Defected Circular-Cross Stub Copper Metal Printed Pentaband Antenna

Saravanakumar, R.; Burri, Praveen Kitti; Palanisamy, Satheeshkumar; Kandasamy, Anguraj; Devi, B. Aruna; Mamo, Samson Alemayehu

doi:10.1155/2022/6009092

Cited by 15 publications

(6 citation statements)

References 30 publications

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“…Using the suggested pulse-shaping filter, the PAPR is reduced by around 3 dB, according to numerical simulations. According to Jayati et al [ 17 ], HPA nonlinearities have an impact on GFDM systems.…”

Section: Literature Surveymentioning

confidence: 99%

A Novel partial sequence technique based Chaotic biogeography optimization for PAPR reduction in generalized frequency division multiplexing waveform

Xue,

Palanisamy,

et al. 2023

Heliyon

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Section: Literature Surveymentioning

confidence: 99%

A Novel partial sequence technique based Chaotic biogeography optimization for PAPR reduction in generalized frequency division multiplexing waveform

Xue,

Palanisamy,

et al. 2023

Heliyon

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“…Adding numerous branches and a shorting pin improves isolation between two adjacent dual-band monopole antennas [47]. In [48], two folded monopoles employed with mutual coupling decreased through transmission lines on the upper surface and slots on the ground plane. Te monopole antenna in [49] is of the four-shaped variety.…”

Section: Related Workmentioning

confidence: 99%

An Isolation Improvement for Closely Spaced MIMO Antenna Using λ/4 Distance for WLAN Applications

Suganya¹,

Prabhu

Palanisamy³

et al. 2023

International Journal of Antennas and Propagation

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An isolation improvement for a closely spaced quad port multiple-input multiple-output (MIMO) antenna for WLAN applications is presented. The proposed antenna consists of four L-shaped monopole microstrip patch antennas with a rectangular slot at the center and truncated edges at the corner of each patch element. Interelement isolation is improved by more than 12 dB by considering the patch size, ground size, and distance between the patch elements. The designed antenna uses λ/4 distance between the patch elements. The slot in each patch improves the bandwidth, and truncated edges at the corner of the patch improve the impedance matching of the antenna. The proposed MIMO antenna is designed with the overall dimensions of 45.5 mm × 45.5 mm × 1.96 mm. The MIMO parameters for the proposed technique, which include envelope correlation coefficient (E.C.C.) are less than 0.5, and the diversity gain (D.G.) is 10 dB, suggesting this antenna’s suitability for MIMO operations. The average peak realized gain (A.P.R.G.) and radiation efficiency (RE) is 2.8 dBi and greater than 80% for the prescribed band of interest. The antenna element is fabricated and tested using microwave analyzer N9917A. The measured result seems to be in good contact with the simulation. The proposed MIMO antenna is well-suitable for WLAN applications.

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“…Dhanasekaran et al [ 31 ] presented a game theory-based MIMO-OFDM communication system for reducing the BER and NMSE value. This work improves the performance of the MIMO-OFDM system [ 32 , 33 , 34 , 35 , 36 ]. Ramalingam et al introduced various communication protocols using optimization techniques and IoT networks [ 31 , 37 , 38 , 39 , 40 , 41 , 42 ].…”

Section: Literature Surveymentioning

confidence: 99%

Discrete Fourier Transform with Denoise Model Based Least Square Wiener Channel Estimator for Channel Estimation in MIMO-OFDM

Dhanasekaran¹,

Palanisamy²,

Hajjej

et al. 2022

Entropy

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Multiple-input Multiple-Output (MIMO) systems require orthogonal frequency division multiplexing to operate efficiently in multipath communication (OFDM). Channel estimation (C.E.) is used in channel conditions where time-varying features are required. The existing channel estimation techniques are highly complicated. A channel estimation algorithm is needed to estimate the received signal’s correctness. In order to resolve this complexity in C.E. methodologies, this paper developed an Improved Channel Estimation Algorithm integrated with DFT-LS-WIENER (ICEA-DA). The Least Square (L.S.) and Minimum Mean Square Error (MMSE) algorithms also use the Discrete Fourier Transform (DFT)-based channel estimation method. The DFT-LS-WIENER channel estimation approach is recommended for better BER performance. The input signal is modulated in the transmitter module using the Quadrature Phase Shift Keying (QPSK) technique, pulse modeling, and least squares concepts. The L.S. Estimation technique needs the channel consistent throughout the estimation period. DFT joined with L.S. gives higher estimation precision and limits M.S.E. and BER. Experimental analysis of the proposed state-of-the-art method shows that DFT-LS-WIENER provides superior performance in terms of symbol error rate (S.E.R.), bit error rate (BER), channel capacity (CC), and peak signal-to-noise (PSNR). At 15 dB SNR, the proposed DFT-LS-WIENER techniques reduce the BER of 48.19%, 38.19%, 14.8%, and 14.03% compared to L.S., LS-DFT, MMSE, and MMSE-DFT. Compared to the conventional algorithm, the proposed DFT-LS-WIENER outperform them.

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Defected Circular-Cross Stub Copper Metal Printed Pentaband Antenna

Cited by 15 publications

References 30 publications

A Novel partial sequence technique based Chaotic biogeography optimization for PAPR reduction in generalized frequency division multiplexing waveform

A Novel partial sequence technique based Chaotic biogeography optimization for PAPR reduction in generalized frequency division multiplexing waveform

An Isolation Improvement for Closely Spaced MIMO Antenna Using λ/4 Distance for WLAN Applications

Discrete Fourier Transform with Denoise Model Based Least Square Wiener Channel Estimator for Channel Estimation in MIMO-OFDM

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