PLANS 2020, IEEE/ION Position, Location and Navigation Symposium, 20-23 April 2020, Portland, USA
In this paper, estimation of time of arrival (TOA) in multipath environments is tackled as it is considered a real limiting factor in terrestrial and GNSS positioning systems. Novel methods are presented for designing novel near-causal filters and TOA-Matched Filters (TOA-MF) that facilitate estimation of the TOA. Near and far multipath are effectively reduced including in NLOS environments. Post application of the filter, a reduced complexity Maximum Likelihood (ML) estimation of the TOA is proposed. Simulations and field results confirm the efficiency of the proposed solution. This opens the door for optimized multi-technology approaches, which allows cost-effective and ultra-low-power solutions for accurate positioning.
Type:
Conférence
City:
Portland
Date:
2020-04-20
Department:
Systèmes de Communication
Eurecom Ref:
6290
Copyright:
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