Radio Localization and Sensing -- Part II: State-of-the-art and Challenges

TL;DR

This paper reviews the latest advances and challenges in radio localization and sensing for mobile systems like 5G and 6G, emphasizing modeling, coverage, and accuracy improvements.

Contribution

It provides a comprehensive overview of state-of-the-art techniques and identifies key challenges in radio localization and sensing for future mobile networks.

Findings

Advances in localization accuracy for 5G and 6G

Identification of modeling and coverage challenges

Insights into future research directions

Abstract

This letter is part of a two-letter tutorial on radio localization and sensing, with a focus on mobile radio systems, i.e., 5G and beyond. Building on Part I, which focused on the fundamentals, here we go deeper into the state-of-the-art advances, as well as 6G, covering enablers and challenges related to modeling, coverage, and accuracy.