ArticleSensors (Basel, Switzerland)2021
A Wearable Button Antenna Sensor for Dual-Mode Wireless Information and Power Transfer.
Article in Sensors (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Compact AMC-Backed Flexible UHF RFID Tag Antenna for On-Body Biomedical Applications.Sensors (Basel, Switzerland) · 2026Article
- High-Precision Bi-Directional Beam-Pointing Measurement Method Based on Space Solar Power Station System.Sensors (Basel, Switzerland) · 2024Article
- Microwave Dual-Crack Sensor with a High Q-Factor Using the TEMicromachines · 2023Article
- A Miniaturized Full-Ground Dual-Band MIMO Spiral Button Wearable Antenna for 5G and Sub-6 GHz Communications.Sensors (Basel, Switzerland) · 2023Article
- Design and Evaluation of a Button Sensor Antenna for On-Body Monitoring Activity in Healthcare Applications.Micromachines · 2022Article
- Compact Dual-Band Antenna with Paired L-Shape Slots for On- and Off-Body Wireless Communication.Sensors (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
A novel wearable button antenna sensor is proposed for the concept of simultaneous wireless information and power transfer (SWIPT). This integrates two working modes for the transfer of power and information, respectively, and optimizes transfer efficiency. An omni-directional radiation pattern is achieved in the 3.5 GHz World Interoperability for Microwave Access (WiMAX) band to support on-body wireless communications, while a circularly polarized broadside radiation pattern is obtained in the 5 GHz wireless local area networks (WLAN) band to harvest power. The measured -10 dB return loss bandwidths are 4.0% (3.47-3.61 GHz) in the lower band, and 25.0% (4.51-5.80 GHz) in the higher band, respectively. An artificial magnetic conductor (AMC) structure with wideband characteristics is applied to obtain a low-profile design and to increase the stability of the antenna sensor. A high radiation efficiency of over 80% in the whole working band is observed. The specific absorption rate (SAR) of the proposed antenna sensor is below 0.509 W/kg at 3.55 GHz, and below 0.0532 W/kg at 5.5 GHz, respectively, which is much lower than the European standard threshold of 2 W/kg. All these characteristics make the designed antenna sensor suitable for on-body information transmission and off-body energy harvesting. The antenna sensor has been prototyped. Simulations and measurements agree well, proving the validity of the new concept.
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Registered trials
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