Dual-Band Textile Antenna With Dual Circular Polarizations Using Polarization Rotation AMC for Off-Body Communications

Yang, Hongcai; Liu, Xiongying; Fan, Yi; Liu, Xiong

doi:10.1109/tap.2021.3138504

Cited by 43 publications

(33 citation statements)

References 35 publications

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“…In Table 1, the proposed antenna has a higher peak gain and achieves a far wider IBW (impedance bandwidth) and axial ratio bandwidth (ARBW) than. 2,7,9,10,13,14,21 The proposed antenna has a smaller overall size and achieves a far wider IBW and ARBW than. 3,24 As for, 23 the overall size is smaller than the proposed antenna and the IBW and ARBW are wide.…”

Section: Design Of Amc Array Reflectormentioning

confidence: 99%

“…Even though a CP antenna with a single radiator element has the advantage of small size, it usually cannot achieve a good axial beam radiation (main beam at boresight direction +z = 0°) across the entire CP bandwidth. Therefore, many antenna designs have adopted the technique of developing antenna arrays that can achieve stable broadband CP radiation with axial beam 11–20 . Especially with the change of frequency, the axial beam radiation characteristic of the pattern is very stable too.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, many antenna designs have adopted the technique of developing antenna arrays that can achieve stable broadband CP radiation with axial beam. [11][12][13][14][15][16][17][18][19][20] Especially with the change of frequency, the axial beam radiation characteristic of the pattern is very stable too.…”

Section: Introductionmentioning

confidence: 99%

“…12 To realize a unidirectional pattern and reducing the antenna profile, using the AMC structure as a reflector has been reported in. 3,13,21 The in-phase reflection property of AMC can break the λ/4 limit between the antenna and the floor, thus reducing the antenna profile. 3,9 However, it is still a challenging task to design and applies the AMC structure into a CP antenna with ultrawide CP bandwidth, unidirectional radiation, and wideband axial beam radiation characteristics.…”

Section: Introductionmentioning

confidence: 99%

“…Although the design of CP antennas in an array has many advantages, this kind of antenna tends to have a high profile and bidirectional radiation 12 . To realize a unidirectional pattern and reducing the antenna profile, using the AMC structure as a reflector has been reported in 3,13,21 . The in‐phase reflection property of AMC can break the λ/4 limit between the antenna and the floor, thus reducing the antenna profile 3,9 .…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

A low‐profile ultrawideband circularly polarized slot antenna array based on artificial magnetic conductor array reflector

Zhang

Xing

et al. 2022

Int J RF Mic Comp-Aid Eng

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A broadband circularly polarized (CP) slot antenna unit that is composed of a sector‐shaped radiator and an irregular pentagon slot ground plane is initially investigated. The CP characteristics are realized based on unbalanced feeding and loading of irregular slot structure. To increase the gain and yield ultrawideband operation, a 2 × 2 antenna array with a sequential rotational feeding method is introduced. To further reduce the total profile of the proposed antenna array to 0.15λ0, an artificial magnetic conductor array reflector is loaded between the antenna array and the feeding network. The measured 10‐dB impedance bandwidth of the proposed antenna array was 82.6% (8.31–20.0 GHz), and its corresponding CP bandwidth was 65.4% (8.61–16.98 GHz), and the radiation efficiency of the antenna is also higher than 80%. Besides exhibiting very good axial beams across the wide CP bandwidth, a peak gain of up to 11.1 dBic is also achieved. Thus, it is suitable for X‐band and Ku‐band satellite communication applications.

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Section: Design Of Amc Array Reflectormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

A low‐profile ultrawideband circularly polarized slot antenna array based on artificial magnetic conductor array reflector

Zhang

Xing

et al. 2022

Int J RF Mic Comp-Aid Eng

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Wearable dual‐band dual‐polarized screen‐printed fabric antenna enabled with electromagnetic bandgap structure for ISM and WLAN communications

Somasundaram,

TR,

Sidén

et al. 2024

Int J Communication

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SummaryA wearable dual‐band dual‐polarized fabric antenna is screen printed on a cotton polyester substrate to operate at the industrial scientific and medical band at 2.45 GHz and wireless local area network at 5.2 GHz. A rectangular slot with a pair of L‐shaped branches are used to excite dual bands. The rectangular slot is used to achieve lower band resonance at 2.45 GHz with linear polarization, and an L‐shaped branch with a stub is used to obtain the circular polarization at 5.2 GHz. A 3 × 3 electromagnetic bandgap (EBG) structure is enabled behind the antenna to minimize the back radiation and specific absorption rate (SAR). The antenna provides a measured impedance bandwidth (BW) of 25% from 2.1 to 2.7 GHz (600 MHz), and 18% from 4.5 to 5.7 GHz (1.2 GHz), respectively. The antenna also has a 3‐dB axial ratio BW of 15% from 4.6 to 5.35 GHz (750 MHz). The antenna exhibits a measured gain of 5.1 dB at 5.2 GHz and 6.4 dB at 2.45 GHz. The SAR is validated by using a CST (computer simulation technology) voxel human body model and found to be 0.0949 and 0.127 W/kg for 1 g tissue at 5.2 and 2.45 GHz, respectively. The dimension of the proposed EBG integrated antenna is (0.52 λ × 0.52 λ × 0.07 λ). The antenna and EBG structure are screen printed with silver conductive ink, which provides good conductivity, conformability, comfort, wearability, and being lightweight.

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Low‐profile wideband four‐element MIMO array using Giuseppe Peano AMC surface with improved efficiency and isolation for WLAN systems

Malekpoor

2023

Micro & Optical Tech Letters

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A low profile four‐element multiple‐input multiple‐output (MIMO) array of printed dipole antenna (PDA) backed by second iteration of Giuseppe Peano fractal artificial magnetic conductor (AMC) is introduced for broadband wireless communications. First, a suggested PDA with a pair of microstrip E‐shaped dipoles excited by an E‐shaped microstrip feedline is used to expand the bandwidth in the range of 5.47–6.92 GHz (S11 ≤ −10 dB). Then, the suggested 4 × 4 Giuseppe Peano fractal AMC reflector is loaded into the PDA to exhibit −10 dB measured impedance bandwidth from 4.21 to 7.06 GHz (50.61%) for wireless local area network (WLAN) and worldwide interoperability for microwave access (WiMAX) applications. The proposed four‐element MIMO array loaded by 6 × 6 AMC reflector with diverse polarizations of elements introduces a low profile wideband structure. The measured results of four elements include the broad bandwidths from 4.3 to 7.05 GHz with enhanced gains (more than 8 dBi) and high efficiencies. The high isolations between the four elements with diverse polarizations are obtained larger than 26.5 dB and they reach 66 dB over the operating bandwidth for MIMO systems. The suggested PDA with AMC compared to the PDA without AMC exhibits a size reduction of 51.33%, enhanced radiation efficiency up to 94%, and excellent impedance matching with uni‐directional radiation patterns.

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Dual-Band Textile Antenna With Dual Circular Polarizations Using Polarization Rotation AMC for Off-Body Communications

Cited by 43 publications

References 35 publications

A low‐profile ultrawideband circularly polarized slot antenna array based on artificial magnetic conductor array reflector

A low‐profile ultrawideband circularly polarized slot antenna array based on artificial magnetic conductor array reflector

Wearable dual‐band dual‐polarized screen‐printed fabric antenna enabled with electromagnetic bandgap structure for ISM and WLAN communications

Low‐profile wideband four‐element MIMO array using Giuseppe Peano AMC surface with improved efficiency and isolation for WLAN systems

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