Evidence map›Paper›PMID 32899869›Full record

ArticleSensors (Basel, Switzerland)2020

A Recursive Algorithm for Indoor Positioning Using Pulse-Echo Ultrasonic Signals.

Salvatore A Pullano, Maria Giovanna Bianco, Davide C Critello, Michele Menniti, Antonio La Gatta, Antonino S Fiorillo

Abstract readLetter
In one paragraph

Article in Sensors (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

8 citing papers in PubMed.

  1. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Salvatore A PullanoDepartment of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa, 88100 Catanzaro, Italy.ORCID 0000-0003-3391-1698
Maria Giovanna BiancoDepartment of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa, 88100 Catanzaro, Italy.ORCID 0000-0002-2705-8718
Davide C CritelloDepartment of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa, 88100 Catanzaro, Italy.ORCID 0000-0001-6392-5383
Michele MennitiDepartment of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa, 88100 Catanzaro, Italy.
Antonio La GattaLRO-London Research Organization, 207 Regent Street, London W1B3HH, UK.
Antonino S FiorilloDepartment of Health Sciences, University "Magna Græcia" of Catanzaro, Viale Europa, 88100 Catanzaro, Italy.ORCID 0000-0001-6163-7804

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Low frequency ultrasounds in air are widely used for real-time applications in short-range communication systems and environmental monitoring, in both structured and unstructured environments. One of the parameters widely evaluated in pulse-echo ultrasonic measurements is the time of flight (TOF), which can be evaluated with an increased accuracy and complexity by using different techniques. Hereafter, a nonstandard cross-correlation method is investigated for TOF estimations. The procedure, based on the use of template signals, was implemented to improve the accuracy of recursive TOF evaluations. Tests have been carried out through a couple of 60 kHz custom-designed polyvinylidene fluoride (PVDF) hemicylindrical ultrasonic transducers. The experimental results were then compared with the standard threshold and cross-correlation techniques for method validation and characterization. An average improvement of 30% and 19%, in terms of standard error (SE), was observed. Moreover, the experimental results evidenced an enhancement in repeatability of about 10% in the use of a recursive positioning system.

Indexed as

ferroelectric filmspiezopolymerpulse-echo techniquetime of flight estimationultrasonic transducers

Identifiers

PMID32899869
PMCPMC7570980

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.