Results 61 to 70 of about 123,667 (246)

Double Loop Inductive Feed Patch Antenna Design for Antimetal UHF RFID Tag

open access: yesInternational Journal of Antennas and Propagation, 2019
Planar UHF RFID antimetal tag can be widely used for the metallic products or packages with metal material inside. A double loop inductive feed planar patch antenna is proposed for UHF RFID tag mounted on metallic objects.
Lingfei Mo, Chenyang Li
doaj   +1 more source

Design of a compact broadband circularly polarized RFID antenna

open access: yesGong-kuang zidonghua, 2015
For problem that existing circularly polarized antenna is difficult to meet requirements of broadband and miniaturized application simultaneously, a compact broadband circularly polarized RFID antenna for global ultrahigh frequency(UHF) RFID read-write ...
HUANG Kai, ZHANG Ran, BEI Lulu
doaj   +1 more source

Do We Really Need Frequency‐Selective Surface and Metasurface Reflectors for Antenna Gain Enhancement, or Are Metallic Reflectors Enough?

open access: yesInternational Journal of Antennas and Propagation, Volume 2026, Issue 1, 2026.
Enhancing antenna gain remains a key requirement in modern wireless systems, particularly with the rapid evolution of 5G, emerging 6G networks, satellite links, and high‐resolution radar. Recent research trends increasingly rely on frequency‐selective surfaces (FSSs) and metasurface‐based reflectors, which offer precise electromagnetic wave control ...
A. J. A. Al-Gburi, Mohammad Rezwan Habib
wiley   +1 more source

Promoting Medication Adherence in the Elderly: Factors and Insights From a Cross‐Sectional Study

open access: yesAGING MEDICINE, Volume 8, Issue 6, Page 523-555, December 2025.
The present study reviewed the factors of medication adherence in the elderly. By understanding these factors, we can develop targeted strategies to promote better medication adherence, ultimately improving health outcomes for this population. ABSTRACT Objectives This study reviewed the factors involved in medication adherence among the elderly.
Shokofeh Afkhami   +3 more
wiley   +1 more source

Electromagnetic Characterization of UHF-RFID Fixed Reader in Healthcare Centers Related to the Personal and Labor Health

open access: yesIEEE Access, 2022
Hospitals and healthcare centers are experiencing a remarkable implementation of new systems based on wireless communications technologies. Many of these systems provide location services and identification of materials, instrumentation and even patients,
Victoria Ramos   +10 more
doaj   +1 more source

Design and implementation of ultra high frequency 921 MHz reader antenna for indoor propagation / Syamimi Mohd Norzeli [PDF]

open access: yes, 2018
In recent years, Radio Frequency Identification (RFID) technology is highly demanded in various applications, requiring a rapid development in the RFID technology.
Mohd Norzeli, Syamimi
core  

Skin‐Integrated Wearable Electronics: A Dual‐Interface Perspective

open access: yesSmartSys, Volume 1, Issue 4, December 2025.
ABSTRACT Skin‐integrated wearable electronics enable continuous, medical‐grade monitoring and therapy in daily life, but must balance conflicting needs related to mechanics, power, and communication. This review uses a dual‐interface approach that separates the sensor–receiver interface, which handles wireless data and energy transfer, from the sensor ...
Fuying Dong   +4 more
wiley   +1 more source

Case Study on Recording Pigs’ Daily Activity Patterns with a UHF-RFID System

open access: yesAgriculture, 2020
The main objective of this paper is the monitoring of daily activity patterns of fattening pigs at different locations in the housing environment using UHF-RFID.
Anita Kapun, Felix Adrion, Eva Gallmann
doaj   +1 more source

Spatial Identification Methods and Systems for RFID Tags [PDF]

open access: yes, 2013
Disertační práce je zaměřena na metody a systémy pro měření vzdálenosti a lokalizaci RFID tagů pracujících v pásmu UHF. Úvod je věnován popisu současného stavu vědeckého poznání v oblasti RFID prostorové identifikace a stručnému shrnutí problematiky ...
Povalač, Aleš
core  

Critical care resources in surge response: towards real‐time situation awareness

open access: yesJournal of the Royal Society of New Zealand, Volume 55, Issue 6, Page 1757-1775, December 2025.
ABSTRACT In large‐scale emergencies and disasters, real‐time situation awareness around health resources can be lifesaving. Understanding the situation at hand, the pressing needs and the actions needed often using information systems that require manual data entry.
Reem Abbas   +4 more
wiley   +1 more source

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