Conformal ultra-compact narrowband 60.0 GHz four-port millimeter wave MIMO antenna for wearable short-range 5G application

Sharma, Manish; Kumar, Ashwni; Kikan, Vaishali; Jaitly, Gaurika; Bhardwaj, Siddhi; Neha,; Bano, Takhshish

doi:10.1007/s11276-023-03610-3

Cited by 4 publications

(4 citation statements)

References 33 publications

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“…CPW fed 4-port antenna structure is investigated in [ 19 ], decoupling network is integrated with unconnected ground substrate. A compact and flexible wearable antenna is designed and evaluated for 5 G MIMO applications [ 20 ]. In [ 22 ], self-isolated, complementary split resonator technology is used.…”

Section: Introductionmentioning

confidence: 99%

“…Although, wider bandwidth and multiband response has been attained in plethora of papers, a significant shifting of resonance frequency has been observed due to structural deformation and body postures. In addition to this, restrictions of limited radiation power in body centric communication, and multipath fading effects caused by internal scattering/reflections of heterogeneous body tissue layers dramatically diminish the reliability/performance and robustness of communication [17][18][19][20]. Therefore, diversity technique MIMO is attaining much interest in body area networks.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, diversity technique MIMO is attaining much interest in body area networks. A very few literature is available for wearable MIMO antenna structures for 5G communication [17,[19][20][21][22][23][24]. Different techniques for enhancing the diversity performance is presented by the researchers.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

8-port MIMO antenna at 27 GHz for n261 band and exploring for body centric communication

Gupta,

Kumari,

Sharma

et al. 2024

PLoS ONE

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This paper presents a compact 5G wideband antenna designed for body-centric networks (BCN. The single element antenna design includes a simple T-shaped radiator patch with ring shaped ground plane and transformer impedance feedline. First, the antenna was simulated in free-space, and its resonant frequency is found to be 27 GHz, falling within 5G’s n261 band. The proposed single radiator antenna has a size of 23.375 mm3, and it offers a wide impedance bandwidth of 2.0 GHz (26–28 GHz). Parametric studies demonstrated that by increasing the length of slots in patch, the antenna frequency can be reduced further. Single radiator antenna is used as 8-element MIMO structure. Parallel adjacent antenna in X-direction has minimal coupling effect, whereas antenna placed in Y-direction has high coupling effect. Thus, coupling is reduced by etching a wall of slots in ground plane. It alters the surface current interference in Y-direction and limits the coupling effect. The antenna is investigated to use in body area network applications. To evaluate its on-body performance, an equivalent body model is virtually developed. The on-body performance is assessed by placing the antenna in close proximity to body model. Stable and robust performance is achieved for the on-body operation. At the resonant point, the antenna exhibits a reflection coefficient of -30 dB (free space) and -40 dB (on-body), high isolation of above 20 dB between adjacent radiators and above 30 dB for other radiators. Antenna has stable performance for different body tissues and on the non-planar structures. Bidirectional radiation pattern with gain of 2.53 dB and broadside type orientations with gain of 4.64 dB are achieved for free space and on body operations respectively. low specific absorption rate makes antenna safe for health care devices. Further, diversity performance is measured in terms of envelope correlation coefficient (ECC), and diversity gain (DG). Maximum Value of ECC is 0.005 and minimum value DG is 9.97 at 27 GHz which confirms the excellence of antenna for MIMO applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

8-port MIMO antenna at 27 GHz for n261 band and exploring for body centric communication

Gupta,

Kumari,

Sharma

et al. 2024

PLoS ONE

Self Cite

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show abstract

“…CPW fed 4-port antenna structure is investigated in [19], decoupling network is integrated with unconnected ground substrate. A compact and flexible wearable antenna is designed and evaluated for 5 G MIMO applications [20]. In [22], self-isolated, complementary split resonator technology is used.…”

Section: Introductionmentioning

confidence: 99%

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Enhanced breast tumor localization with DRA antenna backscattering and GPR algorithm in microwave imaging

Gupta,

Kumar Yadav,

Durai C

et al. 2024

Results in Engineering

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Conformal ultra-compact narrowband 60.0 GHz four-port millimeter wave MIMO antenna for wearable short-range 5G application

Cited by 4 publications

References 33 publications

8-port MIMO antenna at 27 GHz for n261 band and exploring for body centric communication

8-port MIMO antenna at 27 GHz for n261 band and exploring for body centric communication

Untitled

Enhanced breast tumor localization with DRA antenna backscattering and GPR algorithm in microwave imaging

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