Omni-directional wideband antenna array with solar cells

Name: Omni-directional wideband antenna array with solar cells
Author: Ullah, Naveed, Tekin, Ahmet

İsim	Omni-directional wideband antenna array with solar cells
Yazar	Ullah, Naveed, Tekin, Ahmet
Basım Tarihi:	2021-03
Basım Yeri	- SciELO - Scientific Electronic Library Online
Konu	Antenna array, Ism, Solar powered, Wideband
Tür	Süreli Yayın
Dil	İngilizce
Dijital	Evet
Yazma	Hayır
Kütüphane:	Özyeğin Üniversitesi
Demirbaş Numarası	2179-1074
Kayıt Numarası	d231b1a2-a9a1-478c-9a72-3dd99772065e
Lokasyon	Electrical & Electronics Engineering
Tarih	2021-03
Örnek Metin	Distributed sensor networks are becoming more and more widespread due to their substantial benefits to our daily lives. These sensors, in most cases, are distributed in nature and even may require mobility. This, in turn, implies omnidirectional collector units to collect the data from various sensors at arbitrary directions. This work summarizes the performance outcomes of various integrated wide-band antenna structures and solar power generation topologies to achieve equal gain in all directions. Purpose of the array in this instance is contrary to enhance the received signal levels in all directions. Low-cost solutions ranging from the planar helical printed circuit board (PCB) designs to vertical wire helical antennas were investigated. An optimum design structure for multiple ISM bands (868 MHz to 915 MHz) was proposed and characterized considering the cost, size, directional coverage and most significantly RF sensitivity and range of the overall design. The final water-resistant solarpowered wideband transceiver front-end has provided range improvement and omnidirectional radiation pattern. The system consists of a 190mm x 190mm low-cost FR4 substrate and a Wilkinson network to combine the power of 8 helical wire antennas sprinkled along with the solar cells. The self-contained, Sun-powered unit resulted in 4.5-dB sensitivity improvement in measurements.
DOI	10.1590/2179-10742021V20I1885
Cilt	20

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Omni-directional wideband antenna array with solar cells

Yazar Ullah, Naveed, Tekin, Ahmet

Basım Tarihi 2021-03

Basım Yeri - SciELO - Scientific Electronic Library Online

Konu Antenna array, Ism, Solar powered, Wideband

Tür Süreli Yayın

Dil İngilizce

Dijital Evet

Yazma Hayır

Kütüphane Özyeğin Üniversitesi

Demirbaş Numarası 2179-1074

Kayıt Numarası d231b1a2-a9a1-478c-9a72-3dd99772065e

Lokasyon Electrical & Electronics Engineering

Tarih 2021-03

Örnek Metin Distributed sensor networks are becoming more and more widespread due to their substantial benefits to our daily lives. These sensors, in most cases, are distributed in nature and even may require mobility. This, in turn, implies omnidirectional collector units to collect the data from various sensors at arbitrary directions. This work summarizes the performance outcomes of various integrated wide-band antenna structures and solar power generation topologies to achieve equal gain in all directions. Purpose of the array in this instance is contrary to enhance the received signal levels in all directions. Low-cost solutions ranging from the planar helical printed circuit board (PCB) designs to vertical wire helical antennas were investigated. An optimum design structure for multiple ISM bands (868 MHz to 915 MHz) was proposed and characterized considering the cost, size, directional coverage and most significantly RF sensitivity and range of the overall design. The final water-resistant solarpowered wideband transceiver front-end has provided range improvement and omnidirectional radiation pattern. The system consists of a 190mm x 190mm low-cost FR4 substrate and a Wilkinson network to combine the power of 8 helical wire antennas sprinkled along with the solar cells. The self-contained, Sun-powered unit resulted in 4.5-dB sensitivity improvement in measurements.

DOI 10.1590/2179-10742021V20I1885

Cilt 20