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Related papers: Scalable Near-Field Localization Based on Partitio…

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In this article, we present our vision for how extremely large aperture arrays (ELAAs), equipped with hundreds or thousands of antennas, can play a major role in future 6G networks by enabling a remarkable increase in data rates through…

Signal Processing · Electrical Eng. & Systems 2023-10-23 Parisa Ramezani , Alva Kosasih , Amna Irshad , Emil Björnson

In this paper, we consider partitioned edge learning (PARTEL), which implements parameter-server training, a well known distributed learning method, in a wireless network. Thereby, PARTEL leverages distributed computation resources at edge…

Information Theory · Computer Science 2021-03-19 Dingzhu Wen , Ki-Jun Jeon , Mehdi Bennis , Kaibin Huang

In this paper, we explore a dual-sniffer passive localization system that detects the timing difference of signals from both commercial base station (eNb) and user equipment (UE) to the sniffers. We design two localization schemes for UE…

Signal Processing · Electrical Eng. & Systems 2024-10-17 Tuo Wu , Lingyu Hou , Hong Niu , Saihua Xu , Sirajudeen Gulam Razul , Chau Yuen

The synergy between extremely large-scale antenna arrays and terahertz technology in sixth-generation networks establishes a near-field wideband transmission environment, enabling the generation of highly focused beams. To leverage this…

Signal Processing · Electrical Eng. & Systems 2026-03-18 Qianyu Yang , Haiyang Zhang , Francesco Guidi , Anna Guerra , Davide Dardari , Baoyun Wang , Yonina C. Eldar

The unmanned aerial vehicles base stations (UAV-BSs) have great potential in being widely used in many dynamic application scenarios. In those scenarios, the movements of served user equipments (UEs) are inevitable, so the UAV-BSs needs to…

Networking and Internet Architecture · Computer Science 2019-10-08 Haoran Peng , Chao Chen , Chuan-Chi Lai , Li-Chun Wang , Zhu Han

Movable antennas (MAs) have emerged as a promising technology for wireless sensing by reconfiguring antenna positions to exploit additional spatial degrees of freedom (DoFs). This paper investigates a robust movable antenna placement…

Signal Processing · Electrical Eng. & Systems 2026-03-12 Jinjian Liu , Xianxin Song , Xianghao Yu

Multi-die FPGAs are crucial components in modern computing systems, particularly for high-performance applications such as artificial intelligence and data centers. Super long lines (SLLs) provide interconnections between super logic…

Hardware Architecture · Computer Science 2024-02-05 Zhixiong Di , Runzhe Tao , Jing Mai , Lin Chen , Yibo Lin

This letter studies the problem of jointly detecting active user equipments (UEs) and estimating their location in the near field, wherein the base station (BS) is unaware of the number of active (or inactive) UEs and their positions. The…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Georgios Mylonopoulos , Behrooz Makki , Stefano Buzzi , Gábor Fodor

We investigate the problem of reconfigurable intelligent surface (RIS)-aided near-field localization of a user equipment (UE) served by a base station (BS) under phase-dependent amplitude variations at each RIS element. Through a…

Signal Processing · Electrical Eng. & Systems 2022-09-30 Cuneyd Ozturk , Musa Furkan Keskin , Henk Wymeersch , Sinan Gezici

Deploying sensor nodes randomly most of the time generates initial communication hole even in highly dense networks. These communication holes cannot be totally eliminated even when the deployment is done in a structured manner. In either…

Networking and Internet Architecture · Computer Science 2018-09-11 Hashim A. Hashim , B. O. Ayinde , M. A. Abido

Supervised machine learning and deep learning require a large amount of labeled data, which data scientists obtain in a manual, and time-consuming annotation process. To mitigate this challenge, Active Learning (AL) proposes promising data…

Computation and Language · Computer Science 2023-08-08 Philipp Kohl , Nils Freyer , Yoka Krämer , Henri Werth , Steffen Wolf , Bodo Kraft , Matthias Meinecke , Albert Zündorf

We propose a new scalable algorithm for facility location. Facility location is a classic problem, where the goal is to select a subset of facilities to open, from a set of candidate facilities F , in order to serve a set of clients C. The…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-03-13 Kiran Garimella , Gianmarco De Francisci Morales , Aristides Gionis , Mauro Sozio

Range-based localization is ubiquitous: global navigation satellite systems (GNSS) power mobile phone-based navigation, and autonomous mobile robots can use range measurements from a variety of modalities including sonar, radar, and even…

Robotics · Computer Science 2024-05-21 Ethan Sequeira , Hussein Saad , Stephen Kelly , Matthew Giamou

Extremely large antenna arrays (ELAAs) can provide higher spectral efficiency. However, the use of narrower beams for data transmission significantly increases the overhead associated with beam training. In this letter, we propose a novel…

Signal Processing · Electrical Eng. & Systems 2024-06-04 Hongkang Yu , Yuan Si , Shujuan Zhang , Yijian Chen

The deployment of extremely large-scale array (ELAA) brings higher spectral efficiency and spatial degree of freedom, but triggers issues on near-field channel estimation. Existing near-field channel estimation schemes primarily exploit…

Signal Processing · Electrical Eng. & Systems 2025-09-19 Zhiming Zhu , Shu Xu , Jiexin Zhang , Chunguo Li , Yongming Huang , Luxi Yang

In this paper, we consider a hybrid Analog and Digital (A/D) receiver architecture with an extremely large Dynamic Metasurface Antenna (DMA) and an $1$-bit resolution Analog-to-Digital Converter (ADC) at each of its reception…

Information Theory · Computer Science 2024-01-23 Ioannis Gavras , Italo Atzeni , George C. Alexandropoulos

This paper addresses the mobility problem in extremely large antenna array (ELAA) communication systems. In order to account for the performance loss caused by the spherical wavefront of ELAA in the mobility scenario, we propose a wavefront…

Information Theory · Computer Science 2024-07-23 Weidong Li , Haifan Yin , Ziao Qin , Merouane Debbah

This paper presents a phase-difference-based scheme for three-dimensional (3D) line-of-sight (LoS) user localization using a uniform planar array (UPA), applicable to both near-field and far-field regimes under the exact spherical-wave…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Sergey Isaev , Nikola Zlatanov

We present Adjacent Possible Exploration (APE), a selective fine-tuning method for adapting large language models that systematically explores parameter modifications while maintaining model stability. Inspired by evolutionary optimization…

Computation and Language · Computer Science 2025-06-10 Javier Marín

In emergency search and rescue scenarios, the quick location of trapped people is essential. However, disasters can render the Global Positioning System (GPS) unusable. Unmanned aerial vehicles (UAVs) with localization devices can serve as…

Multiagent Systems · Computer Science 2024-01-17 Zhihao Zhu , Jiafan He , Luyang Hou , Lianming Xu , Wendi Zhu , Li Wang
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