Nonline of sight Acoustic fields 1 Acoustic signals 1 Analytical expressions 1 Audio acoustics 1 Central servers 1 Cholesky decomposition 1 Computational modeling 1 Computational modelling 1 Cram\'er-Rao bound 1 Cram\'er-rao bound 1 Frequency estimation 1 Indoor navigation 1 Indoor positioning 1 Indoor positioning systems 1 Induced paths 1 Learning (artificial intelligence) 1 Localisation 1 Localization 1 Location awareness 1 Ma ximum likelihoods 1 Malicious attack 1 Matched field processing 1 Maximum likelihood 1 Maximum-likelihood 1 Monte Carlo method 1 Monte Carlo methods 1 Non-coplanar 1 Optical energy 1 Path loss models 1