A 4-element crescent shaped two-sided MIMO antenna for UWB, X and Ku band wireless applications

Addepalli, Tathababu; Kamili, Jagadeesh Babu; Boddu, Subbarao; Manda, Rajasekhar; Nella, Anveshkumar; Kumar, Bandi Kiran

doi:10.1007/s11276-023-03390-w

Cited by 13 publications

(7 citation statements)

References 38 publications

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“…The suggested MIMO antennas with single, two, and four elements each maintain their respective bandwidth as 9 GHz and 9.78 GHz. Though the suggested antenna is slightly larger in dimension and not as wide as[18] but has a larger gain than the earlier studies. The MIMO attributes like ECC, is less than 0.05 and 0.01 for the suggested flower-shaped MIMO antenna with two and four elements respectively.…”

contrasting

confidence: 55%

“…Optimally, there should be no correlation between the MIMO elements, hence the ECC value should be zero. In the working frequency range, the ECC should ideally be less than 0.5 [18]. The estimated ECC values for the two and four-element MIMO antenna are less than 0.05 and 0.1 respectively.…”

Section: Eccmentioning

confidence: 99%

“…The highest achievable communication transmission rate up to which a signal could always be transmitted fully across a communication channel with a 0.4 Bits/Hz/Sec loss in the operating frequency range [18]. CCL is computed using equations (4)- (7).…”

Section: CCLmentioning

confidence: 99%

“…Arcshaped slotted antenna with a bi-section method reduces the antenna's size in [17]. For good isolation, orthogonal placement of the antenna is preferred in [18]. Enhancing the antenna gain is achieved by placing the 6 × 6 FSS layer underneath the patch [19].…”

Section: Introductionmentioning

confidence: 99%

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Substrate analysis on the wideband, high gain flower-shaped MIMO antenna

2024

Phys. Scr.

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This article presents a single-element,flower-shaped two and four-element MIMO antenna with enhanced bandwidth and gain. The array consists of identical elements on three commonly used textile substrates- cotton, jeans, and felt material. For each of the three substrates, the impedance bandwidth, reflection coefficient and gain are used to assess the effectiveness of the recommended antenna. For the felt-based four-element MIMO antenna the outcomes of measurement and modelling are confirmed. Results reveal that the prototype provides a fractional bandwidth of 133.2 %, spans the UWB range (3.1 to 10.6 GHz) and X-band (8 GHz to 12 GHz), and has a maximum gain of 16.96 dB. To investigate the MIMO performance, MIMO metrics were computed which include Envelope Correlation Coefficient (ECC), Diversity Gain (DG), Mean Effective Gain (MEG), Channel Capacity Loss (CCL), and Total Active Reflection Coefficient (TARC).

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contrasting

confidence: 55%

Section: Eccmentioning

confidence: 99%

Section: CCLmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Substrate analysis on the wideband, high gain flower-shaped MIMO antenna

2024

Phys. Scr.

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“…A MIMO antenna with a fractal crescent shape is utilized for X and Ku-band wireless applications [13,14]. An UWB antenna design incorporating an EBG structure is proposed for similar applications [15].…”

Section: Introductionmentioning

confidence: 99%

Dual-band inset-fed diamond-shaped patch MIMO antenna for wireless communication applications

Raj,

Ketavath

2024

Phys. Scr.

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A compact inset-fed rectangular-shaped multiple-input multiple-output (MIMO) patch antenna with a diamond-shaped slot is proposed for dual-band wireless communication applications. It comprises with two identical rectangular-shaped radiating elements. The proposed inset-fed diamond-shaped slot MIMO patch (IDSMP) antenna has overall dimensions is 20 x 40 x 1.6 mm³. To achieve low mutual coupling and good diversity performance, circular slots are etched on the ground plane and diamond slots are etched from the rectangular radiating patches. The edge-to-edge separation between the radiating elements is 4mm. The IDSMP antenna is resonating at 8.2GHz and 14.0GHz frequencies and a gain of 5.63dBi and 5.43dBi respective operating frequency. It achieves the wider dual bandwidths of 400MHz (8.00GHz to 8.40GHz) and 940MHz (13.63GHz to 14.57GHz) of respective frequencies. The IDSMP antenna MIMO parameters are presented for the envelope correlation coefficient is < 0.0, diversity gain is > 9.9, channel capacity loss is < 0.1 bits/sec/Hz, mean effective gain is investigated (-4dB < MEG < -7dB), and total active reflection coefficient is also obtained. The simulated and experimentally attained values are presented, and it is showing fine agreement.

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