Nearfield to Farfield Transformation of a Small Patch Antenna by Using Planewave Spectrum Method

Author(s):  
Tao Wang ◽  
Xinxin Tian ◽  
Wei Zhang ◽  
Xin Yan

Author(s):  
Hoai Nguyen Ngo ◽  
Trung Liem Kieu ◽  
Uyen Nguyen Dinh ◽  
Phuong Duy Doan
Keyword(s):  


2003 ◽  
Vol 39 (8) ◽  
pp. 641 ◽  
Author(s):  
H.W. Lai ◽  
P. Li ◽  
K.M. Luk
Keyword(s):  




Author(s):  
Hardeep Singh Saini ◽  
Abhishek Thakur ◽  
Rajesh Kumar ◽  
Gourav Chehal ◽  
Naveen Kumar


2010 ◽  
Vol 56 (6) ◽  
pp. 373-379 ◽  
Author(s):  
J. G. Joshi ◽  
Shyam S. Pattnaik ◽  
Swapna Devi ◽  
M. R. Lohokare
Keyword(s):  


Author(s):  
Nayla Ferdous ◽  
Goh Chin Hock ◽  
Saidatul Hamidah A.Hamid ◽  
M. Nazri A. Raman ◽  
Tiong Sieh Kiong ◽  
...  
Keyword(s):  


2013 ◽  
Vol 5 (3) ◽  
pp. 231-239 ◽  
Author(s):  
Martino Aldrigo ◽  
Alessandra Costanzo ◽  
Diego Masotti ◽  
Carlo Baldisserri ◽  
Ioan Dumitru ◽  
...  

The design and characterization of a new broadband small patch antenna, based on an innovative magneto-dielectric material and suitable for wearable applications at 868 MHz, is presented. To reduce antenna dimensions, while preserving its radiation and matching performance, a barium-strontium hexaferrite Ba0.75Sr0.25Fe12O19 has been synthesized as the antenna substrate to achieve magnetic permeability double than vacuum in the band of interest. First material realization is characterized and dispersive permittivity and permeability behaviors are included in the design of a small patch antenna with a shorting-plate. A button-size realization is obtained and its suitability for wearable applications is numerically and experimentally demonstrated on body with and without the presence of conductive shielding. Very good agreement with measurements is demonstrated for both matching and radiation performance of the antenna.



Author(s):  
Samarth Agarwal ◽  
Prachi

A linear 1×4 antenna array built on the Rogers RT/Duroid 5880 substrate is proposed in this paper to acquire high gain for 5G applications. The proposed design resonates at 38 GHz, i.e. in the Ka-band region, and has small patch dimensions of 5.5×2 mm. The design is simulated using CST studio. The main element consists of X-slot that provides a gain of 6.98 dB with the return loss of –24.25 dB whereas a linear array of 4 elements is made which is fed by the 50Ω m-line using the corporate feeding network which yields a gain of 13.84 dB, as well as the return loss is –15.72 dB. The centreto-centre spacing (d) of elements in the antenna array is 0.8λ



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