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Efficient analysis of MIMO-OFDM system in Nakagami-m fading channel

In this study, authors have used binary phase-shift keying (BPSK) and quadrature phase-shift keying (QPSK) modulation techniques to modulate the data stream. In addition, numerical results have been presented and compared for several different environmental propagations such as Nakagami-m, Rician, Rayleigh multipath fading channels, and non-fading additive white Gaussian noise (AWGN) channel. | Journal of Science and Technology 54 (6) (2016) 698-707 DOI: 10.15625/0866-708X/54/6/8311 EFFICIENT ANALYSIS OF MIMO-OFDM SYSTEM IN NAKAGAMI-m FADING CHANNEL Van-Cuu Ho, Hoang-Hiep Le*, Thu-Hang Thi Nguyen Faculty of Electronics – Telecommunications, Saigon University, 273 An Duong Vuong Street, Ward 3, District 5, Ho Chi Minh City, Vietnam Email: lehoanghiep@gmail.com Received: 9 May 2016; Accepted for publication: 31 July 2016 ABSTRACT Bit error rate (BER) and symbol error rate (SER) performance response fading parameter for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system over Nakagami-m fading channel would be provided in this study. Some channel simulations and evaluations were for 2×2 MIMO-OFDM system in which data are sent from two transmit antennas to two receive antennas. In this study, authors have used binary phase-shift keying (BPSK) and quadrature phase-shift keying (QPSK) modulation techniques to modulate the data stream. In addition, numerical results have been presented and compared for several different environmental propagations such as Nakagami-m, Rician, Rayleigh multipath fading channels, and non-fading additive white Gaussian noise (AWGN) channel. Based on such obtained presentation and comparison, the paper would discuss further about relation between value of paramater m and quality of system. Keywords: MIMO, OFDM, Nakagami-m Fading, Rayleigh Fading, Rician Fading, AWGN. 1. INTRODUCTION MIMO-OFDM is one of interesting issues which have been discussed more and more nowadays. It has also played as an important technique for high speed wireless transmission in recent years. MIMO system with OFDM gives higher gain by using the direct and the reflected signals, thus facilitating the transmission at high data rate. Another main reason is that it presents a good efficiency for demand of increasing channel capacity in wireless and mobile communication due to reliable high speed data and multimedia .