Transponder (aeronautics) ≈ Transponder (aeronautics)
View article
Challenges of measuring body temperatures of free-ranging birds and mammals Open
The thermal physiology of most birds and mammals is characterised by considerable spatial and temporal variation in body temperature. Body temperature is, therefore, a key parameter in physiological, behavioural and ecological research. Te…
View article
Diplexer-Based Fully Passive Harmonic Transponder for Sub-6-GHz 5G-Compatible IoT Applications Open
International audience
View article
A novel anomaly detection approach to identify intentional AIS on-off switching Open
The Automatic Identification System (AIS) is a ship reporting system based on messages broadcast by vessels carrying an AIS transponder. The recent increase of terrestrial networks and satellite constellations of receivers is making AIS on…
View article
Accurate Vehicle Location System Using RFID, an Internet of Things Approach Open
Modern infrastructure, such as dense urban areas and underground tunnels, can effectively block all GPS signals, which implies that effective position triangulation will not be achieved. The main problem that is addressed in this project i…
View article
Automated recording of home cage activity and temperature of individual rats housed in social groups: The Rodent Big Brother project Open
Measuring the activity and temperature of rats is commonly required in biomedical research. Conventional approaches necessitate single housing, which affects their behavior and wellbeing. We have used a subcutaneous radiofrequency identifi…
View article
An Innovative Harmonic Radar to Track Flying Insects: the Case of Vespa velutina Open
Over the last 30 years, harmonic radars have been effective only in tracking insects flying at low altitude and over flat terrain. We developed an innovative harmonic radar, implementing the most advanced radar techniques, which covers a l…
View article
A system for automatic recording of social behavior in a free-living wild house mouse population Open
Our research focuses on mechanisms that promote and stabilize social behavior, fitness consequences of cooperation, and how interactions with conspecifics structure groups and populations. To this end, we studied wild house mice (Mus muscu…
View article
Monitoring the use of road-crossing structures by arboreal marsupials: insights gained from motion-triggered cameras and passive integrated transponder (PIT) tags Open
Context Wildlife crossing structures are installed to mitigate the impacts of roads on animal populations, yet little is known about some aspects of their success. Many studies have monitored the use of structures by wildlife, but studies …
View article
Two Solutions of Soil Moisture Sensing with RFID for Landslide Monitoring Open
Two solutions for UHF RFID tags for soil moisture sensing were designed and are described in this paper. In the first, two conventional tags (standard transponders) are employed: one, placed close to the soil surface, is the sensor tag, wh…
View article
Design of an harmonic radar for the tracking of the <span>A</span>sian yellow‐legged hornet Open
The yellow‐legged A sian hornet is an invasive species of wasps, indigenous to the S outheast A sia but recently spreading in S outhern E urope. Because of its exponential diffusion and its serious threat to the local honeybee colonies (an…
View article
Monitoring trough visits of growing-finishing pigs with UHF-RFID Open
Automatic monitoring of animal feeding behaviour in commercial farms is desirable as it is an important indicator for the well-being and health of animals. Low-frequency and high-frequency radio frequency identification (RFID) systems have…
View article
Sensing of Life Activities at the Human-Microwave Frontier Open
Modern microwave radar technologies and systems are taking important roles in healthcare, security, and human-machine interface by remote sensing of human life activities. This paper first reviews the developments in the past decade on the…
View article
The 1090 Megahertz riddle: A guide to decoding mode S and ADS-B signals: Second edition Open
Interactive Textbook. In the last twenty years, aircraft surveillance has moved from controller-based interrogation to automatic broadcast. The Automatic Dependent Surveillance-Broadcast (ADS-B) is one of the most common methods for aircra…
View article
OpenConfig and OpenROADM Automation of Operational Modes in Disaggregated Optical Networks Open
OpenConfig and Open ROADM are emerging as the most relevant initiatives to support partial disaggregation, in which the optical line system is provided by a single vendor while transponders can be provided, in pairs, by different vendors. …
View article
Routing, Spectrum, and Transponder Assignment in Elastic Optical Networks Open
Backbone networks are evolving toward Elastic Optical Network (EON) architecture that allows a flexible and efficient use of spectrum resources. Flexibility in EONs is guaranteed also by emerging sliceable bandwidth variable transponders (…
View article
Study on Installation Error Analysis and Calibration of Acoustic Transceiver Array Based on SINS/USBL Integrated System Open
