• Nguyen Thi Phuong Hoa Hung Yen University of Technology and Education
  • Nguyen Quoc Binh Hán Hung Yen University of Technology and Education


The MIMO-STBC system based on the generalization of the Alamouti scheme has been widely applied in practicing due to their advantages in terms of band width, coding and decoding, achievement in diversity gain with linear processing in receivers or suitable for compact mobile machines which are difficult to implement for multiple antennas that have been researched extensively in linear situation. Some evaluation of nonlinear distortion effect caused by HPA have implemented in [11], [12] but the determination of the relationship between the nonlinear parameters with system parameters is not specified. This paper provides an experiment formula for calculating the SNRD (Signal-to-Noise Degradation) according to the dd (dd: Distance Degradation) in the MISO 2×1 STBC system.


Nguyễn Thị Hằng Nga, Nghiên cứu nâng cao chất lượng hệ thống vi ba số dung lượng cap, Luận án Tiến sĩ Kỹ thuật, Học viện Công nghệ Bưu chính Viễn thông, Bộ Giáo dục Đào tạo, 2003.

Alamouti S., A Simple Transmit Diversity Technique for Wireless Communications. IEEE Journal on Selected Areas in Communications, 1998, vol. 16, no. 8, pp. 1451-1458.

Bahceci I., Altunbasak Y., and Duman T. M., Space-time coding over correlated fading channels with antenna selection. IEEE Transaction on Wireless Communication, 2006, vol. 5, no. 1, pp. 34-39.

Binh N. Q., Bérces J., and Frigyes I., Estimation Of The Effect Of Nonlinear High Power Amplifier in M-QAM Radio Relay Systems, Proc. The Periodica Polytechnica SER. EL. ENG., Hungary, 1995.

Binh N. Q., Bien N. T., and Thang N.T. , The usability of distance degradation in estimation of signal to noise ratio degradation caused by the effect of nonlinear transmit amplifiers and optimum additional phase shift in 256-QAM systems. Proceedings of International Conference on Advanced Technologies for Communication, Ha Noi, Viet Nam, 2010, pp. 258-261.

C. E. Shannon, The Mathematical Theory of Communication, University of Illinois Press, 1949.

Dantona V., et al., Impact of Nonlinear Power Amplifiers on the Performance of Precoded MIMO Satellite Systems. Proceeding of IEEE First AESS European Conference, Rome, Italy, 2012, pp. 1-7.

F.H.Gregorio, Analysis and Compensation of Nonlinear Power Amplifier Effects in Multiantenna OFDM Systems. PhD, Helsinki University of Technology, Espoo, Finland, 2007.

Saleh A. A. M., Frequency-Independent and Frequency Dependent Nonlinear Models of TWT Amplifiers. IEEE Transaction on Communication, 1981, vol. 29, no. 11, pp. 1715-1720.

Su W., Xia X.-G., and Liu K. J. R., A systematic design of highrate complex orthogonal spacetime block codes. IEEE Communication Letter, 2004, vol. 8, no. 6, pp. 380-382.

Q.Jian and S.Aissa, On the effect of Power Amplifier Nonlinearity on MIMO transmit diversity systems. Proceedings of International Conference on Communications, Dresen, Gemany, 2009, pp. 1-5.

A.I.Sulyman and M.Ibnkahla, Performance Analysis of nonlinearity Amplified M-QAM signals in MIMO channels. European Transactions on Telecommunications, 2008, vol. 19, pp. 15-22.

How to Cite
Nguyen Thi Phuong Hoa, & Hán, N. Q. B. (2018). AN EVALUATION OF THE EFFECT OF NONLINEAR DISTORTION CAUSED BY HPA IN THE MISO 2×1 STBC SYSTEM. UTEHY Journal of Science and Technology, 17, 38-43. Retrieved from