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Related papers: Robust NLoS Localization in 5G mmWave Networks: Da…

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Artificial intelligence and data-driven networks will be integral part of 6G systems. In this article, we comprehensively discuss implementation challenges and need for architectural changes in 5G radio access networks for integrating…

Networking and Internet Architecture · Computer Science 2021-08-26 M. Majid Butt , Anna Pantelidou , István Z. Kovács

In this work, we investigate user equipment (UE) positioning assisted by deep learning (DL) in 5G and beyond networks. As compared to state of the art positioning algorithms used in today's networks, radio signal fingerprinting and machine…

Networking and Internet Architecture · Computer Science 2020-01-07 M Majid Butt , Anil Rao , Daejung Yoon

Simultaneous localization and mapping (SLAM) is a key technology that provides user equipment (UE) tracking and environment mapping services, enabling the deep integration of sensing and communication. The millimeter-wave (mmWave)…

Information Theory · Computer Science 2023-05-23 Jie Yang , Chao-Kai Wen , Jing Xu , Hang Que , Haikun Wei , Shi Jin

5G new radio (NR) provides new opportunities for accurate positioning from a single reference station: large bandwidth combined with multiple antennas, at both the base station and user sides, allows for unparalleled angle and delay…

Signal Processing · Electrical Eng. & Systems 2019-01-08 Henk Wymeersch , Nil Garcia , Hyowon Kim , Gonzalo Seco-Granados , Sunwoo Kim , Fuxi Wen , Markus Fröhle

The vivid success of the emerging wireless sensor technology (WSN) gave rise to the notion of localization in the communications field. Indeed, the interest in localization grew further with the proliferation of the wireless sensor network…

Signal Processing · Electrical Eng. & Systems 2018-07-23 Hadeel Elayan , Raed Shubair

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 capability to achieve high-precision positioning accuracy has been considered as one of the most critical requirements for vehicle-to-everything (V2X) services in the fifth-generation (5G) cellular networks. The non-line-of-sight (NLOS)…

Signal Processing · Electrical Eng. & Systems 2021-02-23 Abdurrahman Fouda , Ryan Keating , Amitava Ghosh

This paper tackles the challenge of accurate positioning in Non-Line-of-Sight (NLoS) environments, with a focus on indoor public safety scenarios where NLoS bias severely impacts localization performance. We explore Diffraction MultiPath…

Signal Processing · Electrical Eng. & Systems 2025-09-05 Gaurav Duggal , Anand M. Kumar , R. Michael Buehrer , Harpreet S. Dhillon , Nishith Tripathi , Jeffrey H. Reed

Device-free fall detection utilizing WiFi Channel State Information (CSI) has emerged as a promising, privacy-preserving solution for elderly health monitoring in the Internet of Things (IoT) era. However, existing deep learning approaches…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Yingzhe Wang , Cunhua Pan , Ruijing Liu , Shaokai Li , Hong Ren , Kezhi Wang , Jiangzhou Wang

In this article, we address the prospects and key enabling technologies for highly efficient and accurate device positioning and tracking in 5G radio access networks. Building on the premises of ultra-dense networks as well as on the…

Information Theory · Computer Science 2016-11-28 Mike Koivisto , Mário Costa , Janis Werner , Kari Heiska , Jukka Talvitie , Kari Leppänen , Visa Koivunen , Mikko Valkama

Position-aided beam selection methods have been shown to be an effective approach to achieve high beamforming gain while limiting the overhead and latency of initial access in millimeter wave (mmWave) communications. Most research in the…

Signal Processing · Electrical Eng. & Systems 2021-10-14 Sajad Rezaie , Elisabeth de Carvalho , Carles Navarro Manchón

This paper introduces a novel framework for high-accuracy outdoor user equipment (UE) positioning that applies a conditional generative diffusion model directly to high-dimensional massive MIMO channel state information (CSI). Traditional…

Networking and Internet Architecture · Computer Science 2025-10-17 Taekyun Lee , Tommaso Balercia , Heasung Kim , Hyeji Kim , Jeffrey G. Andrews

The sparsity of millimeter wave (mmWave) channels in the angular and temporal domains is beneficial to channel estimation, while the associated channel parameters can be utilized for localization. However, line-of-sight (LoS) blockage poses…

Signal Processing · Electrical Eng. & Systems 2024-02-27 Kunlun Li , Jiguang He , Mohammed El-Hajjar , Lie-Liang Yang

One strategy to obtain user location information in a wireless network operating at millimeter wave (mmWave) is based on the exploitation of the geometric relationships between the channel parameters and the user position. These…

Signal Processing · Electrical Eng. & Systems 2025-03-11 Yun Chen , Nuria González-Prelcic , Takayuki Shimizu , Hongsheng Lu

Global Navigation Satellite Systems typically perform poorly in urban environments, where the likelihood of line-of-sight conditions between devices and satellites is low. Therefore, alternative location methods are required to achieve good…

Machine Learning · Computer Science 2023-04-11 Çağkan Yapar , Ron Levie , Gitta Kutyniok , Giuseppe Caire

Among the various Ultra-wideband (UWB) ranging methods, the absence of uplink communication or centralized computation makes downlink time-difference-of-arrival (DL-TDOA) localization the most suitable for large-scale industrial…

Signal Processing · Electrical Eng. & Systems 2024-02-19 Sagnik Bhattacharya , Junyoung Choi , Joohyun Lee

Localization of robots is vital for navigation and path planning, such as in cases where a map of the environment is needed. Ultra-Wideband (UWB) for indoor location systems has been gaining popularity over the years with the introduction…

Robotics · Computer Science 2022-06-23 Muhammad Shalihan , Ran Liu , Chau Yuen

The fifth-generation (5G) wireless communication is useful for positioning due to its large bandwidth and low cost. However, the presence of obstacles that block the line-of-sight (LOS) path between devices would affect localization…

Signal Processing · Electrical Eng. & Systems 2022-08-17 Jiankun Zhang , Hao Wang

In 5G networks, non-orthogonal multiple access (NOMA) provides a number of benefits by providing uneven power distribution to multiple users at once. On the other hand, effective power allocation, successful successive interference…

Networking and Internet Architecture · Computer Science 2024-12-02 Sumita Majhi , Pinaki Mitra

Deep neural networks (DNNs) have become a popular approach for wireless localization based on channel state information (CSI). A common practice is to use the raw CSI in the input and allow the network to learn relevant channel…

Signal Processing · Electrical Eng. & Systems 2022-12-07 Artan Salihu , Stefan Schwarz , Markus Rupp