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Perceptive mobile network (PMN) is a recently proposed next-generation network that integrates radar sensing into communication. One major challenge for realizing sensing in PMNs is how to deal with spatially-separated asynchronous…

信号处理 · 电气工程与系统科学 2020-11-19 Zhitong Ni , J. Andrew Zhang , Xiaojing Huang , Kai Yang , Jinhong Yuan

This paper studies the fast adaptive beamforming for the multiuser multiple-input single-output downlink. Existing deep learning-based approaches assume that training and testing channels follow the same distribution which causes task…

信息论 · 计算机科学 2021-09-21 Juping Zhang , Yi Yuan , Gan Zheng , Ioannis Krikidis , Kai-Kit Wong

Network embedding methods map a network's nodes to vectors in an embedding space, in such a way that these representations are useful for estimating some notion of similarity or proximity between pairs of nodes in the network. The quality…

社会与信息网络 · 计算机科学 2022-02-02 Alexandru Mara , Jefrey Lijffijt , Tijl De Bie

Artificial Intelligence (AI) has the potential to revolutionize space exploration by delegating several spacecraft decisions to an onboard AI instead of relying on ground control and predefined procedures. It is likely that there will be an…

Nanosatellite constellations equipped with sensors capturing large geographic regions provide unprecedented opportunities for Earth observation. As constellation sizes increase, network contention poses a downlink bottleneck. Orbital Edge…

Large pre-trained DNA language models such as DNABERT-2, Nucleotide Transformer, and HyenaDNA have demonstrated strong performance on various genomic benchmarks. However, most applications rely on expensive fine-tuning, which works best…

基因组学 · 定量生物学 2025-08-08 Nirjhor Datta , Swakkhar Shatabda , M Sohel Rahman

Many studies in vision tasks have aimed to create effective embedding spaces for single-label object prediction within an image. However, in reality, most objects possess multiple specific attributes, such as shape, color, and length, with…

计算机视觉与模式识别 · 计算机科学 2023-07-26 Chull Hwan Song , Taebaek Hwang , Jooyoung Yoon , Shunghyun Choi , Yeong Hyeon Gu

RetinaNet proposed Focal Loss for classification task and improved one-stage detectors greatly. However, there is still a gap between it and two-stage detectors. We analyze the prediction of RetinaNet and find that the misalignment of…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Wu Kehe , Chen Zuge , Zhang Xiaoliang , Li Wei

Occlusions hinder point cloud frame alignment in LiDAR data, a challenge inadequately addressed by scene flow models tested mainly on occlusion-free datasets. Attempts to integrate occlusion handling within networks often suffer accuracy…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Jingze Chen , Junfeng Yao , Qiqin Lin , Lei Li

We consider a hybrid wireless sensor network with regular and transmit-only sensors. The transmit-only sensors do not have receiver circuit, hence are cheaper and less energy consuming, but their transmissions cannot be coordinated. Regular…

网络与互联网体系结构 · 计算机科学 2013-02-05 Bartlomiej Bartek Blaszczyszyn , Bozidar Radunovic

In this work we pretrain a CLIP/ViT based model using three different modalities of satellite imagery across five AOIs covering over ~10\% of Earth's total landmass, namely Sentinel 2 RGB optical imagery, Sentinel 1 SAR radar amplitude and…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Matt Allen , Francisco Dorr , Joseph A. Gallego-Mejia , Laura Martínez-Ferrer , Anna Jungbluth , Freddie Kalaitzis , Raúl Ramos-Pollán

In cell-free massive multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems, user equipments (UEs) are served by many distributed access points (APs), where channels are correlated due to finite…

信息论 · 计算机科学 2020-11-04 Junyuan Gao , Yongpeng Wu , Yongjian Wang , Wenjun Zhang , Fan Wei

In order to unlock the full advantages of massive multiple input multiple output (MIMO) in the downlink, channel state information (CSI) is required at the base station (BS) to optimize the beamforming matrices. In frequency division duplex…

信息论 · 计算机科学 2021-07-09 Yusha Liu , Osvaldo Simeone

Token embeddings play a crucial role in language modeling but, despite this practical relevance, their theoretical understanding remains limited. Our paper addresses the gap by characterizing the structure of embeddings obtained via…

机器学习 · 计算机科学 2025-06-26 Diyuan Wu , Aleksandr Shevchenko , Samet Oymak , Marco Mondelli

Low-latency delivery of satellite imagery is essential for time-critical applications such as disaster response, intelligence, and infrastructure monitoring. However, traditional pipelines rely on downlinking all captured images before…

机器学习 · 计算机科学 2026-04-21 Ansel Kaplan Erol , Seungjun Lee , Divya Mahajan

Recently, the paradigm of massive ultra-reliable low-latency IoT communications (URLLC-IoT) has gained growing interest. Reliable delay-critical uplink transmission in IoT is a challenging task since low-complex devices typically do not…

信息论 · 计算机科学 2024-01-23 Jyri Hämäläinen , Rui Dinis , Mehmet C. Ilter

Automated underwater species classification is constrained by annotation cost and environmental variation that limits the transferability of fully supervised models. Recent work has shown that frozen embeddings from self-supervised vision…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Thomas Manuel Rost

Embeddings are a powerful way to enrich data-driven machine learning models with the world knowledge of large language models (LLMs). Yet, there is limited evidence on how to design effective LLM-based embedding pipelines for tabular…

机器学习 · 计算机科学 2026-03-19 Oksana Kolomenko , Ricardo Knauer , Erik Rodner

Re-ranking utilizes contextual information to optimize the initial ranking list of person or vehicle re-identification (re-ID), which boosts the retrieval performance at post-processing steps. This paper proposes a re-ranking network to…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Yunhao Zhou , Yi Wang , Lap-Pui Chau

This letter investigates a channel assignment problem in uplink wireless communication systems. Our goal is to maximize the sum rate of all users subject to integer channel assignment constraints. A convex optimization based algorithm is…

信号处理 · 电气工程与系统科学 2020-01-14 Guangyu Jia , Zhaohui Yang , Hak-Keung Lam , Jianfeng Shi , Mohammad Shikh-Bahaei