1. Rappaport, T. S., J. N. Murdock, and F. Gutierrez, "State of the art in 60-GHz integrated circuits and systems for wireless communications," Proceedings of the IEEE, Vol. 99, No. 8, 1390-1436, IEEE, 2011.
doi:10.1109/JPROC.2011.2143650
2. Rappaport, T. S., S. Sun, R. Mayzus, H. Zhao, Y. Azar, K. Wang, G. N. Wong, J. K. Schulz, M. Samimi, and F. Gutierrez, "Millimeter wave mobile communications for 5G cellular: It will work!," IEEE Access, Vol. 1, 335-349, 2013.
doi:10.1109/ACCESS.2013.2260813
3. Chih-Lin, I., C. Rowell, S. Han, Z. Xu, G. Li, and Z. Pan, "Toward green and soft: A 5G perspective," IEEE Communications Magazine, Vol. 52, No. 2, 66-73, 2014.
doi:10.1109/MCOM.2014.6736745
4. Foschini, G. J. and M. J. Gans, "On limits of wireless communications in a fading environment when using multiple antennas," Wireless Personal Communications, Vol. 6, No. 3, 311-335, 1998.
doi:10.1023/A:1008889222784
5. Lau, B. K., "Multiple antenna terminals," MIMO: From Theory to Implementation, 267-298, 2011.
6. Al-Hadi, A. A. and R. Tian, "Impact of multiantenna real estate on diversity and MIMO performance in mobile terminals," IEEE Antennas and Wireless Propagation Letters, Vol. 12, 1712-1715, 2013.
doi:10.1109/LAWP.2013.2293596
7. WRC-15 Press Release "World radio communication conference allocates spectrum for future innovation,", [online], available: http://www.itu.int/net/pressoffice/pressreleases/2015/56, Nov. 27, 2015.
8. MT-2020 (5G) Promotion Group "White paper on 5G concept,", [online], available: http://www.-imt-2020.org.cn/zh/documents/download/4, Feb. 2015.
9. Qualcomm "Making the best use of licensed and unlicensed spectrum,", [online], available: https://www.qualcomm.com/media/documents/files/making-the-best-useof-unlicensed-spectrum-presentation.pdf, Sep. 2015.
10. SK Telecom "SK telecom 5G white paper,", [online], available: http://www.sktelecom.com-/img/pds/press/SKT5G%20White%20PaperV1.0 Eng.pdf, Oct. 2014.
11. Ali, S. M., A. Mobasher, and P. Lusina, "User presence and antenna efficiency effects on MIMO link performance," 72nd Vehicular Technology Conference Fall (VTC 2010-Fall), 1-5, IEEE, 2010.
12. Goldsmith, A., S. A. Jafar, N. Jindal, and S. Vishwanath, "Capacity limits of MIMO channels," IEEE Journal on Selected Areas in Communications, Vol. 21, No. 5, 684-702, 2003.
doi:10.1109/JSAC.2003.810294
13. Skafidas, E. and R. J. Evans, "Antenna effects on the capacity of MIMO communications systems in Rayleigh channels," 15th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, Vol. 1, 617-621, IEEE, 2004.
14. Piazza, D., N. J. Kirsch, A. Forenza, R. W. Heath, and K. R. Dandekar, "Design and evaluation of a reconfigurable antenna array for MIMO systems," IEEE Transactions on Antennas and Propagation, Vol. 56, No. 3, 869-881, 2008.
doi:10.1109/TAP.2008.916908
15. Kildal, P. S. and K. Rosengren, "Correlation and capacity of MIMO systems and mutual coupling, radiation efficiency, and diversity gain of their antennas: Simulations and measurements in a reverberation chamber," IEEE Communications Magazine, Vol. 42, No. 12, 104-112, 2004.
doi:10.1109/MCOM.2004.1367562
16. Vasilev, I. and B. K. Lau, "On user effects in MIMO handset antennas designed using characteristic modes," IEEE Antennas and Wireless Propagation Letters, Vol. 15, 758-761, 2016.
doi:10.1109/LAWP.2015.2472288
17. Ying, Z., "Antennas in cellular phones for mobile communications," Proceedings of the IEEE, Vol. 100, No. 7, 2286-2296, 2012.
doi:10.1109/JPROC.2012.2186214
18. Buskgaard, E., A. Tatomirescu, S. C. Del Barrio, O. Franek, and F. F. Pedersen, "User effect on the MIMO performance of a dual antenna LTE handset," 8th European Conference on Antennas and Propagation (EuCAP), 2006-2009, IEEE, 2014.
doi:10.1109/EuCAP.2014.6902199
19. Li, C. H., E. Ofli, N. Chavannes, and N. Kuster, "Effects of hand phantom on mobile phone antenna performance," IEEE Transactions on Antennas and Propagation, Vol. 57, No. 9, 2763-2770, 2009.
doi:10.1109/TAP.2009.2027081
20. Taga, T. and K. Tsunekawa, "Performance analysis of a built-in planar inverted F antenna for 800 MHz band portable radio units," IEEE Journal on Selected Areas in Communications, Vol. 5, No. 5, 921-929, 1987.
doi:10.1109/JSAC.1987.1146593
21. Sato, K., K. Matsumoto, K. Fujimoto, and K. Hirasawa, "Characteristics of a planar inverted-F antenna on a rectangular conducting body," Electronics and Communications in Japan (Part I: Communications), Vol. 72, No. 10, 43-51, 1989.
doi:10.1002/ecja.4410721005
22. Taga, T., "Analysis of planar inverted-F antennas and antenna design for portable radio equipment," Analysis, Design, and Measurement of Small and Low Profile Antennas, 161-180, 1992.
23. Vainikainen, P., J. Ollikainen, O. Kivekas, and K. Kelander, "Resonator-based analysis of the combination of mobile handset antenna and chassis," IEEE Transactions on Antennas and Propagation, Vol. 50, No. 10, 1433-1444, 2002.
doi:10.1109/TAP.2002.802085
24. Ilvonen, J., O. Kivekas, J. Holopainen, R. Valkonen, K. Rasilainen, and P. Vainikainen, "Mobile terminal antenna performance with the user’s hand: Effect of antenna dimensioning and location," IEEE Antennas and Wireless Propagation Letters, Vol. 10, 772-775, 2011.
doi:10.1109/LAWP.2011.2163290
25., Schmid and Partner Engineering AG: 2010-2016 https://www.speag.com/products/emphantom/-hands/3to6ghz-hands-2/.