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This paper presents the performances of circular polarization (CP) array textile antenna in different bending condition. The antenna composed four circular patches in array formation where the patches composes a cross slot at the centre of the patch. In flat condition, a good bandwidth (2.06 GHz – 2.49 GHz), axial ratio (2.38 GHz – 2.62 GHz) with realized gain of 3.09 dB is presented and compared...
The dual-fed circular polarization (CP) square patch compact array antenna is proposed. The antenna is design at 2.9 GHz geometry with dual slot is placed underneath of radiating patch at ground plane to reduce the operating frequency to 2.4 GHz while maintaining the size and CP condition. The antenna is fabricated on FR-4 substrate. It was found that, good return loss from 2.38 GHz–2.6 GHz (8.84...
The envelope correlation for a two-element antenna array may be calculated using the antenna radiation fields, or more simply from the scattering parameters of the system. The use of scattering parameters provides a major simplification over the direct use of field data. In this paper we propose a modification of the scattering parameter method which also includes the antenna losses. This approach...
The recently developed 60 GHz standard provides a 7 GHz license-free band around 60 GHz for high data-rate wireless communications at the rate of gigabits per second. Due to huge interest in broadband Wireless Personal Area Network (WPAN) applications, a low cost, miniaturized and high performance radio technology at 60 GHz is on high demand. Antenna is a key element and several antennas have been...
This paper presents the design of 16-element linear array for smart antenna application. Conventional patch antenna is optimized to operate at 1.85GHz (3G applications) by using CST Microwave Studio parameterization. Accurate inter-element spacing has been designed to remove the mutual coupling which causes shifting of the maximum beam pattern towards undesired locations and shifting of the resonant...
A novel structure of Reconfigurable Orthogonal Antenna Array (ROAA) constructed with separated feeding network by air gap technique is introduced in this paper. In contrast to conventional antennas producing fixed directional radiation patterns, the ROAA studied here is able to scan the beam over 360° in the horizontal plane. The structures are consists of four Reconfigurable Planar Antenna Arrays...
In this paper, we introduce a compact low cost dual band adaptive planar phased array for MIMO systems. An important application of the array is in Wireless Local Area Networks (WLAN) where compact and low cost adaptable antennas promise increases in capacity and coverage. The lower band of the antenna ranges from 2.360 to 2.510 GHz, while the upper band covers from 5.000 to 5.450 GHz with an average...
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