G-Shaped Dual Band Wearable Button Antenna for ISM Band Applications

Author(s):  
Chaouki Guesmi ◽  
Ismail Ben Mabrouk ◽  
Laila Hady ◽  
Larbi Talbi ◽  
Ali Gharsallah
Keyword(s):  
2001 ◽  
Vol 32 (1) ◽  
pp. 79-80 ◽  
Author(s):  
Shih-Huang Yeh ◽  
Shyh-Tirng Fang ◽  
Kin-Lu Wong
Keyword(s):  

2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
Yong Cheng ◽  
Hui Liu

A simple structure concentric annular-ring slot dual-band circularly polarized (CP) microstrip antenna operating at ISM band (2.45 GHz) and 5G band (3.5 GHz) is proposed in this paper. The antenna achieves dual-band operation by digging two concentric annular-ring slots on the ground. And on the angular positions with 45 degrees inclined of each annular slot, two bent structures are loaded to generate circularly polarized radiation. The radiation of this antenna is bidirectional, and the directions of rotation are opposite. The measured results of the annular-ring slot microstrip antenna show good performance of dual-band circularly polarized characteristics.


Author(s):  
Prashanth Alle ◽  
Subhasish Pandav ◽  
Durga Prasad Mishra ◽  
Santanu Kumar Behera

2004 ◽  
Vol 41 (6) ◽  
pp. 457-460 ◽  
Author(s):  
Seok H. Choi ◽  
Jong K. Park ◽  
Sun K. Kim ◽  
Hak S. Kim

Author(s):  
Elkilani Samir ◽  
Larbi El Abdellaoui ◽  
Jamal Zbitou ◽  
A. Errkik ◽  
Mohamed Latrach

This work deals with desgin of  a novel  compact  Dual band PIFA Antenna structure. The proposed antenna is validated for GPS and WIFI applications. The antenna is achieved on a lossy FR4 substrate. The final size of the antenna is 100×55×13.235 mm3. The final antenna structure was optimized and validated into simulation, fabrication and test. The proposed multiband PIFA is optimized by using solts technique. The fabricated antenna is validated to cover the operating frequencies of GPS (1.535 -1.7GHz) and BLUTOOTH/WIFI (2.54-2.47GHz) bands.


2013 ◽  
Vol 2013 ◽  
pp. 1-12 ◽  
Author(s):  
Jinpil Tak ◽  
Kyeol Kwon ◽  
Sunwoo Kim ◽  
Jaehoon Choi

A dual-band on-body repeater antenna for in-on-on wireless body area network applications is proposed. The proposed antenna has a maximum radiation normal to the human-body surface for communication with implanted devices in the 5.8 GHz industrial, scientific, and medical (ISM) band. In addition, to transmit the biological information received from the implanted devices to other on-body devices, the proposed antenna was designed to have a monopole-like radiation pattern along the surface of the human body for communication in the 2.45 GHz ISM band. The antenna was fabricated, and its performance was measured by attaching it to a human-equivalent semisolid phantom. In addition, the human-body effect was studied to ensure antenna performance under an actual situation.


2004 ◽  
Vol 40 (25) ◽  
pp. 1568 ◽  
Author(s):  
S.H. Hwang ◽  
J.I. Moon ◽  
W.I. Kwak ◽  
S.O. Park
Keyword(s):  
Ism Band ◽  

Author(s):  
Wahiba Belgacem ◽  
Miloud Bousahla ◽  
Sidi Mohammed Meriah

This paper presents a new design of dual band RFID reader antenna for ISM-band industrial science and medical applications at 2.4 GHz and 5.8 GHz. Theantenna is designed and physically built using FR4 substrate and taking a 1.5 thickness, 4.3 relative permittivity and 0.025 loss tangents. Different slots havebeen introduced to reduce the antenna dimensions and to achieve the dual bandfor microwave ISM band application. The dimension of the proposed antenna is 34 × 34 × 1.5 mm3, which it could be easily integrated into RFID readers.Numerical simulations have been performed usingcomputer simulationtechnology (CST) Microwave Studio software. A parametric study wasinvestigated in order to show the effect of slots variation and to obtain the desiredfunctional characteristics. Experimental results show a good agreement withresults obtained by simulations. A satisfactorily omnidirectional for the radiationpatterns across the antenna operation bands was obtained.


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