Integrated Flexible Uwb/Nb Antenna Conformed on a Cylindrical Surface

Sahnoun, Nadjet; Messaoudene, Idris; Denidni, Tayeb A.; Benghalia, Abdelmadjid

doi:10.2528/pierl15061809

Cited by 23 publications

(9 citation statements)

References 20 publications

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“…Several integrated antennas for CR systems are available in literatures 6–15 . Dual‐port antenna systems include: (1) coverage of 2–12 GHz sensing band and one communicating band at 5.8 GHz 6 with overall size 63.6 × 37 × 0.254 mm 3 ; (2) 3.3–12 GHz sensing band and two communicating bands at 5.04 GHz (WLAN) and 7.6 GHz (X‐band satellite communication) 7 with dimension 75.7 × 58.35 × 0.762 mm 3 . In both cases, the radiator of sensing UWB monopole antenna is used as a ground plane for the communicating antennas.…”

Section: Introductionmentioning

confidence: 99%

Compact reconfigurable antenna system for spectrum interweaved cognitive radio

Parida

Sahu

Naik

et al. 2022

Int J RF Mic Comp-Aid Eng

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This article discusses the design of a compact antenna system for spectrum interweaved cognitive radio (CR). The system consists of a sensing filtenna and three communicating antennas. The sensing ultra‐wideband (UWB) antenna is a coplanar‐waveguide (CPW)‐fed monopole (2.2–11 GHz). The narrowband communicating patch antennas are reconfigurable through a switching mechanism, operating in six different frequency bands (5.54, 6.12, 7.60, 8.25, 9.64, and 10.29 GHz). To block the Wi‐MAX and WLAN bands, the proposed design uses a meandering slot and a stepped U‐slot in the monopole. Analysis of communicating antennas using the theory of characteristic mode analysis indicates good radiation in the desired frequencies. Isolation among these antennas is better than −18 dB. A constant group delay and linear phase response indicate a good time‐domain performance of the proposed UWB antenna. Simulated results match closely with those from measurements on the prototype. The proposed antenna system can find applications in various sectors adopting CR like internet of things.

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Section: Introductionmentioning

confidence: 99%

Compact reconfigurable antenna system for spectrum interweaved cognitive radio

Parida

Sahu

Naik

et al. 2022

Int J RF Mic Comp-Aid Eng

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“…Additionally, the flexible UWB antenna has become a very popular choice as it can enable UWB and other wireless systems to be used on curved surfaces. The researchers have reported many flexible UWB antenna configurations . But these reported flexible UWB antennas also suffer from the interference with several coexisting narrow band wireless communication systems that works within the UWB spectrum.…”

Section: Introductionmentioning

confidence: 99%

“…The researchers have reported many flexible UWB antenna configurations. [17][18][19] But these reported flexible UWB antennas also suffer from the interference with several coexisting narrow band wireless communication systems that works within the UWB spectrum. So, the design of flexible UWB antenna with band-notched characteristics 20,21 has become a major point of consideration to avoid interference impacts and to provide conformability at the time of applications due to its flexible nature.…”

mentioning

confidence: 99%

Compact UWB flexible elliptical CPW‐fed antenna with triple notch bands for wireless communications

Lakrit

Das²,

Ghosh

et al. 2020

Int J RF Microw Comput Aided Eng

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A coplanar waveguide (CPW)‐fed flexible elliptical antenna with triple band notched characteristics is presented in this article. The designed antenna consists of an elliptical patch and slots incorporated CPW feed line to cover the bandwidth requirements for ultra‐wideband (UWB) applications. The designed UWB antenna has a fractional bandwidth of about 166.19% (1.20‐13 GHz) with a center frequency of 7.1 GHz in simulation and about 170.10% (1.05‐13 GHz) with a center frequency of 7.025 GHz in measurement. The overall dimension of the proposed flexible antenna is 45 × 35 × 0.6 mm3. The triple notched bands are realized by designing with circular shaped split‐ring‐resonators (SRRs) and defected ground structure (DGS). According to the measurement, first notched band (2.0−2.70 GHz) is generated for rejecting 2.4 GHz WLAN by introducing a single circular ST‐SRR on the radiating patch. The second notch (3.45‐3.80 GHz) is obtained by embedding another circular ST‐SRR on the patch to mitigate the interference of 3.5 GHz Wi‐MAX system. Finally, due to presence of DGS, third notch (5.15‐6.20 GHz) is produced which suppresses the interference from 5.5 GHz Wi‐MAX and 5.2/5.8 GHz WLAN systems. The proposed antenna offers excellent performance in different flexible conditions that confirm its applicability on curved surfaces for UWB systems.

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“…However, there are few reports of high-power conformal arrays at this stage. Common conformal [12][13][14][15][16] antenna forms such as microstrip patches and SIW antennas [17][18][19][20][21] are difficult to adapt to the requirements of high power capacity due to the existence of their dielectric structure. The existing research on high-power array antennas is mainly focused on planar arrays, which size is difficult to meet the needs of high-power conformal arrays.…”

Section: Introductionmentioning

confidence: 99%

Design of a Long Linear Helical Subarray for High-Power Cylindrical Conformal Array Antenna

Zhang¹,

Huang²,

Li³

et al. 2020

PIER M

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Ku-band long linear helical subarray (LLHS) for a high-power cylindrical conformal array antenna has been developed. The LLHS consists of 80 helical antennas can be used to constitute conformal array of cylindrical surface. Through the research on the embedded probe structure, the adjustment of the coupling ability of different types of unit probes, the sealing method of the whole feeding, the problems of large feed reflection, and the uneven coupling amount of the unit probe in the rectangular waveguide system are solved, and the LLHS which can be used in the high-power conformal array is realized. The LLHS which is 52.35λ length can obtain 25.2 dB gain, 2.31 dB axis ratio, 90% aperture efficiency, −15.65 dB reflection at 12.5 GHz, and the reflection is lower than −14 dB during 12-13 dB. In addition, it could handle a pulse power of 166 MW under vacuum condition.

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Integrated Flexible Uwb/Nb Antenna Conformed on a Cylindrical Surface

Cited by 23 publications

References 20 publications

Compact reconfigurable antenna system for spectrum interweaved cognitive radio

Compact reconfigurable antenna system for spectrum interweaved cognitive radio

Compact UWB flexible elliptical CPW‐fed antenna with triple notch bands for wireless communications

Design of a Long Linear Helical Subarray for High-Power Cylindrical Conformal Array Antenna

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