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Browsing by Subject "Parasitic array"

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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 RS232-powered controller for switched parasitic array antenna

Author: Mofolo, MOR ; Lysko, Albert A Date: Sep 2013 It is often convenient to power up peripheral devices directly from the host device interface, without a need for additional and/or external power supply. In this paper we present a design of the RS232-powered controller for electronically ... Read more
High-performance low-power smart antenna for smart world applications

Author: Lysko, Albert A ; Mofolo, M Date: Oct 2014 This paper overviews a low-power beam-switched smart antenna. The antenna operates at 2.4 GHz frequency band, has low power consumption (1.5 mW), and is intended for smart world applications in communications and metering. The antenna has ... 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
Significant performance improvement obtained in a wireless mesh network using a beamswitching antenna

Author: Lysko, Albert A ; Johnson, DL ; Mofolo, MOR Date: Sep 2012 The paper describes the performance enhancement obtained by adding an electronically controlled beamswitching antenna to a laboratory set up of a wireless mesh network. The antenna permits several modes offering several beam shapes and ... Read more
Towards an ultra-low-power electronically controllable array antenna for WSN

Author: Lysko, Albert A Date: Sep 2012 This paper discusses steps towards a low-power beam-switching array antenna suitable for wireless sensor network (WSN) applications. Such an antenna will help to improve the signal to noise ratio (SNR), and thus throughput, latency and other ... Read more
Work in Television White Spaces (TVWS) and Dynamic Spectrum and a bit on Antennas

Author: Lysko, Albert A Date: Jul 2016 There is a need for work around improving frequency spectrum utilization efficiency to support the South African government targets of 100% broadband by 2020, with tough specifications stated by the National Broadband Policy “South Africa ... Read more
Work in television white spaces (TVWS) and dynamic spectrum and a bit on antennas (conference presentation)

Author: Lysko, Albert A Date: Jul 2016 There is a need for work around improving frequency spectrum utilization efficiency to support the South African government targets of 100% broadband by 2020, with tough specifications stated by the National Broadband Policy “South Africa ... Read more

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Browsing by Subject "Parasitic array"

Browsing by Subject "Parasitic array"

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