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Standards Development
This part of IEC 63203-202-2 specifies terminology, test configurations, and measurement methods for evaluating the performance of e-textile antennas and communication systems under wearable deformation conditions. The methods described in this document ar e intended to characterize antenna and communication performance during fabric stretching and other mechanical deformations encountered in use. This document is applicable to high -frequency (HF) and ultra- high-frequency (UHF) antennas (NFC and RFID) integr ated into textile and fabric-based substrates.
Existing international standards for RFID and NFC systems, including ISO/IEC 14443, ISO/IEC 15693, and ISO/IEC 18000-63, specify communication interfaces, protocol requirements, and system performance. Existing antenna measurement standards were primarily developed for rigid, flexible-film, or printed electronic antennas and are generally performed under static laboratory conditions.
However, these standards do not address the unique requirements of textile -integrated antennas used in wearable electronic devices. E-textile antennas are subjected to stretching, bending, folding, draping, and repeated body movements during use. These mec hanical deformations can significantly influence antenna geometry, impedance matching, resonant frequency, radiation characteristics, and communication performance.
Currently, no standardized method exists for evaluating the performance of textile -integrated HF and UHF antennas under representative wearable deformation conditions. Consequently, different laboratories and manufacturers employ different test procedures, making comparison of results difficult and limiting technology development and commercialization.
This standard is therefore required to establish harmonized terminology, test configurations, deformation conditions, and performance evaluation methods for e -textile antennas and communication systems. The proposed methods will support consistent assessme nt of antenna functionality and reliability under realistic wearable conditions and complement existing HF and UHF communication standards and wearable electronic device standards.
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