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The biomedical industries have recently shown a great deal of interest in the study of flexible wireless devices. Wearable antennas are vital in medical applications as they enable continuous, real-time monitoring of patient health. In this ...$\mathrm{}\mathrm{}{}^{\mathrm{}}$

Passive IoT localization technology offers significant advantages across various applications due to its self-sustaining, maintenance-free, and low-cost nature. However, existing systems cannot effectively address the multipath problem in real-world ...

This paper proposes a UWB beacon to be installed on trucks carrying unusual loads to warn approaching autonomous vehicles (AVs) of unconventional cargo. We propose several approaches, including one where the AV only receives UWB messages. We plan to use ...

RF sensing has attracted a tremendous amount of attention and achieved promising progress in applications such as human gesture recognition and vital sign monitoring. This paper delves into sensing the moisture level of fabrics---an important metric for ...

Despite extensive research on three-dimensional (3D) indoor positioning algorithms, there remains room for improvement in the optimal placement strategy for four ultra-wideband (UWB) anchors in line-of-sight (LOS) situations. We conducted 20 ...

Ultra-wideband (UWB) devices operate only on a few frequency channels and commonly lack clear channel assessment capabilities: this makes it difficult to support several devices operating concurrently within a single network or to avoid coexistence ...

As the demand for high-speed communication in 5G increases, this article presents a development breakthrough in millimeter-wave spectrum solutions. The focus is on designing an ultra-wideband (UWB) circular patch antenna for 5G millimeter-wave ...$\mathrm{}\mathrm{}\mathrm{}{}^{\mathrm{}}$$\mathrm{}\mathrm{}$$\mathrm{}\mathrm{}\mathrm{}{}^{\mathrm{}}$

Indoor positioning systems and Air Quality (AQ) monitoring play a crucial role in creating smart environments that promote human well-being and sustainable living.This research paper explores the integration of Software-Defined Networking (SDN) ...

Accurate localization of unmanned aerial vehicle (UAV) is critical for navigation in GPS-denied regions, which remains a highly challenging topic in recent research. This article describes a novel approach to multi-sensor hybrid coupled cooperative ...

In the ultra-wideband indoor positioning sceneraio, the non-line of sight (NLOS) propagation may be caused by obstacles, which may lead to the deviation of ranging value and affect the positioning precision. Therefore, we propose a NLOS ...

For real-world applications, autonomous mobile robotic platforms must be capable of navigating safely in a multitude of different and dynamic environments with accurate and robust localization being a key prerequisite. To support further research in this ...

With multi-band rejection characteristics, a new low-profile antenna of size 34 × 34 mm2 is conferred in this article. It consists of quad identical monopole elements (originated orthogonally), contributing ultra-wideband characteristics in the ...

Ultra-Wideband (UWB) technology re-emerges as a groundbreaking ranging technology with its precise micro-location capabilities and robustness. This paper highlights the security dimensions of UWB technology, focusing in particular on the intricacies of ...

Generating art through body-movements has widespread utility spanning several fields including physical rehabilitation post-surgery, to entertainment, to health and well-being. This paper introduces a new modality available for researchers via distance ...

The accurate location of objects and people is central to providing contextual information for various AR/VR applications. We developed XRLoc [2], a compact localization module, sized less than 1 m, which can be integrated with television screens, ...

• A fusion positioning scenario: closed corridor between buildings (With the development of urbanization, the positioning scene is gradually complicated.).
• A novel fusion localization algorithm. (The adaptive factor function is ...

Due to the blocking and reflection of buildings, the received Beidou satellite navigation signal (BDS) in the closed corridor will be getting weaker, which results in poor positioning accuracy or positioning failure. Introducing Ultra-Wide Band (...

This paper presents a detailed design of a broadband power amplifier (PA) utilizing 0.18-μm CMOS technology, operating in the frequency range of 2–5 GHz. This ultra-wideband (UWB) power amplifier uses a cascode topology with current reuse to ...

The trilateration method based on Ultra-Wideband (UWB) technology is widely used in indoor positioning. However, the complexity of indoor environment will affect the transmission of UWB signals, reducing accuracy of trilateration method. ...

A miniature multiple input multiple output (MIMO) ultrawide band (UWB) antenna with dual band notched characteristics is proposed. The proposed MIMO UWB antenna has a microstrip feed line, two slotted rectangular radiating structures, and a ...

In the field of robotics, caregiving robots and personal assistants are assuming an increasingly prominent role, directly impacting human lives. Especially in healthcare domains, these systems are starting to provide continuous 24/7 care by monitoring ...