A5033860704- Indoor and Outdoor Localization Technologies
- Millimeter-Wave Propagation and Modeling
- Advanced Wireless Communication Technologies
- Underwater Vehicles and Communication Systems
- Advanced MIMO Systems Optimization
- Advanced Wireless Communication Techniques
- Optical Network Technologies
- Target Tracking and Data Fusion in Sensor Networks
- Distributed Sensor Networks and Detection Algorithms
- Wireless Communication Networks Research
- Error Correcting Code Techniques
- Vehicular Ad Hoc Networks (VANETs)
- Robotics and Sensor-Based Localization
- Advanced Photonic Communication Systems
- Radar Systems and Signal Processing
- Energy Efficient Wireless Sensor Networks
- Antenna Design and Analysis
- Traffic control and management
- Cooperative Communication and Network Coding
- Direction-of-Arrival Estimation Techniques
- Radio Wave Propagation Studies
- Power Line Communications and Noise
- Satellite Communication Systems
- Wireless Networks and Protocols
- Autonomous Vehicle Technology and Safety
Chalmers University of Technology
2016-2025
Tampere University
2021-2024
Informa (United Kingdom)
2023
Politecnico di Milano
2023
Hanyang University
2022
Institut d'Électronique et des Technologies du numéRique
2022
Université de Rennes
2022
University College London
2022
Southern University of Science and Technology
2022
Université Paris-Saclay
2022
Location-aware technologies will revolutionize many aspects of commercial, public service, and military sectors, are expected to spawn numerous unforeseen applications. A new era highly accurate ubiquitous location-awareness is on the horizon, enabled by a paradigm cooperation between nodes. In this paper, we give an overview cooperative localization approaches apply them ultrawide bandwidth (UWB) wireless networks. UWB transmission technology particularly attractive for short- medium-range...
The availability of positional information is great importance in many commercial, governmental, and military applications. Localization commonly accomplished through the use radio communication between mobile devices (agents) fixed infrastructure (anchors). However, precise determination agent positions a challenging task, especially harsh environments due to blockage or limited anchor deployment. In these situations, cooperation among agents can significantly improve localization accuracy...
Sensor networks can benefit greatly from location-awareness, since it allows information gathered by the sensors to be tied their physical locations. Ultra-wide bandwidth (UWB) transmission is a promising technology for location-aware sensor networks, due its power efficiency, fine delay resolution, and robust operation in harsh environments. However, presence of walls other obstacles presents significant challenge terms localization, as they result positively biased distance estimates. We...
Fifth-generation (5G) networks will be the first generation to benefit from location information that is sufficiently precise leveraged in wireless network design and optimization. We argue can aid addressing several of key challenges 5G, complementary existing planned technological developments. These include an increase traffic number devices, robustness for mission-critical services, a reduction total energy consumption latency. This article gives broad overview growing research area...
5G technologies present a new paradigm to provide connectivity vehicles, in support of high data-rate services, complementing existing inter-vehicle communication standards based on IEEE 802.11p. As we argue, the specific signal characteristics turn out be highly conducive for vehicle positioning. Hence, can work synergy with on-vehicle positioning and mapping systems redundancy certain applications, particular automated driving. This article provides an overview evolution cellular discusses...
Herein, we focus on convergent 6G communication, localization and sensing systems by identifying key technology enablers, discussing their underlying challenges, implementation issues, recommending potential solutions. Moreover, discuss exciting new opportunities for integrated applications, which will disrupt traditional design principles revolutionize the way live, interact with our environment, do business. Regarding enabling technologies, continue to develop towards even higher frequency...
Large-scale MIMO systems are well known for their advantages in communications, but they also have the potential providing very accurate localization, thanks to high angular resolution. A difficult problem arising indoors and outdoors is localizing users over multipath channels. Localization based on angle of arrival (AOA) generally involves a two-step procedure, where signals first processed obtain user's AOA at different base stations, followed by triangulation determine position. In...
Antenna array technology enables the directional transmission and reception of wireless signals for communication, localization, sensing purposes. The signal processing algorithms that underpin it began to be developed several decades ago <xref ref-type="bibr" rid="ref1" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">[1]</xref> , but was with deployment 5G mobile networks became mainstream rid="ref2"...
Location-awareness is becoming increasingly important in wireless networks. Indoor localization can be enabled through wideband or ultra-wide bandwidth (UWB) transmission, due to its fine delay resolution and obstacle-penetration capabilities. A major hurdle the presence of obstacles that block line-of-sight (LOS) path between devices, affecting ranging performance and, turn, accuracy. Many techniques have been proposed address this issue, most which make modifications algorithm. Since many...
5G radio for millimeter-wave (mm-wave) and beyond5G concepts at 0.1-1 THz can exploit angle delay measurements localization through an increased bandwidth large antenna arrays, but they are limited in terms of blockage caused by obstacles. Reconfigurable intelligent surfaces (RISs) seen as a transformative technology that control the physical propagation environment which embedded passively reflecting waves preferred directions actively sensing this receive transmit modes. While such RISs...
In this paper, we present the Cooperative Adaptive Cruise Control (CACC) architecture, which was proposed and implemented by team from Chalmers University of Technology, Göteborg, Sweden, that joined Grand Driving Challenge (GCDC) in 2011. The CACC architecture consists following three main components, are described detail: 1) communication; 2) sensor fusion; 3) control. Both simulation experimental results provided, demonstrating system can drive within a vehicle platoon while minimizing...
