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Performance Analysis of MIMO-OFDM System Using QOSTBC Code Structure for M-PSK
Ankush Kansal, Lavish Kansal, Kulbir Singh
Pages - 19 - 32     |    Revised - 01-05-2011     |    Published - 31-05-2011
Volume - 5   Issue - 2    |    Publication Date - May / June 2011  Table of Contents
MIMO-OFDM system has been currently recognized as one of the most competitive technology for 4G mobile wireless systems. MIMO-OFDM system can compensate for the lacks of MIMO systems and give play to the advantages of OFDM system. In this paper, a general Quasi orthogonal space time block code (QOSTBC) structure is proposed for multiple-input multiple-output–orthogonal frequency-division multiplexing (MIMO-OFDM) systems for 4X4 antenna configuration. The signal detection technology used in this paper for MIMO-OFDM system is Zero-Forcing Equalization (linear detection technique). In this paper the analysis of high level of modulations (i.e. M-PSK for different values of M) on MIMO-OFDM system is presented. Here AWGN and Rayleigh channels have been used for analysis purpose and their effect on BER for high data rates have been presented. The proposed MIMO-OFDM system with QOSTBC using 4X4 antenna configuration has better performance in terms of BER vs SNR than the other systems.
CITED BY (9)  
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3 Pandey, D., & Dewangan, N. (2014). MSE and SER Compare For LS, MMSE and SMMSE for BCE Technique in OFDM. i-Manager's Journal on Communication Engineering and Systems, 3(3), 14.
4 Kaur, N., & Kansal, L. (2013).Peak to Average Power Ratio Reduction of OFDM Signal by Combining Clipping with Walsh Hadamard Transform. International Journal of Wireless & Mobile Networks, 5(1), 33.
5 Kaur, N., & Kansal, L. (2013).Reducing the Peak to Average Power Ratio of OFDM Signal through Discrete Cosine Transform-II. International Journal of Electrical, Electronics and Computer Systems, 12(2).
6 Kaur, N., & Kansal, L. (2013).Performance Comparison of MIMO Systems over AWGN and Rayleigh Channels using OSTBC3 with Zero Forcing Receivers. International Journal of Electrical, Electronics and Computer Systems, 12(2), 686-693.
7 Kaur, L. K. (2013). Peak to Average Power Ratio Reduction of OFDM Signal by Combining Clipping with Discrete Cosine Transform-II. Global Journal of Researches In Engineering, 13(6).
8 Kaur, N., & Kansal, L. (2013).Discrete cosinetransform-ii for reduction in peak to average power ratio of ofdm signals through µ-law companding technique. international journal of wireless & mobile networks, 5(2), 143.
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Mr. Ankush Kansal
Mr. Lavish Kansal
Dr. Kulbir Singh