Results 51 to 60 of about 4,928 (245)

Positioning aquatic animals with acoustic transmitters

Methods in Ecology and Evolution, 2023
Geolocating aquatic animals with acoustic tags has been ongoing for decades, relying on the detection of acoustic signals at multiple receivers with known positions to calculate a 2D or 3D position, and ultimately recreate the path of an aquatic animal ...
Robert J. Lennox, Kim Aarestrup, Josep Alós, Robert Arlinghaus, Eneko Aspillaga, Michael G. Bertram, Kim Birnie‐Gauvin, Tomas Brodin, Steven J. Cooke, Lotte S. Dahlmo, Félicie Dhellemmes, Karl Ø. Gjelland, Gustav Hellström, Henry Hershey, Christopher Holbrook, Thomas Klefoth, Susan Lowerre‐Barbieri, Christopher T. Monk, Cecilie Iden Nilsen, Ine Pauwels, Renanel Pickholtz, Marie Prchalová, Jan Reubens, Milan Říha, David Villegas‐Ríos, Knut Wiik Vollset, Samuel Westrelin, Henrik Baktoft   +27 more
doaj   +1 more source

Movement Strategies of Neotropical Nectarivorous Birds: Insights From High‐Andean Hummingbirds and Flowerpiercers

Biotropica, Volume 58, Issue 1, January 2026.
Nectar is a highly variable, mostly unpredictable resource in tropical mountains. How do nectarivorous birds such as this male Great Sapphirewing cope? Fine‐scaled tracking of hummingbirds and flowerpiercers shows flexibility in daily movement strategies in the high Andes, possibly in response to fluctuating local conditions such as weather and ...
Cristina Rueda‐Uribe, Pedro A. Camargo‐Martínez, Jonathan Espitia, Manuela Lozano‐Rocha, Juan Pablo Ríos, María Ángela Echeverry‐Galvis, Lesley T. Lancaster, Isabella Capellini, Justin M. J. Travis, Alejandro Rico‐Guevara   +9 more
wiley   +1 more source

RSSI-Based Self-Localization with Perturbed Anchor Positions

, 2017
We consider the problem of self-localization by a resource-constrained mobile node given perturbed anchor position information and distance estimates from the anchor nodes. We consider normally-distributed noise in anchor position information.
Arablouei, Reza, Bergmann, Neil W., Jurdak, Raja, Kumar, Vikram, Kusy, Branislav   +4 more
core   +1 more source

M‐SADR: Mobile Self Adaptive Data Rate for Enhanced LoRa End‐Device Connectivity on the Move

International Journal of Communication Systems, Volume 38, Issue 15, October 2025.
The proposed M‐SADR method targets mobile LoRa end‐devices and achieves better performance, with a 2.4% improvement in packet delivery ratio and a 5.7% reduction in power consumption per successfully delivered packet. ABSTRACT Mobility is a critical aspect of the Internet of Things, reflecting the diverse and dynamic nature of potential applications ...
Vasileios Moysiadis, Panagiotis Radoglou‐Grammatikis, Evangelos Mourikis, Maria Zevgara, Dimitrios N. Skoutas, Charalabos Skianis, Panagiotis Sarigiannidis   +6 more
wiley   +1 more source

Whole Lake Behaviour of Sea‐Run Brown Trout During Pre‐Spawning Months

Ecology of Freshwater Fish, Volume 34, Issue 4, October 2025.
ABSTRACT Sea‐run brown trout use lake habitat extensively when it is available both before and after spawning. However, the ways in which brown trout actually use lakes remain poorly resolved. In Norway, some of these lakes are used as reservoirs for the effluent of high‐head power stations that tunnel mountain water through turbines, discharging the ...
Robert J. Lennox, Lotte Svengård Dahlmo, Cecilie Iden Nilsen, Henrik Baktoft, Knut Wiik Vollset   +4 more
wiley   +1 more source

Learning style preference and critical thinking perception among engineering students [PDF]

, 2018
Engineering education plays a vital role towards modernization of world. Therefore, engineering students need to be nurture with multiple skills like learning preferences and critical thinking skills.
Muhammad Ismail Jamali, Ali Raza Jamali
core  

Localization in Long-range Ultra Narrow Band IoT Networks using RSSI

, 2017
Internet of things wireless networking with long range, low power and low throughput is raising as a new paradigm enabling to connect trillions of devices efficiently.
Chiumento, Alessandro, Pollin, Sofie, Sallouha, Hazem   +2 more
core   +1 more source

Tracking large bees in open landscapes with active radio tags—Advantages and challenges using stationary receivers

Journal of Animal Ecology, Volume 94, Issue 9, Page 1638-1649, September 2025.
Studying the spatial ecology of ecologically relevant species supports the development of effective conservation strategies. Recent technological advancements in remote tracking methods now enable researchers to study large flower‐visiting insects and important pollinators, such as carpenter bees.
Sophie Kratschmer, Markus Milchram, Lukas Landler, Stephan Burgstaller, Magdalena Spießberger, Norbert Schuller, Daniel Gröticke, Henrike Wacker, Valentin Dönz, Anna Planitzer, Florian Ihle, Marcela Suarez‐Rubio, Julia Lanner   +12 more
wiley   +1 more source

Obstruction-Aware Signal-Loss-Tolerant Indoor Positioning Using Bluetooth Low Energy

Sensors, 2021
Indoor positioning is getting increased attention due to the availability of larger and more sophisticated indoor environments. Wireless technologies like Bluetooth Low Energy (BLE) may provide inexpensive solutions. In this paper, we propose obstruction-
Aybars Kerem Taşkan, Hande Alemdar
doaj   +1 more source

RSSI-based Localization Algorithms using Spatial Diversity in Wireless Sensor Networks [PDF]

, 2015
Accepted for publication in International Journal of Ad Hoc and Ubiquitous Computing (IJAHUC)International audienceMany localization algorithms in Wireless Sensor Networks (WSNs) are based on received signal strength indication (RSSI).
Benslimane, Abderrahim, Hamdoun, Safa, Rachedi, Abderrezak   +2 more
core   +5 more sources