volume | PIER Journals

Abstract

Multiple-Input Multiple-Output (MIMO) antennas are essential for transmitting and receiving information in Vehicle to Everything (V2X) communication. However, the MIMO antenna designs at V2X are complex because of the mutual coupling problem. Several approaches have been designed to improve antenna isolation. However, these approaches have drawbacks like gain, bandwidth, and radiation efficiency reductions. This work introduces a compact four-port MIMO antenna that operates at a 5.85 GHz to 5.9 GHz frequency range for V2X communication. Here, the slotted circular microstrip patch MIMO antenna is considered. The antenna's length, width, and patch are optimized by metaheuristic optimization called Aquila Optimization (AO). A substrate Rogers RT5880, which has a defected ground structure (DGS) and a parasitic patch, is used to design the antenna. F-shaped parasitic elements are placed near each antenna element to improve isolation. The DGS with a U-shaped parasitic element minimizes the mutual coupling among the adjacent antenna elements. The considered overall dimension has a compact size, and it achieves better envelope correlation coefficient (ECC < 0.5), total active reflection coefficient (TARC < -10 dB), diversity gain (DG > 9.9 dB), channel capacity loss (CCL < 0.4), and mean effective gain (MEG < 3 dB) at 5.88 GHz. Hence, it is proposed that the developed design is useful for applying V2X communications.

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30. Kumar, Praveen, Rashmi Sinha, Arvind Choubey, and Santosh Kumar Mahto, "A novel metamaterial electromagnetic band gap (MM-EBG) isolator to reduce mutual coupling in low-profile MIMO antenna," Journal of Electronic Materials, Vol. 51, No. 2, 626-634, 2022.

31. Kumar, Praveen, Rashmi Sinha, Arvind Choubey, and Santosh Kumar Mahto, "DGS based miniaturized wideband MIMO antenna with efficient isolation for C band applications," Frequenz, Vol. 77, No. 3-4, 163-172, 2023.

32. Kumar, Praveen, Ajit Kumar Singh, Ranjeet Kumar, Santosh Kumar Mahto, Pravesh Pal, Rashmi Sinha, Arvind Choubey, and Ahmed Jamal Abdullah Al-Gburi, "Design and analysis of low profile stepped feedline with dual circular patch MIMO antenna and stub loaded partial ground plane for wireless applications," Progress In Electromagnetics Research C, Vol. 140, 135-144, 2024.

33. Mahto, S. K., A. K. Singh, R. Sinha, M. Alibakhshikenari, S. Khan, and G. Pau, "High isolated four element MIMO antenna for ISM/LTE/5G (sub-6 GHz) applications," IEEE Access, Vol. 11, 82946-82959, 2023.

34. Singh, A. K., S. K. Mahto, and R. Sinha, "A miniaturized MIMO antenna for C, X, and Ku band applications," Progress In Electromagnetics Research C, Vol. 117, 31-40, 2021.

35. Singh, A. K., S. K. Mahto, and R. Sinha, "Compact super-wideband MIMO antenna with improved isolation for wireless communications," Frequenz, Vol. 75, No. 9-10, 407-417, 2021.

36. Kumar, P., R. Sinha, A. Choubey, and S. K. Mahto, "A miniaturized rectangular shape narrowband MIMO antenna with reduced mutual coupling for C-band applications," Journal of Electromagnetic Waves and Applications, Vol. 36, No. 12, 1717-1730, 2022.

37. Singh, A. K., S. K. Mahto, R. Sinha, and , "Circular shape dual element MIMO antenna for 5G (sub-6 GHz) application," 2022 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), 583-587, Bangalore, India, Dec. 2022.

38. Mistri, R. K., A. K. Singh, S. K. Mahto, and R. Sinha, "Quad element millimetrewave MIMO antenna for 5G communication," Journal of Electromagnetic Waves and Applications, Vol. 37, No. 15, 1258-1273, 2023.

39. Singh, A. K., S. K. Mahto, and R. Sinha, "Dual element MIMO antenna with improved radiation efficiency for 5G millimeter-wave applications," 2022 IEEE Region 10 Symposium (TENSYMP), 1-5, Mumbai, India, Jul. 2022.

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41. Singh, A. K., S. K. Mahto, P. Kumar, R. K. Mistri, and R. Sinha, "Reconfigurable circular patch MIMO antenna for 5G (sub‐6 GHz) and WLAN applications," International Journal of Communication Systems, Vol. 35, No. 16, e5313, 2022.

42. Singh, A. K., S. K. Mahto, and R. Sinha, "Reconfigurable dual element dual band MIMO antenna for 5G (sub-6 GHz) and WLAN applications," COMPEL --- The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, Vol. 41, No. 5, 1940-1955, 2022.

Dr. Maruti R. Jadhav

Dr. Uttam L. Bombale