1. Ho, C. D., T.-V. Nguyen, T. Huynh-The, T.-T. Nguyen, D. B. da Costa, and B. An, "Short-packet communications in wireless-powered cognitive IoT networks: Performance analysis and deep learning evaluation," IEEE Trans. Veh. Technol., Vol. 70, 2894-2899, 2021.
doi:10.1109/TVT.2021.3061157

2. Kamalaveni, A. and M. Ganesh Madhan, "A compact TRM antenna with high impedance surface for SAR reduction at 1800 MHz," AEU --- Int. J. Electron. Commun., Vol. 70, 1192-1198, 2016.
doi:10.1016/j.aeue.2016.06.002

3. Razzaqi, A. A., B. A. Khawaja, and M. Ramzan, "A triple-band antenna array for next-generation wireless and satellite-based applications," International Journal of Microwave and Wireless Technologies, Vol. 8, 71-80, Feb. 2016.
doi:10.1017/S1759078714001275

4. Patel, S. S., I. J. Zuazola, and W. G. Whittow, "Antenna with three dimensional 3D printed substrates," Microwave and Optical Technology Letters, Vol. 58, 741-744, Apr. 2016.
doi:10.1002/mop.29663

5. Guan, D. F., Y. S. Zhang, Z. P. Qian, and Y. Li, "Compact microstrip patch array antenna with parasitically coupled feed," IEEE Transactions on Antennas and Propagation, Vol. 64, 2531-2534, Jun. 2016.
doi:10.1109/TAP.2016.2547019

6. Wei, K., J. Y. Li, L. Wang, and Z. J. Xing, "Mutual coupling reduction by novel fractal defected ground structure bandgap filter," IEEE Transactions on Antennas and Propagation, Vol. 64, 4328-4335, Oct. 2016.
doi:10.1109/TAP.2016.2591058

7. Foudazi, A., M. T. Ghasr, and K. M. Donnell, "Mutual coupling in aperture-coupled patch antennas by orthogonal SIW line," IEEE International Symposium on Antennas and Propagation (APSURSI), 1587-1588, 2016.
doi:10.1109/APS.2016.7696500

8. Zhao, N. and W.-P. Tian, "CPW-fed dual-band MIMO antenna with common radiating element," Progress In Electromagnetics Research Letters, Vol. 62, 71-75, Sep. 2016.
doi:10.2528/PIERL16060706

9. Yan, S., P. J. Soh, and G. A. E. Vandenbosch, "Dual-band textile MIMO antenna based on Substrate Integrated Waveguide (SIW) technology," IEEE Transactions on Antennas and Propagation, Vol. 63, 4640-4647, 2015.
doi:10.1109/TAP.2015.2477094

10. Biswas, A. K. and U. Chakraborty, "Compact wearable MIMO antenna with improved port isolation for ultra-wideband applications," IET Microwaves, Antennas & Propagation, Vol. 13, 498-504, 2019.
doi:10.1049/iet-map.2018.5599

11. Biswas, A. K. and U. Chakraborty, "Investigation on decoupling of wideband wearable multiple-input multiple output antenna elements using microstrip neutralization line," RF and Microwave Computer Aided Engineering, Vol. e21723, 1-11, 2019.

12. Qu, L., H. Piao, Y. Qu, H. Kim, and H. Kim, "Circularly polarised MIMO ground radiation antennas for wearable devices," IET Electronics Letters, Vol. 54, 189-190, 2018.
doi:10.1049/el.2017.4348

13. Wen, D., Y. Hao, M. O. Munoz, H.Wang, and H. Zhou, "A compact and low-profile MIMO antenna using a miniature circular high-impedance surface for wearable applications," IEEE Transactions on Antennas and Propagation, Vol. 66, No. 1, 96-104, 2018.
doi:10.1109/TAP.2017.2773465

14. Chouhan, S., D. K. Panda, P. K. Khushwah, and P. K. Mishra, "Octagonal-shaped wideband MIMO antenna for human interface device and S-band application," International Journal of Microwave and Wireless Technologies1, Vol. 11, 287-296, 2019.
doi:10.1017/S1759078718001381

15. Pannu, P. and D. K. Sharma, "Miniaturize four-port UWB-MIMO antenna with tri-notched band characteristics," Microwave and Optical Technology Letters, Vol. 63, No. 5, 1489-1498, May 2021.
doi:10.1002/mop.32766

16. Ibrahim, A. A. and A. E. Ali, "High isolation 4-element ACS-fed MIMO antenna with band notched feature for UWB communications," Int. J. Microw. Wireless Technol., Vol. 69, 1-11, Feb. 2021.

17. Desai, A., J. Kulkarni, M. M. Kamruzzaman, Š. Hubálovský, H.-T. Hsu, and A. A. Ibrahim, "Interconnected CPW fed flexible 4-port MIMO antenna for UWB, X, and Ku band applications," IEEE Access, Vol. 10, 57641-57654, 2022.
doi:10.1109/ACCESS.2022.3179005

18. Varadhan, C., S. Arulselvi, and F. A. Chamatu, "Effects of the FR 4 substrate realized in a circularly polarized UHF-RFID reader antenna with fractal geometry for enhancing parameters," Advances in Materials Science and Engineering, Vol. 2021, Article ID 8475621, 7 pages, 2021.

