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Analyzing the Performance of Multiuser MIMO Uplink System with Detection Techniques


Affiliations
1 Department of Information Technology, Federal University of Technology, Minna-Niger State, Nigeria
2 Department of Computer Science, Federal University of Technology, Owerri-Imo State, Nigeria
3 Imo State University, Owerri, Imo State, Nigeria
4 Department of Information Technology, Federal University of Technology, Owerri-Imo State, Nigeria
 

This In this paper, performance analysis of multiuser multiple-input multiple-output (MU-MIMO) in terms of bit error rate (BER) against with detection techniques has been presented. With the increasing demand for wireless communication system that offers users better satisfaction, different detection schemes have been developed and implemented for uplink system. Hence, this paper was basically designed to study the effect of linear minimum mean square error (MMSE-Linear) and MMSE with signal interference cancellation (MMSE-SIC) detectors on BER performance of MU-MIMO system with based station antennas taken as 4 or 8 while the number of user equipment(UE) taken as 2, 4, or 8. Each UE is considered to be equipped with one antenna at time. A model representing the wireless communication of a MU-MIMO system in uplink scenario was developed as MATLAB program. Computer simulation was conducted using the developed model and the analysis of revealed that MMSE-SIC outperformed MMSE-linear. Nevertheless, an obvious observation was the fact with lower number of antenna at BS together with number of receive antenna of UE, the BER performance of both techniques were almost the same.

Keywords

BER, Detection Techniques, MMSE-Linear, MMSE-SIC, MU-MIMO.
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  • Analyzing the Performance of Multiuser MIMO Uplink System with Detection Techniques

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Authors

Temple C. Okeahialam
Department of Information Technology, Federal University of Technology, Minna-Niger State, Nigeria
Donatus O. Njoku
Department of Computer Science, Federal University of Technology, Owerri-Imo State, Nigeria
Gilean C. Onukwugha
Department of Computer Science, Federal University of Technology, Owerri-Imo State, Nigeria
Ikechukwu A. Amaefule
Imo State University, Owerri, Imo State, Nigeria
Janefrances E. Jibi
Department of Information Technology, Federal University of Technology, Owerri-Imo State, Nigeria

Abstract


This In this paper, performance analysis of multiuser multiple-input multiple-output (MU-MIMO) in terms of bit error rate (BER) against with detection techniques has been presented. With the increasing demand for wireless communication system that offers users better satisfaction, different detection schemes have been developed and implemented for uplink system. Hence, this paper was basically designed to study the effect of linear minimum mean square error (MMSE-Linear) and MMSE with signal interference cancellation (MMSE-SIC) detectors on BER performance of MU-MIMO system with based station antennas taken as 4 or 8 while the number of user equipment(UE) taken as 2, 4, or 8. Each UE is considered to be equipped with one antenna at time. A model representing the wireless communication of a MU-MIMO system in uplink scenario was developed as MATLAB program. Computer simulation was conducted using the developed model and the analysis of revealed that MMSE-SIC outperformed MMSE-linear. Nevertheless, an obvious observation was the fact with lower number of antenna at BS together with number of receive antenna of UE, the BER performance of both techniques were almost the same.

Keywords


BER, Detection Techniques, MMSE-Linear, MMSE-SIC, MU-MIMO.

References