中文
相关论文

相关论文: Two Efficient and Easy-to-Use NLOS Mitigation Solu…

200 篇论文

Accurate and precise positioning is required to guarantee the massive adoption of a wide range of 5G indoor applications, such as logistics and smart manufacturing. Native support for New Radio (NR) positioning services was included in 3GPP…

最优化与控制 · 数学 2023-12-08 Mohsen Abedi , Alexis A. Dowhuszko , Risto Wichman

This paper presents a unified framework for robust three-dimensional (3-D) source localization using a network of sensors equipped with one-dimensional (1-D) linear arrays. While such arrays offer practical advantages in terms of cost and…

信号处理 · 电气工程与系统科学 2025-11-12 Ehsan Alamdari , Rouhollah Amiri

We study the problem of inferring a sparse vector from random linear combinations of its components. We propose the Accelerated Orthogonal Least-Squares (AOLS) algorithm that improves performance of the well-known Orthogonal Least-Squares…

机器学习 · 统计学 2018-04-17 Abolfazl Hashemi , Haris Vikalo

Ultra-wideband (UWB) time difference of arrival (TDOA)-based localization has recently emerged as a promising indoor positioning solution. However, in cluttered environments, both the UWB radio positions and the obstacle-induced…

机器人学 · 计算机科学 2022-04-12 Wenda Zhao , Abhishek Goudar , Angela P. Schoellig

In the context of single-base station (BS) non-line-of-sight (NLoS) single-epoch localization with the aid of a reflective reconfigurable intelligent surface (RIS), this paper introduces a novel three-step algorithm that jointly estimates…

信号处理 · 电气工程与系统科学 2025-09-08 Moustafa Rahal , Benoit Denis , Musa Furkan Keskin , Bernard Uguen , Henk Wymeersch

In this paper, a novel environmental mapping method is proposed to outline the indoor layout utilizing the line-of-sight (LoS) state information of extremely large aperture array (ELAA) channels. It leverages the spatial resolution provided…

信息论 · 计算机科学 2025-02-17 Jiuyu Liu , Chunmei Xu , Yi Ma , Rahim Tafazolli , Ahmed Elzanaty

This paper introduces a new approach to localize user devices located in non-line-of-sight (NLOS) areas using a passive, non-reconfigurable, and frequency-selective metasurface called metaprism. By analyzing the spatial filtering of…

信号处理 · 电气工程与系统科学 2023-07-25 Marina Lotti , Giacomo Calesini , Davide Dardari

This work introduces a novel numerical method that relaxes the minimal configuration requirements for joint sensors and sources localization (JSSL) in 3D space using time of arrival (TOA) measurements. Traditionally, the principle requires…

信号处理 · 电气工程与系统科学 2024-10-29 Faxian Cao , Yongqiang Cheng , Adil Mehmood Khan , Zhijing Yang , Yingxiu Chang

Sensing in non-line-of-sight (NLOS) is one of the major challenges for integrated sensing and communication systems. Existing countermeasures for NLOS either use prior knowledge on the environment to characterize all the multiple bounces or…

信号处理 · 电气工程与系统科学 2025-11-20 Davide Tornielli Bellini , Dario Tagliaferri , Pietro Grassi , Davide Scazzoli , Stefano Tebaldini , Umberto Spagnolini

Absolute positioning is an essential factor for the arrival of autonomous driving. Global Navigation Satellites System (GNSS) receiver provides absolute localization for it. GNSS solution can provide satisfactory positioning in open or…

机器人学 · 计算机科学 2018-05-01 Weisong Wen , Guohao Zhang , Li-Ta Hsu

Localization accuracy is of paramount importance for the proper operation of underwater optical wireless sensor networks (UOWSNs). However, underwater localization is prone to hostile environmental impediments such as drifts due to the…

网络与互联网体系结构 · 计算机科学 2019-12-24 Nasir Saeed , Abdulkadir Celik , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

To mitigate the loss of satellite navigation signals in urban canyons and indoor environments, we propose an active simultaneous transmitting and reflecting reconfigurable intelligent surface (ASTARS) empowered satellite positioning…

信息论 · 计算机科学 2025-07-03 Yu Zhang , Xin Sun , Tianwei Hou , Anna Li , Sofie Pollin , Yuanwei Liu , Arumugam Nallanathan

Multipath and non-line-of-sight (NLOS) signals are the major causes of poor accuracy of a global navigation satellite system (GNSS) in urban areas. Despite the wide usage of the GNSS in populated urban areas, it is difficult to suggest a…

系统与控制 · 电气工程与系统科学 2022-06-10 Yongjun Lee , Yoola Hwang , Jae Young Ahn , Jiwon Seo , Byungwoon Park

Localization of a wireless mobile device or a robot in indoor and GPS-denied environments is a difficult problem, particularly in dynamic scenarios where traditional cameras and LIDAR-based alternative sensing and localization modalities…

机器人学 · 计算机科学 2022-01-14 Ehsan Latif , Ramviyas Parasuraman

The adaptive Antoulas-Anderson (AAA) algorithm for rational approximation is a widely used method for the efficient construction of highly accurate rational approximations to given data. While AAA can often produce rational approximations…

The fact that the millimeter-wave (mmWave) multiple-input multiple-output (MIMO) channel has sparse support in the spatial domain has motivated recent compressed sensing (CS)-based mmWave channel estimation methods, where the angles of…

信息论 · 计算机科学 2022-04-19 Wei Zhang , Miaomiao Dong , Taejoon Kim

We propose an intuitive, simple and hardware friendly, yet surprisingly novel and efficient, received signal's angle of arrival (AoA) estimation scheme. Our intuitive, two-phases cross-correlation based scheme relies on a switched beam…

系统与控制 · 计算机科学 2014-09-22 Ahmed Badawy , Tamer Khattab , Daniele Trinchero , Tarek El Fouly , Amr Mohamed

The integration of Non-Terrestrial Networks (NTNs) into 6G networks is one of the most promising ways to achieve significant improvements in capacity, reliability, and global coverage. The design of NTN heavily relies on using channel…

系统与控制 · 电气工程与系统科学 2023-04-03 Abdul Saboor , Evgenii Vinogradov , Zhuangzhuang Cui , Sofie Pollin

In this paper, we complete the study of the geometry of the TDOA map that encodes the noiseless model for the localization of a source from the range differences between three receivers in a plane, by computing the Cartesian equation of the…

声音 · 计算机科学 2016-04-07 Marco Compagnoni , Roberto Notari

The physical position is crucial in location-aware services or protocols based on geographic information, where localization is performed given a set of sensor measurements for acquiring the position of an object with respect to a certain…

应用统计 · 统计学 2022-04-14 Wu Junfeng , Mu Biqiang , Yi Xinlei , Wei Jieqiang , Johansson Karl Henrik