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This paper presents a tool for the analysis, and simulation of direction-of-arrival (DOA) estimation in wireless mobile communication systems over the fading channel. It reviews two methods of Direction of arrival (DOA) estimation…

Networking and Internet Architecture · Computer Science 2011-12-12 A. V. Meenakshi , V. Punitham , R. Kayalvizhi , S. Asha

Multi-path sensing, which aims to extract the geometric attributes of multiple propagation paths, is expected to be a key functionality of 6G. A movable antenna (MA) can enable this functionality by creating a synthetic aperture through…

Information Theory · Computer Science 2026-04-14 Jaehong Kim , Jihong Park , Changsheng You , Seung-Woo Ko

Traditional visible light positioning (VLP) systems estimate receivers' coordinates based on the known light-emitting diode (LED) coordinates. However, the LED coordinates are not always known accurately. Because of the structural changes…

Signal Processing · Electrical Eng. & Systems 2021-09-10 Kehan Zhang , Zaichen Zhang , Bingcheng Zhu

Unmanned Aerial Vehicles (UAVs) are increasingly used as cost-effective and flexible Wi-Fi Access Points (APs) and cellular Base Stations (BSs) to enhance Quality of Service (QoS). In disaster management scenarios, UAV-based networks…

Networking and Internet Architecture · Computer Science 2024-06-04 Kamran Shafafi , André Coelho , Rui Campos , Manuel Ricardo

Emerging wireless applications are requiring ever more accurate location-positioning from sensor measurements. In this paper, we develop sensor selection strategies for 3D wireless positioning based on time of arrival (TOA) and received…

Signal Processing · Electrical Eng. & Systems 2025-10-01 Myeung Suk Oh , Seyyedali Hosseinalipour , Taejoon Kim , David J. Love , James V. Krogmeier , Christopher G. Brinton

This paper proposes an unmanned aerial vehicle (UAV)-based distributed sensing framework that uses frequency-division multiplexing (OFDM) waveforms to detect the position of a ground target under half-duplex operation. The area of interest,…

Signal Processing · Electrical Eng. & Systems 2023-02-22 Xavier A. Flores Cabezas , Diana P. Moya Osorio , Markku Juntti

Localization in 5G and 6G networks is essential for important use cases such as intelligent transportation, smart factories, and smart cities. Although deep learning has enabled improving localization accuracy, depending on the deployment…

Machine Learning · Computer Science 2026-05-07 Bac Trinh-Nguyen , Sara Berri , Sin G. Teo , Tram Truong-Huu , Arsenia Chorti

In this paper, we propose a resource-efficient approach to provide an autonomous UAV with an on-board perception method to detect safe, hazard-free landing sites during flights over complex 3D terrain. We aggregate 3D measurements acquired…

Integrated sensing and communication (ISAC) in wireless systems has emerged as a promising paradigm, offering the potential for improved performance, efficient resource utilization, and mutually beneficial interactions between radar sensing…

Signal Processing · Electrical Eng. & Systems 2024-04-02 Salmane Naoumi , Ahmad Bazzi , Roberto Bomfin , Marwa Chafii

Movable antenna (MA) technology exhibits great promise for enhancing the sensing capabilities of future sixth-generation (6G) networks due to its capability to alter antenna array geometry. With the growing prevalence of near-field…

Information Theory · Computer Science 2025-12-30 Yushen Wang , Weidong Mei , Xin Wei , Ya Fei Wu , Zhi Chen , Boyu Ning

High-accuracy positioning has become a fundamental enabler for intelligent connected devices. Nevertheless, the present wireless networks still rely on model-driven approaches to achieve positioning functionality, which are susceptible to…

Signal Processing · Electrical Eng. & Systems 2025-01-03 Shengheng Liu , Xingkang Li , Zihuan Mao , Peng Liu , Yongming Huang

In this paper, a fifth order propagator operators are proposed for estimating the Angles Of Arrival (AOA) of narrowband electromagnetic waves impinging on antenna array when its number of sensors is larger than the number of radiating…

Information Theory · Computer Science 2015-03-17 Youssef Khmou , Said Safi

Accurate and ubiquitous localization is crucial for a variety of applications such as logistics, navigation, intelligent transport, monitoring, control, and also for the benefit of communications. Exploiting millimeter-wave (mmWave) signals…

Signal Processing · Electrical Eng. & Systems 2022-12-02 Mohammad A. Nazari , Gonzalo Seco-Granados , Pontus Johannisson , Henk Wymeersch

The problem of direction-of-arrival (DOA) estimation in the presence of nonuniform sensor noise is considered and a novel algorithm is developed. The algorithm consists of three phases. First, the diagonal nonuniform sensor noise covariance…

Signal Processing · Electrical Eng. & Systems 2021-10-01 Majdoddin Esfandiari , Sergiy A. Vorobyov

With the emergence of simultaneous localization and communication (SLAC), it becomes more and more attractive to perform angle of departure (AoD) estimation at the receiving Internet of Thing (IoT) user end for improved positioning…

Signal Processing · Electrical Eng. & Systems 2025-04-22 Jiaying Li , Yuanwei Liu , Hong Xing

A novel near-field integrated sensing and communications framework for secure unmanned aerial vehicle (UAV) networks with high time efficiency is proposed. A ground base station (GBS) with large aperture size communicates with one…

Signal Processing · Electrical Eng. & Systems 2025-08-18 Jingjing Zhao , Songtao Xue , Kaiquan Cai , Xidong Mu , Yuanwei Liu , Yanbo Zhu

The following paper presents an adaptive anchor pairs selection method for ultra-wideband (UWB) Time Difference of Arrival (TDOA) based positioning systems. The method divides the area covered by the system into several zones and assigns…

Robotics · Computer Science 2024-04-09 Marcin Kolakowski

Utilizing millimeter-wave (mmWave) frequencies for wireless communication in \emph{mobile} systems is challenging since it requires continuous tracking of the beam direction. Recently, beam tracking techniques based on channel sparsity…

Signal Processing · Electrical Eng. & Systems 2020-01-07 Daoud Burghal , Naveed A. Abbasi , Andreas F. Molisch

Location fingerprint (LF) has been widely applied in indoor positioning. However, the existing studies on LF mostly focus on the fingerprint of WiFi below 6 GHz, bluetooth, ultra wideband (UWB), etc. The LF with millimeter-wave (mmWave) was…

Information Theory · Computer Science 2021-03-01 Zhiqing Wei , Yadong Zhao , Xinyi Liu , Zhiyong Feng

Integrated Sensing and Communications (ISAC) is emerging as a key paradigm for future Sixth-Generation (6G) networks, with communication-centric designs favored for their compatibility with existing standards. Communication signals contain…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Mathieu Reniers , Martin Willame , Jérôme Louveaux , Luc Vandendorpe
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