Design of the antenna array with a novel feeding network

Dai-liang, Zhai; Zhang, Chenxin; Yang, Zimu; Shuai-jiang, Hu

doi:10.1109/icmmt.2012.6230153

Cited by 6 publications

(9 citation statements)

References 5 publications

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“…Recently, various printed rectenna designs operating at 2.45 GHz are reported in literature (Khan et al., 2020; Koohestani et al., 2020), which shows the significance of this frequency band for RF energy harvesting. Based on the microstrip‐slotline transition, a feeding network is applied in the antenna array (Alvina et al., 2018; Egashira et al., 2004; Rahman et al., 2015; Zhai et al., 2012). The methods for designing a high impedance antenna are discussed in Section 2.…”

Section: Introductionmentioning

confidence: 99%

RF Energy Harvesting Using High Impedance Asymmetric Antenna Array Without Impedance Matching Network

Fakharian

2021

Radio Science

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With the development of self-sustainable standalone, low power electronics devices in a wide range of applications, wireless energy harvesting (WEH) and wireless power transfer (WPT) have gained significant attention in the past few years (Costanzo et al., 2014; Valenta & Durgin, 2014; Visser & Vullers, 2013). WEH and WPT have become a conventional way to power the low-power electronic devices wirelessly and extend their life cycles by the battery charging/replacing and save maintenance related costs. Apart from RF energy, most of the other harvesting ambient energy such as solar, thermal and vibration are environment dependent that makes this technology more effective in critical applications such as intelligent environmental monitoring for office, healthcare, domotic, and defense etc. (Colella et al., 2016; Kuhn et al., 2015; Tran et al., 2017). Recently, WEH by using a passive device called rectifying antenna (rectenna) is a possible solution to change the environmental wireless energy to a usable DC power efficiently (

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Section: Introductionmentioning

confidence: 99%

RF Energy Harvesting Using High Impedance Asymmetric Antenna Array Without Impedance Matching Network

Fakharian

2021

Radio Science

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“…In this work, we designed a monopole wideband antenna array fed by a microstrip-to-slot-line transition feeding network. e feeding network is based on slot-line stubs and radial microstrip for the realization of broadband microstrip-to-slot-line transitions [21,22]. In the proposed antenna, compact size and wideband functions are obtained by using Koch fractal geometry and loaded slot on radiation stub.…”

Section: Introductionmentioning

confidence: 99%

A Wideband Rectenna Using High Gain Fractal Planar Monopole Antenna Array for RF Energy Scavenging

Fakharian

2020

International Journal of Antennas and Propagation

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This paper introduces a wideband rectenna that can scavenge ambient wireless power to a range of frequency band from 0.91 GHz to 2.55 GHz efficiently. The proposed rectenna is based on a wideband 2 × 2 fractal monopole antenna array with omnidirectional radiation patterns and high gains of 5 to 8.3 dBi at the desired bands. An improved two-branch impedance matching technique is presented which is designed to enhance the rectifier circuit performance with a relatively low input power ranging from −25 dBm to 10 dBm. Also, a full-wave wideband rectifier that can suitably improve the RF-to-DC power conversion efficiency is designed for the rectenna. A peak efficiency of 76%, 71%, 61%, and 62% is obtained at 950, 1850, 2100, and 2450 MHz, respectively. Measurement results show that a conversion efficiency of 68% has been achieved over an optimal 4.7 kΩ resistor when the simultaneous four-band input power level is −10 dBm. Moreover, an output DC voltage of around 243 mV with voltage varying within 160–250 mV can be achieved by gathering the low ambient wireless power inside laboratory. This study proves that the proposed rectenna can be applied to a range of many low-power electronic applications.

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“…However, such a transition requires air bridges [18] which again add to additional fabrication effort. WET Therefore, several attempts have been made recently to integrate microstrip-to-slotline transitions on low-permittivity substrate [3,10,11,13]. While reasonable bandwidth has been obtained for the antenna system in [3], the application was limited to a one-dimensional array with no requirements for polarization purity.…”

Section: Introductionmentioning

confidence: 99%

“…However, if uniplanar TSAs are used in two-dimensional arrays [2,4], then cross polarization presents a significant performance indicator. Other transitions either use a higher permittivity substrate [10,12,14] or are too narrowband [11,13] to accommodate a bandwidth in the order of 100 percent.…”

Section: Introductionmentioning

confidence: 99%

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Broadband Feed for Low Cross-Polarization Uniplanar Tapered Slot Antennas on Low-Permittivity Substrate

Schorer¹,

Børnemann²

2013

WET

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A broadband feeding technique for the uniplanar tapered slot antenna (TSA) is presented. The TSA operates at a center frequency of 6.5 GHz with a 7 GHz bandwidth (107 percent). The antenna and feed are realized with a broadband microstrip-to-slotline transition on a low permittivity high frequency substrate, Rogers RT/Duroid 5880. The input impedance of the system is designed for 50 Ω compatibility with other system components, and the cross polarization is kept below -30 dB. The developed TSA system was simulated with commercially available electromagnetic software and manufactured. Measured results validate the design process and the antenna's performance.

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Design of the antenna array with a novel feeding network

Cited by 6 publications

References 5 publications

RF Energy Harvesting Using High Impedance Asymmetric Antenna Array Without Impedance Matching Network

RF Energy Harvesting Using High Impedance Asymmetric Antenna Array Without Impedance Matching Network

A Wideband Rectenna Using High Gain Fractal Planar Monopole Antenna Array for RF Energy Scavenging

Broadband Feed for Low Cross-Polarization Uniplanar Tapered Slot Antennas on Low-Permittivity Substrate

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