Abstract
In this paper, a comprehensive survey on thermal and geometric design parameters of composite materials utilized in the fabrication of modern RFID systems has been discussed mainly due to its advantages such as lightweight and high strength. Designing of RF antenna setup requires careful consideration of material, geometric and fabrication parameters. Polymer materials were chosen as the substrate and subjected to extensive studies to determine and predict the capability of the miniaturized RFID antenna. The effect of the polymer matrix composite (PMC) material on the antenna parameters such as gain, bandwidth, and return loss is analyzed and realized that improvement in bandwidth and perfection in impedance matching can be further accomplished by employing fractal structure. It is also discovered that the thermal properties affect the impedance and operating frequencies, thus enabling multilayer PMC deploying fractal structured RFID antennas to be used for many applications such as logistics, aerospace, biomedical, and mining.
Highlights
Recent trends in the field of composites involve vigorous research in composite materials-based radio frequency identification (RFID) antennas
RFID system communicating through antenna includes the substrate sandwiched between the patch and ground plane. e substrate of the RFID antenna can be fabricated using a flexible heat sensitive polymer or a rigid heat retardant polymer based on the user application
Composite absorbing materials can be employed in the RFID antenna as substrate, as well as radiating element to decrease the weight of the antenna, to improve the durability and to enhance the thermal expansion. e objective of the utilization of composite material is to enhance the performances such as gain and directivity, suppressing interferences among the elements of antenna and performing with excellent transmission features in extensive RFID antenna frequency ranges
Summary
Recent trends in the field of composites involve vigorous research in composite materials-based radio frequency identification (RFID) antennas. Due to the extensive properties of carbon-based materials which are highly incorporated in resonators, filters, transmission lines, and high gain antenna designs, Aixin et al communicated on composite metamaterials, exhibiting abundant properties in the microwave starting from 1 GHz to 100 GHz [1]. Composite absorbing materials can be employed in the RFID antenna as substrate, as well as radiating element to decrease the weight of the antenna, to improve the durability and to enhance the thermal expansion. E objective of the utilization of composite material is to enhance the performances such as gain and directivity, suppressing interferences among the elements of antenna and performing with excellent transmission features in extensive RFID antenna frequency ranges. Session 2 initiates with composite materials in RFID as a radiating element and elaborates on antenna substrates.
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