Estimation of direction of arrival for coherent signals in wireless communication systems [antenna array signal processing]

2004 ◽  
Author(s):  
K.V. Nikolakopoulos ◽  
D. Anagnostou ◽  
C.G. Christodoulou ◽  
M.T. Chryssomallis
Keyword(s):  
Signal Processing ◽  
Wireless Communication ◽  
Antenna Array ◽  
Communication Systems ◽  
Array Signal Processing ◽  
Direction Of Arrival ◽  
Wireless Communication Systems ◽  
Coherent Signals

Multiband-coupled sectoral antenna using high and low dielectric constant substrates

2014 ◽  
Vol 7 (6) ◽  
pp. 721-726
Author(s):  
Abhishek Kandwal ◽  
Jai Verdhan Chauhan ◽  
Sunil Kumar Khah
Keyword(s):  
Dielectric Constant ◽  
Wireless Communication ◽  
Antenna Array ◽  
Communication Systems ◽  
Ground Plane ◽  
Mobile Systems ◽  
Low Dielectric Constant ◽  
Wireless Communication Systems ◽  
Satellite Systems ◽  
Low Dielectric

Design analysis of multiband-coupled stacked sectoral antenna array with finite ground plane using high low dielectric constant substrates is proposed in this paper for modern communication systems and applied physics. Multiband planar antennas have been extensively developed due to demands for integration of wireless communication systems. In this paper, we present the design and development of a multiband microstrip antenna array with parasitic coupling and stacking using two different substrates. The stacked designed antenna resonates at three different frequencies: 3.8, 5.4, and 10 GHz; therefore, showing a multiband property with good radiation (far-field) characteristics. A significant comparison study is also presented considering different dielectric constant substrates. The proposed antenna is an attractive solution for different wireless communication systems such as mobile systems, satellite systems, etc.

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