CIR Performace of One-third ICI-SC Subcarrier Mapping Technique with STFBC in MIMO-OFDMA System

Authors

  • Hanis Adiba Mohamad Wireless Communication Technology Group (WiCoT), Advanced Computing and Communication Communities of Research, Faculty of Electrical Engineering, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Malaysia
  • Azlina Idris Wireless Communication Technology Group (WiCoT), Advanced Computing and Communication Communities of Research, Faculty of Electrical Engineering, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Malaysia
  • Kaharudin Dimyati Wireless Communication Technology Group (WiCoT), Advanced Computing and Communication Communities of Research, Faculty of Electrical Engineering, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Malaysia

Keywords:

Carrier to Interference Ratio, Intercarrier Interference Self-Cancellation, Space Time Frequency Block codes, Mapping Technique,

Abstract

In multiple input multiple output (MIMO) with orthogonal frequency division multiple access (OFDMA) system, intercarrier interference (ICI) is one of the major drawback in the system. This is due to the orthogonality of the subcarrier which has been destroyed by frequency offset (FO) and thus degrades the system performance. In order to overcome this problem, one-third intercarrier interference selfcancellation (ICI-SC) subcarrier mapping method with space time frequency block codes (STFBC) is proposed. Average power desired (APD) signal, ICI and carrier to interference ratio (CIR) are derived theoretically and the proposed signal is analyzed with other previous methods. As a result, it is proven that by choosing the suitable subcarrier mapping with ICI-SC method, MIMO-OFDMA system performance which affected by FO can be improved with maximum diversity order.

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Published

2017-03-15

How to Cite

Mohamad, H. A., Idris, A., & Dimyati, K. (2017). CIR Performace of One-third ICI-SC Subcarrier Mapping Technique with STFBC in MIMO-OFDMA System. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), 9(1-3), 113–117. Retrieved from https://jtec.utem.edu.my/jtec/article/view/1754

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