19. Elobied, A. A., X.-X. Yang, N. Xie, and S. Gao, "Dual-band 2 × 2 MIMO antenna with compact size and high isolation based on half-mode SIW," International Journal of Antennas and Propagation, Vol. 2020, Article ID 2965767, 11 pages, 2020.

20. Kumar, P., S. Urooj, and F. Alrowais, "Design and implementation of quad-port MIMO antenna with dual-band elimination characteristics for ultra-wideband applications," Appl. Sci., Vol. 10, 1715, 2020.
doi:10.3390/app10051715

21. Ashyap, A. Y. I., et al. "Highly efficient wearable CPW antenna enabled by EBG-FSS structure for medical body area network applications," IEEE Access, Vol. 6, 77529-77541, 2018.
doi:10.1109/ACCESS.2018.2883379

22. Mu, G. and P. Ren, "A compact dual-band metasurface-based antenna for wearable medical body-area network devices," Journal of Electrical and Computer Engineering, Vol. 2020, Article ID 4967198, 10 pages, 2020.

23. Liao, C.-T., Z.-K. Yang, and H.-M. Chen, "Multiple integrated antennas for wearable fifth-generation communication and internet of things applications," IEEE Access, Vol. 9, 120328-120346, 2021.
doi:10.1109/ACCESS.2021.3107730

24., IEEE Std. C95.1 (2005) IEEE standard for safety levels with respect to human exposure to the radio frequency electromagnetic fields 3 kHz to 300 GHz.

25. Ameen, M., O. Ahmad, and R. K. Chaudhary, "Bandwidth and gain enhancement of triple-band MIMO antenna incorporating metasurface based reflector with for WLAN/WiMAX applications," IET Microwave, Antenna Propag., Vol. 14, No. 13, 1493-1503, Oct. 2020.
doi:10.1049/iet-map.2020.0350

26. Li, Q. L., S. W. Cheung, D. Wu, and T. I. Yuk, "Optically transparent dualband MIMO antenna using micro-metal mesh conductive film for WLAN system," IEEE Antennas Wireless Propag. Lett., Vol. 16, 920-923, 2017.
doi:10.1109/LAWP.2016.2614577

27. Li, W., Y. Hei, P. M. Grubb, X. Shi, and R. T. Chen, "Compact inkjetprinted flexible MIMO antenna for UWB applications," IEEE Access, Vol. 6, 5029-50298, 2018.

28. Alqadami, A. S. M., M. F. Jamlos, P. J. Soh, and G. A. Vandenbosch, "Assessment of PDMS technology in a MIMO antenna array," IEEE Antennas Wireless Propag. Lett., Vol. 15, 1939-1942, 2016.
doi:10.1109/LAWP.2015.2513960

29. Li, H., S. Sun, B. Wang, and F. Wu, "Design of compact single-layer textile MIMO antenna for wearable applications," IEEE Transactions on Antennas and Propagation, Vol. 66, No. 6, 3136-3141, Jun. 2018.
doi:10.1109/TAP.2018.2811844

30. Jha, K. R., Z. A. P. Jibran, C. Singh, and S. K. Sharma, "4-port MIMO antenna using common radiator on a flexible substrate for sub-1 GHz, sub-6 GHz 5G NR, and Wi-Fi 6 applications," IEEE Open J. Antennas Propag., Vol. 2, 689-701, 2021.
doi:10.1109/OJAP.2021.3083932

31. Wang, Q., N. Mu, L. Wang, S. Safavi-Naeini, and J. Liu, "5G MIMO conformal microstrip antenna design," Wireless Commun. Mobile Comput., Vol. 2017, Art. No. 7616825, Dec. 2017.

32. Jilani, S. F., A. Rahimian, Y. Alfadhl, and A. Alomainy, "Low-profile flexible frequency-reconfigurable millimetre-wave antenna for 5G applications," Flexible Printed Electron., Vol. 3, No. 3, Art. No. 035003, 2018.

33. Qiu, H., H. Liu, X. Jia, Z.-Y. Jiang, Y.-H. Liu, J. Xu, T. Lu, M. Shao, T.-L. Ren, and K. J. Chen, "Compact, flexible, and transparent antennas based on embedded metallic mesh for wearable devices in 5G wireless network," IEEE Transactions on Antennas and Propagation, Vol. 69, No. 4, 1864-1873, Apr. 2021.
doi:10.1109/TAP.2020.3035911

34. Desai, A., M. Palandoken, J. Kulkarni, G. Byun, and T. K. Nguyen, "Wideband flexible/transparent connected-ground MIMO antennas for sub-6 GHz 5G and WLAN applications," IEEE Access, Vol. 9, 147003-147015, 2021.
doi:10.1109/ACCESS.2021.3123366