This article presents a comprehensive framework for jointly analyzing the angle estimation
error and designing a 3-D positioning algorithm for an Internet of Things (IoT) millimeter …

Embedding the ultra-wideband (UWB) chips inside smartphones makes UWB an attractive
and promising technology for centimeter-level indoor pedestrian tracking. However, the daily …

This paper first presents a comprehensive analysis of Non-Line-of-Sight (NLoS) error cases
in the Ultra-Wideband (UWB) Active-Passive Two-Way Ranging (AP-TWR) protocol. Based …

The effective identification and mitigation of non-line-of-sight (NLOS) ranging errors are
essential for achieving high-precision positioning and navigation with ultra-wideband (UWB) …

A doppler radar holds promising prospects in the field of indoor target localization. However,
traditional Doppler radar systems suffer from high power consumption, large size, and …

Positioning accuracy and efficiency are two important features for embedded positioning
devices of Internet of Things (IoT) in smart cities. In modern urban canyon environments, non …

Ultra-wideband (UWB) is regarded as the technology with the most potential for precise
indoor location due to its centimeter-level ranging capabilities, good time resolution, and low …

This letter introduces a denoising-based two-way ranging (D-TWR) utilizing artificial
intelligence (AI) for an ultra-wideband (UWB) indoor positioning system. The proposed D …

Given that the challenges inherent in complex indoor environments where GPS signals are
often weak, various alternative signals have been employed for indoor positioning. Ultra …

A wideband single-ended-to-differential (S-to-D) low-noise amplifier (LNA) for ultra-
wideband (UWB) wireless sensors and internet-of-things applications is presented. In order …