Development and Performance Assessment of a Textile-Based Wearable Antenna for WBAN Applications

Öz

Abstract: This study presents a compact wearable antenna intended for wireless body area network (WBAN) applications. The antenna is realized on a denim textile substrate with overall dimensions of 46 × 55 × 1 mm³, and its performance is evaluated using a commercial full-wave EM solver. Under the S11 < −10 dB criterion, the simulated impedance bandwidths extend from 2.05 to 4.67 GHz and from 5.78 to 8.94 GHz. The design resonates at 2.45 GHz and 7.88 GHz, delivering realized gains of 2.43 dBi and 3.60 dBi at the two bands. The total efficiencies reach 97.62% at 2.45 GHz and 90.0% at 7.88 GHz. These outcomes verify that the suggested structure is a strong candidate for practical wearable implementations.

Anahtar Kelimeler

• Flexible antenna
• Textile antenna
• Wearable antenna
• Wireless body area network (WBAN)

WBAN Uygulamaları için Tekstil Tabanlı Giyilebilir Bir Antenin Geliştirilmesi ve Performans Değerlendirmesi

Öz

Bu çalışma, Kablosuz Vücut Alan Ağları (WBAN) uygulamaları için tasarlanmış kompakt bir giyilebilir anteni sunmaktadır. Anten, 46 × 55 × 1 mm³ genel boyutlara sahip denim tekstil bir altlık üzerinde gerçekleştirilmiş olup, performansı ticari bir tam dalga elektromanyetik (EM) çözücü kullanılarak değerlendirilmiştir. S11 < −10 dB kriteri altında, benzetim sonuçlarına göre empedans bant genişlikleri 2.05–4.67 GHz ve 5.78–8.94 GHz aralıklarını kapsamaktadır. Tasarım, 2.45 GHz ve 7.88 GHz frekanslarında rezonans göstermekte olup, bu bantlarda sırasıyla 2.43 dBi ve 3.60 dBi gerçekleşen kazanç değerleri elde edilmiştir. Toplam verimlilik değerleri ise 2.45 GHz’te %97.62 ve 7.88 GHz’te %90.0 seviyelerine ulaşmaktadır. Elde edilen bu sonuçlar, önerilen yapının pratik giyilebilir uygulamalar için güçlü bir aday olduğunu doğrulamaktadır.

Anahtar Kelimeler

• Esnek anten
• Tekstil anten
• Giyilebilir anten
• Kablosuz vücut alan ağı (WBAN)

Kaynakça

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