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Analysis of uniformity in steering capability of an ESPAR antenna

Author: Ebrahim, Rozeena ; Mthethwa, Nosipho B ; Lysko, Albert A Date: Nov 2022 This paper looks at design considerations for an Electronically Steerable Parasitic Array Radiator (ESPAR) antenna suitable for inexpensive large-scale wireless network technologies. This can help address the demand for a cheaper, simpler, ... Read more
Design of energy conscious antenna system for WLAN frequency band

Author: Bembe, MJ ; Lysko, Albert A ; Nyandeni, TC ; Clark, W Date: Aug 2009 The electronically steerable parasitic array radiator (ESPAR) antenna system is configured with one feed radiating element and N-parasitic radiating elements. The radiation pattern is electronically controlled by means of the variable devices ... Read more
Incorporating antenna beamswitching technique into drivers for IEEE802.11 WLAN devices

Author: Mofolo, M ; Lysko, Albert A Date: 23 Nov 2015 The use of smart antennas in wireless networks requires real-time synchronization of the beamforming and the transmission/receive processes for the host devices that are equipped with such antennas. This paper presents an approach for integrating ... Read more
Influence of a realistic loading on characteristics and design of ESPAR

Author: Lysko, Albert A ; Mofolo, M Date: Sep 2011 The paper presents results of a study considering a 2.4 GHz low-cost low-power-consumption electronically switched parasitic array radiator (ESPAR) antenna suitable for wireless sensor networks and rural applications. The paper discuses the ... Read more
Influence of errors in the dimensions of a switched parasitic array on gain and impedance match

Author: Mofolo, MRO ; Lysko, Albert A ; Clarke, WA Date: Sep 2012 The dimensions of an antenna system defines its performance. This implies proper calibration and fabrication process are vital. Thus, there is a need to investigate the influence of the variations in the dimensions of the antenna on its ... Read more

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Browsing by Subject "ESPAR"

Browsing by Subject "ESPAR"

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