A dual linear polarized printed reflectarray using slot loaded patch elements

Cadoret, David; Marnat, Loïc; Loison, Renaud; Gillard, Raphaël; Legay, Hervé; Salome, Beatrice

doi:10.1049/ic.2007.1620

Cited by 16 publications

(20 citation statements)

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“…Also, another important parameter for dual linearly and circularly polarised elements is the cross-polarisation [14] which is defined as RC as results of incident wave in perpendicular direction of co-polarisation (transverse electric (TE) on transverse magnetic (TM) or TM on TE mode in the case of oblique incidence, transverse electromagnetic (TEM) x on TEM y or TEM y on TEM x in the case of normal incidence [14]). Therefore, in this subsection, we investigate the effect of incident angles on the reflection loss and cross-polarisation component and the results of the proposed unit cell will be compared with the dual linearly element from [9].…”

Section: Rotational Stability Of Unit Cellmentioning

confidence: 99%

“…Reducing a Reflection loss and cross-polarisation for first method b Reflection loss and cross-polarisation for second method; rotational stability for assumed unit cell from [9] for the state that Ypatch is equal 14 mm, resonant length of b is equal 9.6 mm and per = 5 mm c Reflection loss d Cross-polarisation Fig. 4 Phase characteristic of a Proposed unit cell at 10.7 GHz b Unit cell from [9] against b for different amounts of Ypatch and per = 5 mm the phase error means getting closer to maximum achievable gain [2]. As observed in Section 2, this unit cell achieves <360°phase swing (see Fig.…”

Section: Array Designmentioning

confidence: 99%

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Broadband, low‐cost and low cross‐polarisation dual linearly polarised reflectarray antenna

Mahmoodi

Chamaani

2016

IET Microwaves, Antennas & Propagation

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This study attempts to attain a broad bandwidth (BW) from a simple and low cost dual linearly polarised structure. The unit cell is a patch loaded with three concentric slots: a square, a vertical cross and a slant cross, printed on a foam backed dielectric. Required phases can be adjusted by both vertical and slant crosses which provides an extra degree of freedom in phase error and phase sensitivity reduction. The slant cross also improves angular stability of gain and cross-polarisation. Four reflectarrays (RAs) were designed at 10.7 GHz frequency. RA1 and RA2 utilised only the vertical and slant crosses, respectively, whereas RA2 achieved broader BW due to less sensitivity of slant cross. RA3 used both crosses to get lower phase error. However, due to dissimilarity among cells and uncontrolled phase sensitivity, it was poor in terms of gain and BW. To overcome this issue, in RA4, in addition to phase error and phase sensitivity control diversity, a local similarity is enforced. This array shows 23 dB gain and 3 dB gain BW of 17%. In 3 dB BW, its cross-polarisation level is −24 dB at boresight and also satisfactory in non-principal planes.

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Section: Rotational Stability Of Unit Cellmentioning

confidence: 99%

Section: Array Designmentioning

confidence: 99%

Broadband, low‐cost and low cross‐polarisation dual linearly polarised reflectarray antenna

Mahmoodi

Chamaani

2016

IET Microwaves, Antennas & Propagation

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“…Recently, some modified structures have been proposed for an increased phase angle range for single polarization, e.g. [5][6][7][8][9][10][11], based on multiple elements, partly combined with slots. Losses now occur at both resonances, although losses may be lower.…”

Section: Novel Reflector Elementsmentioning

confidence: 99%

Investigations of advanced folded reflectarray antennas

Dieter

Li²,

Keyrouz

et al. 2010

2010 International Conference on Electromagnetics in Advanced Applications

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− This paper reports on recent research on folded reflectarray antennas done at the University of Ulm. The first area of work deals with the investigations of reflector elements with improved phase angle range and the influence of different effects on bandwidth and antenna gain including cell type, size, or substrate layer structure. A second area of work is the precise characterization of reflector elements, both with respect to the phase angle as well as the polarization twisting. Two methods have been developed for such characterization at frequencies around 77 GHz, one based on a quasi-optical Gaussian beam setup, another one based on near-field probing.

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“…A reflectarray antenna combines the advantages of both printed arrays and reflector antennas, and has low-profile, low mass, and low cost features [1][2][3][4]. The reflectarray consists of an array of unit-cells illuminated by a primary feed.…”

Section: Introductionmentioning

confidence: 99%

Dielectric Resonator Antenna Reflectarrays Mounted on or Embedded in Conformal Surfaces

Zainud-Deen¹,

El-Shalaby²,

Malhat³

et al. 2013

PIER C

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Abstract-In this paper, reflectarrays mounted on or embedded in cylindrical and spherical surfaces are designed, analyzed, and simulated at 11.5 GHz for satellite applications. A unit cell consists of a square dielectric resonator antenna (DRA) mounted on or embedded in metallic conformal ground plane is investigated. The radiation characteristics of the designed reflectarrays are investigated and compared with that of planar reflectarray. A 13×13 planar reflectarray antenna on the x-y plane was designed. By varying the length of the DRA element between 2 mm and 6.2 mm a full range from 0 • to 360 • phase shift can be obtained. The size of each element is equivalent to a compensation phase shift. A maximum directivity of 24.3 dB was achieved while the side lobes were below −12.94 dB in E-plane and −15.79 dB in the H-plane for planar reflectarray. A Full-wave analysis using the finite integration technique (FIT) is applied. The results are validated by comparing with that calculated by transmission line method (TLM).

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A dual linear polarized printed reflectarray using slot loaded patch elements

Cited by 16 publications

References 0 publications

Broadband, low‐cost and low cross‐polarisation dual linearly polarised reflectarray antenna

Broadband, low‐cost and low cross‐polarisation dual linearly polarised reflectarray antenna

Investigations of advanced folded reflectarray antennas

Dielectric Resonator Antenna Reflectarrays Mounted on or Embedded in Conformal Surfaces

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