中文
相关论文

相关论文: Doppler-Enabled Single-Antenna Localization and Ma…

200 篇论文

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…

多智能体系统 · 计算机科学 2024-01-17 Zhihao Zhu , Jiafan He , Luyang Hou , Lianming Xu , Wendi Zhu , Li Wang

This paper investigates how near-field beamfocusing can be achieved using a modular linear array (MLA), composed of multiple widely spaced uniform linear arrays (ULAs). The MLA architecture extends the aperture length of a standard ULA…

信号处理 · 电气工程与系统科学 2025-12-09 Alva Kosasih , Özlem Tuğfe Demir , Emil Björnson

This paper studies the deployment of multiple movable antennas (MAs) at the base station (BS) for enhancing the multiuser communication performance. First, we model the multiuser channel in the uplink to characterize the wireless channel…

信息论 · 计算机科学 2023-08-11 Xiangyu Pi , Lipeng Zhu , Zhenyu Xiao , Rui Zhang

With the ever growing number of space debris in orbit, the need to prevent further space population is becoming more and more apparent. Refueling, servicing, inspection and deorbiting of spacecraft are some example missions that require…

机器人学 · 计算机科学 2023-03-20 Fragiskos Fourlas , Vignesh Kottayam Viswanathan , Sumeet Satpute , George Nikolakopoulos

Location-aware communication systems are expected to play a pivotal part in the next generation of mobile communication networks. Therefore, there is a need to understand the localization limits in these networks, particularly, using…

Multipath-based simultaneous localization and mapping (MP-SLAM) is a promising approach for future 6G networks to jointly estimate the positions of transmitters and receivers together with the propagation environment. In cooperative…

信号处理 · 电气工程与系统科学 2026-01-28 Alexander Venus , Erik Leitinger , Klaus Witrisal

In cellular networks, authorities may need to physically locate user devices to track criminals or illegal equipment. This process involves authorized agents tracing devices by monitoring uplink signals with cellular operator assistance.…

密码学与安全 · 计算机科学 2024-09-27 Taekkyung Oh , Sangwook Bae , Junho Ahn , Yonghwa Lee , Tuan Dinh Hoang , Min Suk Kang , Nils Ole Tippenhauer , Yongdae Kim

Integrating sensing functions into future mobile equipment has become an important trend. Realizing different types of sensing and achieving mutual enhancement under the existing communication hardware architecture is a crucial challenge in…

信息论 · 计算机科学 2022-03-22 Jie Yang , Chao-Kai Wen , Shi Jin

The vulnerability of Global Positioning System (GPS) receivers to jammers is a major concern owing to the extremely weak received signal power of GPS. Researches have been conducted on a variety of antenna array techniques to be used as…

信号处理 · 电气工程与系统科学 2020-11-19 Kwansik Park , Jiwon Seo

The high directionality and intense Doppler effects of millimeter wave (mmWave) and sub-terahertz (subTHz) channels demand accurate localization of the users and a new paradigm of channel estimation. For orthogonal frequency division…

信号处理 · 电气工程与系统科学 2024-06-13 Enrique T. R. Pinto , Markku Juntti

Movable antenna (MA) is a promising technology to improve wireless communication performance by varying the antenna position in a given finite area at the transceivers to create more favorable channel conditions. In this paper, we…

信息论 · 计算机科学 2024-03-26 Lipeng Zhu , Wenyan Ma , Boyu Ning , Rui Zhang

In this paper, we propose a ground-based monocular UAV localisation system that detects and localises an LED marker attached to the underside of a UAV. Our system removes the need for extensive infrastructure and calibration unlike existing…

机器人学 · 计算机科学 2023-11-07 Xueyan Oh , Ryan Lim , Leonard Loh , Chee How Tan , Shaohui Foong , U-Xuan Tan

Positioning is expected to be a core function in intelligent transportation systems (ITSs) to support communication and location-based services, such as autonomous driving, traffic control, etc. With the advent of low-cost reflective…

信号处理 · 电气工程与系统科学 2023-11-15 Hui Chen , Pinjun Zheng , Musa Furkan Keskin , Tareq Al-Naffouri , Henk Wymeersch

We consider a user-centric co-operative cellular network, where base stations (BSs) close to a mobile co-operate to detect its signal using a (joint) linear minimum-mean-square-error receiver. The BSs are at arbitrary positions and mobiles…

信息论 · 计算机科学 2018-02-14 Siddhartan Govindasamy , Itsik Bergel

In 5G mmWave, joint positioning and synchronization can be achieved even when the line-of-sight path is blocked. In this technical note, we describe a simple method to determine a coarse estimate of the user state and the environment. This…

信号处理 · 电气工程与系统科学 2018-12-19 Henk Wymeersch

In next-generation vehicular environments, precise localization is crucial for facilitating advanced applications such as autonomous driving. As automation levels escalate, the demand rises for enhanced accuracy, reliability, energy…

信号处理 · 电气工程与系统科学 2024-04-23 Marina Lotti , Nicolò Decarli , Gianni Pasolini , Davide Dardari

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

This paper presents a novel place recognition approach to autonomous vehicles by using low-cost, single-chip automotive radar. Aimed at improving recognition robustness and fully exploiting the rich information provided by this emerging…

机器人学 · 计算机科学 2022-02-18 Kaiwen Cai , Bing Wang , Chris Xiaoxuan Lu

Localization is a key requirement for mobile robot autonomy and human-robot interaction. Vision-based localization is accurate and flexible, however, it incurs a high computational burden which limits its application on many…

机器人学 · 计算机科学 2016-12-30 Ronald Clark , Sen Wang , Hongkai Wen , Niki Trigoni , Andrew Markham

In this work, we propose a novel approach for high accuracy user localization by merging tools from both millimeter wave (mmWave) imaging and communications. The key idea of the proposed solution is to leverage mmWave imaging to construct a…

信息论 · 计算机科学 2018-11-20 Mohammed Aladsani , Ahmed Alkhateeb , Georgios C. Trichopoulos