Wideband 2 × 2 sequentially rotated patch antenna array with a series feed

Evans, H.

doi:10.1002/mop.11356

Cited by 16 publications

(13 citation statements)

References 10 publications

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“…Such antennas are usually realized using microstrip antenna arrays, horns or reflectors [1]. Microstrip antenna arrays are good candidates due to their low profile, low cost and adaptability to obtain CP operations [2]. Whereas, the design of a microstrip antenna array inevitably includes a lossy feed network which increases the structure complexity and decreases efficiency.…”

Section: Introductionmentioning

confidence: 99%

Single-Fed Low-Profile High-Gain Circularly Polarized Slotted Cavity Antenna Using a High-Order Mode

Han

Yang

Long

et al. 2016

Antennas Wirel. Propag. Lett.

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In this letter, a single-fed low-profile high-gain circularly polarized slotted cavity antenna using a high-order cavity mode, i.e. TE 440 mode, is proposed. The proposed antenna has a simple structure which consists of a radiating linearly polarized slotted cavity antenna and a linear-to-circular polarization converter. An antenna prototype operating at WLAN 5.8 GHz band fabricated with low-cost standard printed circuit board (PCB) process is exemplified to validate the proposed concept. Measured results compared to their simulated counterparts are presented, and a good agreement between simulation and measurement is obtained.

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Section: Introductionmentioning

confidence: 99%

Single-Fed Low-Profile High-Gain Circularly Polarized Slotted Cavity Antenna Using a High-Order Mode

Han

Yang

Long

et al. 2016

Antennas Wirel. Propag. Lett.

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“…Sequentially rotated feeding network (SRFN)-based designs have been proposed for wideband CP antennas. [8][9][10][11][12] Nevertheless, this approach generally forms a 2 × 2 array and may not be suitable for being extended to larger planar arrays due to the appearance of grating lobes.…”

Section: Introductionmentioning

confidence: 99%

A compact wideband circularly polarized antenna with dual SIW cavity modes

Cheng

Luo

Peng

2020

Micro & Optical Tech Letters

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This letter presents an improved planar circularly polarized antenna with broad impedance and axial ratio (AR) bandwidths. Four rectangle slots backed by a substrate integrated waveguide (SIW) cavity are fed by a sequentially rotated feeding network to realize the circular polarization. Besides, TE110 and TE210 modes are excited in the SIW cavity and thus an impedance band from 5.24 to 6.44 GHz (20.6%) and an AR band of 5.29 to 6.19 GHz (15.7%) are realized. The antenna also has some other advantages, such as compact size, low profile, and easy integration with other planar circuits, which make it has the potential for some wireless systems.

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“…One approach to resolve this problem is by extending the element number in the array, thereby producing large-scale antenna arrays [17]. An additional method is efficient feed network configurations design [18][19][20][21][22]. For example, by employing a parallel-series feed [18], ∼50% decrease in conductor traces was accomplished as against the conventional arrays, thereby giving a reduced conduction loss and improved radiation efficiency and the array gain bandwidth performance.…”

Section: Introductionmentioning

confidence: 99%

Design of a simple circularly polarised dual‐frequency reconfigurable microstrip patch antenna array for millimetre‐wave applications

Famoriji

Yang

et al. 2019

IET Microwaves, Antennas & Propagation

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Reconfigurable antenna array has received a lot of attention in present‐day wireless communication systems. In this study, a simple design of a four‐element circularly polarised dual‐frequency reconfigurable microstrip patch antenna array for millimetre‐wave applications is proposed. The sequentially rotated series–parallel stub approach is employed in the feeding network design to provide symmetrical array elements positioning, and bringing about a good axial ratio of polarisation. Additionally, a matching branch per element is employed to generate spatial flexibility for element positioning and good impedance matching. Furthermore, due to high‐cost constraints of Ka‐band RF switches (such as PE42524 SPDT), switches are considered as transmission lines, and are placed within the fractal slots of each elements to reconfigure the frequency. The proposed array operates in two switching states: ON and OFF. Hence, it allows dual‐frequency reconfigurability of 27 and 35 GHz for the ON and OFF states, respectively. A full array prototype was then fabricated on a Rogers R5880 substrate and tested in an anechoic chamber. Simulation and measurement results corroborate quite well in general. Patch antenna array gives much better result characterised by reconfigurable behaviour with associated return loss, radiation pattern characteristics, and ˂ 3 dB axial ratio polarisation bandwidth than the single element. The proposed antenna array finds good applications in radar systems, satellite communications, and aerospace.

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Wideband 2 × 2 sequentially rotated patch antenna array with a series feed

Cited by 16 publications

References 10 publications

Single-Fed Low-Profile High-Gain Circularly Polarized Slotted Cavity Antenna Using a High-Order Mode

Single-Fed Low-Profile High-Gain Circularly Polarized Slotted Cavity Antenna Using a High-Order Mode

A compact wideband circularly polarized antenna with dual SIW cavity modes

Design of a simple circularly polarised dual‐frequency reconfigurable microstrip patch antenna array for millimetre‐wave applications

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