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This paper presents an efficient optimization technique for gridless {2-D} line spectrum estimation, named decoupled atomic norm minimization (D-ANM). The framework of atomic norm minimization (ANM) is considered, which has been…

Signal Processing · Electrical Eng. & Systems 2022-04-27 Zhe Zhang , Yue Wang , Zhi Tian

In contrast to a maximum-likelihood decoder, it is often desirable to use an incomplete decoder that can detect its decoding errors with high probability. One common choice is the bounded distance decoder. Bounds are derived for the total…

Information Theory · Computer Science 2012-07-26 Kenneth Andrews , Sam Dolinar

Large language models (LLMs) have demonstrated remarkable success across various application domains, but their enormous sizes and computational demands pose significant challenges for deployment on resource-constrained edge devices. To…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-20 Kai Zhang , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Multimodal large language models (MLLMs) have shown strong capability in semantic understanding and visual reasoning, yet their use on continuous video streams in bandwidth-constrained edge-cloud systems incurs prohibitive computation and…

Multimedia · Computer Science 2026-04-08 Qi Guo , Zheming Yang , Yunqing Hu , Chang Zhao , Wen Ji

Various wireless sensor network applications involve the computation of a pre-defined function of the measurements without the need for reconstructing each individual sensor reading. Widely-considered examples of such functions include the…

Information Theory · Computer Science 2012-10-16 Mario Goldenbaum , Sławomir Stańczak

This paper proposes a cell-free massive multiple-input multiple-output (CF-mMIMO) architecture with joint list-based detection with soft interference cancelation (soft-IC) and access points (APs) selection. In particular, we derive a new…

Information Theory · Computer Science 2023-04-11 T. Ssettumba , L. T. N. Landau , R. C. de Lamare

Signal detection in large multiple-input multiple-output (large-MIMO) systems presents greater challenges compared to conventional massive-MIMO for two primary reasons. First, large-MIMO systems lack favorable propagation conditions as they…

Information Theory · Computer Science 2023-08-23 Jiuyu Liu , Yi Ma , Rahim Tafazolli

As we push the boundaries of performance in various vision tasks, the models grow in size correspondingly. To keep up with this growth, we need very aggressive pruning techniques for efficient inference and deployment on edge devices.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Xinglong Sun , Barath Lakshmanan , Maying Shen , Shiyi Lan , Jingde Chen , Jose Alvarez

Out-of-Distribution (OOD) detection is a critical capability for ensuring the safe deployment of machine learning models in open-world environments, where unexpected or anomalous inputs can compromise model reliability and performance.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Weijun Gao , Rundong He , Jinyang Dong , Yongshun Gong

This paper considers massive access in massive multiple-input multiple-output (MIMO) systems and proposes an adaptive active user detection and channel estimation scheme based on compressive sensing. By exploiting the sporadic traffic of…

Signal Processing · Electrical Eng. & Systems 2020-08-04 Malong Ke , Zhen Gao , Yongpeng Wu , Xiqi Gao , Robert Schober

Fluid antenna system (FAS) is emerging as a key technology for enhancing spatial flexibility and sensing accuracy in future wireless systems. This paper investigates an unmanned aerial vehicle (UAV)-enabled FAS for multi-target wireless…

Information Theory · Computer Science 2025-09-29 Xuhui Zhang , Wenchao Liu , Chunjie Wang , Jinke Ren , Huijun Xing , Shuqiang Wang , Yanyan Shen

We propose a new class of error correction codes for low-delay streaming communication. We consider an online setup where a source packet arrives at the encoder every $M$ channel uses, and needs to be decoded with a maximum delay of $T$…

Information Theory · Computer Science 2016-11-17 Ahmed Badr , Pratik Patil , Ashish Khisti , Wai-Tian Tan , John Apostolopoulos

The encoder-decoder architecture is widely used as a lightweight semantic segmentation network. However, it struggles with a limited performance compared to a well-designed Dilated-FCN model for two major problems. First, commonly used…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Jiangyun Li , Sen Zha , Chen Chen , Meng Ding , Tianxiang Zhang , Hong Yu

Massive multiple-input multiple-output (MIMO) communications using low-resolution analog-to-digital converters (ADCs) is a promising technology for providing high spectral and energy efficiency with affordable hardware cost and power…

Information Theory · Computer Science 2022-12-06 Ly V. Nguyen , A. Lee Swindlehurst , Duy H. N. Nguyen

Unmanned aerial vehicles (UAVs) equipped with thermal infrared (TIR) cameras play a crucial role in combating nocturnal wildlife poaching. However, TIR images often face challenges such as jitter, and wildlife overlap, necessitating UAVs to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Ang He , Xiaobo Li , Ximei Wu , Chengyue Su , Jing Chen , Sheng Xu , Xiaobin Guo

This paper considers a lens antenna array-assisted millimeter wave (mmWave) multiuser multiple-input multiple-output (MU-MIMO) system. The base station's beam selection matrix and user terminals' phase-only beamformers are jointly designed…

Signal Processing · Electrical Eng. & Systems 2022-08-02 Chongjun Ouyang , Hao Xu , Xujie Zang , Hongwen Yang

This paper considers joint active user detection (AUD) and channel estimation (CE) for massive connectivity scenarios with sporadic traffic. The state-of-art method under a Bayesian framework to perform joint AUD and CE in such scenarios is…

Information Theory · Computer Science 2022-08-10 Jia-Cheng Jiang , Hui-Ming Wang , H. Vincent Poor

Amplify-and-forward two-way relay network (AFTWRN) was introduced to realize high-data rate transmission over the wireless frequency-selective channel. However, AFTWRC requires the knowledge of channel state information (CSI) not only for…

Information Theory · Computer Science 2013-06-25 Guan Gui , Qun Wan , Wei Peng , Fumiyuki Adachi

Massive multiple-input multiple-output (MIMO) promises improved spectral efficiency, coverage, and range, compared to conventional (small-scale) MIMO wireless systems. Unfortunately, these benefits come at the cost of significantly…

Information Theory · Computer Science 2016-11-17 Bei Yin , Michael Wu , Joseph R. Cavallaro , Christoph Studer

The difficulty of the fine-grained image classification mainly comes from a shared overall appearance across classes. Thus, recognizing discriminative details, such as eyes and beaks for birds, is a key in the task. However, this is…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 SuBeen Lee , WonJun Moon , Hyun Seok Seong , Jae-Pil Heo