{"id":1039,"date":"2026-06-19T15:33:35","date_gmt":"2026-06-19T15:33:35","guid":{"rendered":"https:\/\/els-journal.net\/wp\/about\/"},"modified":"2026-06-25T06:56:54","modified_gmt":"2026-06-25T06:56:54","slug":"30105-design-and-implementation-of-polyester-based-textile-antenna-for-smart-clothing","status":"publish","type":"page","link":"https:\/\/els-journal.net\/wp\/?page_id=1039","title":{"rendered":"30105 Design and Implementation of Polyester-Based Textile Antenna for Smart Clothing"},"content":{"rendered":"\n\n\n

Vol. 30, No. 1 – June 2026<\/h3>\n

Design and Implementation of Polyester-Based Textile Antenna for Smart Clothing<\/h3>\n

https:\/\/doi.org\/10.53314\/ELS2630039I<\/h5>\n
Md. Samiul Islam and Abu Zafor Md. Touhidul Islam<\/h5>\n
Abstract<\/b><\/h5>\n
In the present study, a newly designed polyester substrate-based textile microstrip patch antenna operating in the <\/span>3.5 GHz band is proposed for smart clothing in broadband wireless <\/span>applications. The motivation behind this work stems from the <\/span>lack of comprehensive studies that address all critical aspects\u2014including <\/span>off-body performance, fabrication, testing, on-body evaluation, <\/span>bending analysis, and SAR assessment\u2014while specifically <\/span>focusing on polyester textile antenna designs for the 3.5 GHz <\/span>band in next-generation wearable systems. The antenna of small <\/span>dimension 30\u00d720\u00d70.8 mm\u00b3 is designed and simulated in CST, followed <\/span>by prototype fabrication and subsequent measurements <\/span>to validate the simulation results. Slotting and partial grounding <\/span>techniques are employed in the design for improving the radiation <\/span>performance of the antenna. The effectiveness of the antenna has <\/span>been assessed under the off-body and on-body conditions. Bending <\/span>analysis under various bending conditions is performed to assess<\/span><\/h5>
the antenna\u2019s flexibility and suitability for wearable applications. Experimental results obtained from the fabricated antenna in <\/span>free space and on-body scenarios show agreement with simulation <\/span>data. Moreover, the specific absorption rate (SAR) analysis <\/span>confirming that the antenna complies with IEEE safety standards. <\/span>The proposed antenna achieves a wide bandwidth of 1.17 GHz <\/span>(operating range of 3.11-4.27 GHz), a higher radiation efficiency <\/span>of 94.52%, and a moderate peak gain of 2.59 dB. It covers 5G <\/span>NR (n77, n78), C-Band (Radar\/WiMAX), CBRS, and Extended <\/span>C-Bands used for wearable broadband applications. Hence, the <\/span>proposed antenna is robust and well-suited for smart clothing applications <\/span>in wireless broadband applications as it combines good <\/span>radiation characteristics and stable performance under bending, <\/span>while maintaining safe SAR levels and a compact textile-compatible <\/span>design.<\/span><\/h5>\n
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