soumyajit Gupta , Chandrajit Bajaj

In this paper we develop an analytical framework for the study of electrochemical impedance of mixed ionic and electronic conductors (MIEC). The framework is based on first-principles and it features the coupling of electrochemical…

化学物理 · 物理学 2017-08-23 Francesco Ciucci , Yong Hao , David G. Goodwin

In this paper, we investigate a cell-free massive multiple-input multiple-output system with both access points and user equipments equipped with multiple antennas over the Weichselberger Rayleigh fading channel. We study the uplink…

信息论 · 计算机科学 2023-01-09 Zhe Wang , Jiayi Zhang , Hien Quoc Ngo , Bo Ai , Mérouane Debbah

In this paper, we study the spectral efficiency (SE) of a multi-cell massive multiple-input multiple-output (MIMO) system with a spatially correlated Rician channel. The correlation between least squares (LS) estimator and its error…

信息论 · 计算机科学 2020-05-12 Mohammad Hadi Sadraei , Mohammad Sadegh Fazel , Ali-Mohammad Doost-Hoseini

Implicit SDF-based methods for single-view 3D reconstruction achieve high-quality surfaces but require large labeled datasets, limiting their scalability. We propose MetaSSP, a novel semi-supervised framework that exploits abundant…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Luoxi Zhang , Chun Xie , Itaru Kitahara

Integrated sensing and communication (ISAC) has emerged as a key feature for sixth-generation (6G) networks, providing an opportunity to meet the dual demands of communication and sensing. Existing ISAC research primarily focuses on…

信号处理 · 电气工程与系统科学 2025-06-23 Rang Liu , Ming Li , Mehdi Zafari , Bjorn Ottersten , A. Lee Swindlehurst