Single-Layer Electrically Small Antenna With Reconfigurable Radiation Pattern

2021 ◽  
Author(s):  
Hui-Fen Huang ◽  
Hong-long Bu
Keyword(s):  
Radiation Pattern ◽  
Single Layer ◽  
Electrically Small Antenna ◽  
Small Antenna

Design of Circularly Polarized and Electrically Small Antenna with Omnidirectional Radiation Pattern

2014 ◽  
Vol E97.B (12) ◽  
pp. 2739-2746 ◽  
Author(s):  
Kittima LERTSAKWIMARN ◽  
Chuwong PHONGCHAROENPANICH ◽  
Takeshi FUKUSAKO
Keyword(s):  
Radiation Pattern ◽  
Circularly Polarized ◽  
Electrically Small Antenna ◽  
Small Antenna

Dual Band Slot Antenna for 3.5 WiMAX and 5.8 WLAN

2014 ◽  
Vol 68 (1) ◽  
Author(s):  
Sahar Chagharvand ◽  
M. R. B. Hamid ◽  
M. R. Kamarudin ◽  
Mohsen Khalily
Keyword(s):  
Radiation Pattern ◽  
Coplanar Waveguide ◽  
Single Layer ◽  
Dual Band ◽  
Slot Antenna ◽  
Impedance Bandwidth ◽  
Antenna Gain ◽  
Dual Bandwidth ◽  
Electromagnetic Performance ◽  
Good Agreement

This paper presents a single layer planar slot antenna for dual band operation. The antenna is fed by a coplanar waveguide (CPW) with two inverted C-shaped resonators to achieve the dual band operation. The impedance bandwidth for ǀS11ǀ < -10dB is 14% in lower band and 7% in higher band. The antenna prototype’s electromagnetic performance, impedance bandwidth, radiation pattern, and antenna gain were measured. The proposed configuration offers a relatively compact, easy to fabricate and dual band performance providing gain between 2 and 4 dBi. The designed antenna has good dual bandwidth covering 3.5 WiMAX and 5.8 WLAN tasks. Experimental and numerical results also showed good agreement after comparison.

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