2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information

2021 IEEE International Conference on Acoustics, Speech and Signal Processing

6-11 June 2021 • Toronto, Ontario, Canada

Extracting Knowledge from Information
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Paper Detail

Paper IDSAM-12.3
Paper Title MUG : A MULTIPATH-EXPLOITED AND GRID-FREE LOCALISATION METHOD
Authors Hengyan Liu, Wei Dai, Imperial College London, United Kingdom; Yuan Shen, Tsinghua University, China
SessionSAM-12: Tracking and Localization
LocationGather.Town
Session Time:Friday, 11 June, 14:00 - 14:45
Presentation Time:Friday, 11 June, 14:00 - 14:45
Presentation Poster
Topic Sensor Array and Multichannel Signal Processing: [SAM-DOAE] Direction of arrival estimation and source localization
IEEE Xplore Open Preview  Click here to view in IEEE Xplore
Abstract Typical methods for localisation in multipath environments focus on separating line-of-sight (LoS) from non-line-of-sight (NLoS) paths and only using LoS paths for localisation. A few works exploit NLoS paths but the methods are designed for some special settings. This paper presents a localisation method in which both LoS and NLoS paths are exploited for much more general settings. Its core is a convex optimisation formulation which handles multipath in a unified way, avoids error propagation between multiple stages, and guarantees a global convergence. In one of the case studies, single-antenna access points (APs) can locate a single-antenna mobile device (MD) even when all paths between them are NLoS, which according to the authors' knowledge is the first time in the literature.