A reconfigurable intelligent surface (RIS) can shape the radio propagation environment by virtue of changing impinging electromagnetic waves towards any desired directions, thus, breaking general Snell's reflection law. However, optimal control RIS requires perfect channel state information (CSI) individual channels that link base station (BS) and mobile (MS) to each other via RIS. Thereby super-resolution (parameter) estimation needs be efficiently conducted at BS or MS with CSI feedback...
Emerging communication network applications including fifth-generation (5G) cellular and the Internet-of-Things (IoT) will almost certainly require location information at as many nodes possible. Given energy requirements lack of indoor coverage Global Positioning System (GPS), collaborative localization appears to be a powerful tool for such networks. In this paper, we survey state art in with an eye toward 5G IoT applications. particular, discuss theoretical limits, algorithms, practical...
Location-aware communication systems are expected to play a pivotal part in the next generation of mobile networks. Therefore, there is need understand localization limits these networks, particularly, using millimeter-wave technology (mm-wave). Towards that, we address uplink and downlink terms 3D position orientation error bounds for mm-wave multipath channels. We also carry out detailed analysis dependence on different system parameters. Our key findings indicate that behave differently...
While 5G is being deployed and the economy society begin to reap associated benefits, research development community starts focus on next, 6th Generation (6G) of wireless communications. Although there are papers available in literature visions, requirements technical enablers for 6G from various academic perspectives, a lack joint industry work towards 6G. In this paper consolidated view vision, values, use cases key enabling technologies leading stakeholders academia presented. The authors...
Various visions of the forthcoming sixth generation (6G) networks point toward flexible connect-and-compute technologies to support future innovative services and corresponding use cases. 6G should be able accommodate ever evolving heterogeneous applications, regulations, diverse user-, service-, location-based requirements. A key element building smart energy sustainable wireless systems beyond 5G is reconfigurable intelligent surface (RIS), which offers programmable control shaping...
Millimeter-wave (mm-wave) signals and large antenna arrays are considered enabling technologies for future 5G networks. While their benefits achieving high-data rate communications well-known, potential advantages accurate positioning largely undiscovered. We derive the Cramér-Rao bound (CRB) on position rotation angle estimation uncertainty from mm-wave a single transmitter, in presence of scatterers. also present novel two-stage algorithm that attains CRB average to high signal-to-noise...
The concept of reconfigurable intelligent surface (RIS) has been proposed to change the propagation electromagnetic waves, e.g., reflection, diffraction, and refraction. To accomplish this goal, phase values discrete RIS units need be optimized. In paper, we consider RIS-aided millimeter-wave (mmWave) multiple-input multiple-output (MIMO) systems for both accurate positioning high data-rate transmission. We propose an adaptive shifter design based on hierarchical codebooks feedback from...
Millimeter-wave (mmWave) multiple-input multiple-output (MIMO) system for the fifth generation (5G) cellular communications can also enable single-anchor positioning and object tracking due to its large bandwidth inherently high angular resolution. In this paper, we introduce newly invented concept, intelligent surface (LIS), mmWave systems, study theoretical performance bounds (i.e., Cramér-Rao lower bounds) positioning, evaluate impact of number LIS elements value phase shifters on...
This white paper explores future localization and sensing opportunities for beyond 5G wireless communication systems by identifying key technology enablers discussing their underlying challenges, implementation issues, potential solutions. In addition, we present exciting new applications, which will disrupt traditional design principles revolutionize the way live, interact with our environment, do business. Following trend initiated in NR systems, 6G continue to develop towards even higher...
Terahertz (THz) communications are celebrated as key enablers for converged localization and sensing in future sixth-generation (6G) wireless communication systems beyond. Instead of being a byproduct the system, 6G is indispensable location-aware communications. Towards this end, we aim to identify prospects, challenges, requirements THz techniques. We first review history trends methods discuss their objectives, constraints, applications contemporary systems. then detail latest advances...
We consider the problem of time-frequency waveform design for an OFDM dual-functional radar-communications (DFRC) system that communicates with receiver while simultaneously estimating target parameters using backscattered signals. In particular, goal is to achieve a favorable performance trade-off between radar and communications by optimizing subcarrier powers in region interest. First, we focus on radar-optimal minimize Cramér-Rao bound (CRB) delay-Doppler estimation subject integrated...
The design of 6th Generation (6G) wireless networks points towards flexible connect-and-compute technologies capable to support innovative services and use cases. Targeting the 2030 horizon, 6G are poised pave way for sustainable human-centered smart societies vertical industries, such that will be transformed into a distributed connectivity infrastructure, where new terminal types embedded in daily environment. In this context, RISE-6G project aims at investigating solutions capitalize on...
Exploiting wavefront curvature enables localization with limited infrastructure and hardware complexity. With the introduction of reconfigurable intelligent surfaces (RISs), new opportunities arise, in particular when RIS is functioning as a lens receiver. We investigate transmitter using RIS-based close proximity to single receive antenna element attached reception radio frequency chain. perform Fisher information analysis, evaluate impact different configurations, propose two-stage...