The installation error of USBL acoustic transceiver array is one of the important error sources for the SINS/USBL integrated navigation system. The installation error of USBL transceiver array can be divided into coordinate shift error and…
View article
Efficiency of a nature-like bypass channel for restoring longitudinal connectivity for a river-resident population of brown trout Open
Man-made, physical barriers have disrupted longitudinal connectivity for migratory fish in many river systems throughout the world for centuries. These barriers are considered to be a key reason for the decline of many fish species in rive…
View article
Recent upgrades of the harmonic radar for the tracking of the Asian yellow‐legged hornet Open
The yellow‐legged Asian hornet is an invasive species of wasps, indigenous of the South‐East Asia but quickly spreading in Southern Europe. Because of its exponential diffusion and its serious threat to the local honey bee colonies and to …
View article
Real-time positioning in logging: Effects of forest stand characteristics, topography, and line-of-sight obstructions on GNSS-RF transponder accuracy and radio signal propagation Open
Real-time positioning on mobile devices using global navigation satellite system (GNSS) technology paired with radio frequency (RF) transmission (GNSS-RF) may help to improve safety on logging operations by increasing situational awareness…
View article
Highly Integrable Paper-Based Harmonic Transponder for Low-Power and Long-Range IoT Applications Open
<p>In this letter, the design and performance analysis of a harmonic planar transponder on paper, which conjugates compactness and scalability, are presented. The tag, targeted for a fundamental frequency of 1.2 GHz, is based on a fr…
View article
16.6 Flexible thin-film NFC transponder chip exhibiting data rates compatible to ISO NFC standards using self-aligned metal-oxide TFTs Open
This work demonstrates the fastest NFC transponder IC with flexible thin-film transistors (TFTs) to be implemented in flexible NFC tags which could be the missing link between the Internet-of-Things and the Internet-of-Everything. The Inte…
View article
Real-Time ROADM Filtering Penalty Characterization and Generalized Precompensation for Flexible Grid Networks Open
Concatenated filtering is an important impairment in high-spectral density transmission systems enabled by flexible-grid reconfigurable optical add-drop multiplexers (ROADMs). In this paper, an analytical model for wavelength selective swi…
View article
Modulated Frequency Selective Surfaces for Wearable RFID and Sensor Applications Open
This paper presents a transponder based on a modulated frequency selective surface (FSS) as an alternative based on backscattering communication for wearable applications. The transponder is composed of an array of dipoles loaded with vara…
View article
TurtleCam: A “Smart” Autonomous Underwater Vehicle for Investigating Behaviors and Habitats of Sea Turtles Open
© The Author(s), 2018. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Frontiers in Marine Science 5 (2018): 90, doi:10.3389/fmars.2018.00090.
View article
Opening up ROADMs: Let Us Build a Disaggregated Open Optical Line System Open
At the lowest layer of today's communication networks is an optical line system (OLS), a physical network of equipment, which carries high-frequency analog light signals over thousands of kilometers. Traditionally, an OLS was delivered as …
View article
Platform Tolerant, High Encoding Capacity Dipole Array-Plate Chipless RFID Tags Open
In this paper, we first carry out an in-depth review of the performance parameters of frequency domain chipless RFID transponders in terms of their spatial density, spectral capacity, and comprehensive encoding capacity (bit/lambda2/GHz) c…
View article
Direct and indirect impacts of pumping station operation on downstream migration of critically endangered European eel Open
Downstream passage of European eel Anguilla anguilla (L.) in catchments with pump(s) for water level management is a major concern. Catchment‐wide acoustic telemetry revealed silver eels quickly migrated downstream through unobstructed rea…
View article
A Calibration Method of USBL Installation Error Based on Attitude Determination Open
The Ultra-short baseline (USBL) positioning system has important application in the positioning of underwater vehicles. The installation error angle of the USBL positioning system has an important influence on the positioning accuracy of U…
View article
Tag location and risk assessment for passive integrated transponder‐tagging passerines Open
Understanding changes in body temperature is central to several fields in biology, but determining these changes accurately without harming or restraining individuals can be challenging, particularly for small species. We tested first whet…
View article
High detectability with low impact: Optimizing large PIT tracking systems for cave‐dwelling bats Open
Passive integrated transponder (PIT) tag technology permits the “resighting” of animals tagged for ecological research without the need for physical re‐trapping. Whilst this is effective if animals pass within centimeters of tag readers, s…