BER Analysis of MIMO-OFDM System using Alamouti STBC and MRC Diversity Scheme over Rayleigh Multipath Channel

BER Analysis of MIMO-OFDM System using Alamouti STBC and MRC Diversity Scheme over Rayleigh Multipath Channel

Ripan Kumar Roy

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Tushar Kanti Roy

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α Rajshahi University of Engineering and Technology

BER Analysis of MIMO-OFDM System using Alamouti STBC and MRC Diversity Scheme over Rayleigh Multipath Channel

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Abstract

This paper represents a bit error rate performance analysis of multiple-input-multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) system with Alamouti Space Time Block Code (STBC) and Maximal Ratio Combining (MRC) diversity scheme over Rayleigh fading channel. Recently, Alamouti STBC has gained much attention as an effective transmit diversity scheme to provide reliable transmission with high peak data rates to increase the capacity of wireless communication system. In this paper, the analysis of Alamouti STBC is used in MIMO-OFDM system to assure transmit diversity and the receive diversity is resolved with MRC diversity technique. For a fixed number of transmit antennas, the performance of Alamouti STBC is analyzed in terms of probability of bit error and diversity gain for a Rayleigh fading channel. At the receiving end, the signals received from multiple paths are weighted and summed in accordance with MRC scheme which provides maximum performance improvement by maximizing the SNR of the MIMO-OFDM system. The simulated results depict that the proposed MIMO-OFDM system concatenated with Alamouti STBC and MRC outperforms conventional SISO-OFDM, MISO-OFDM with Alamouti STBC and SIMO-OFDM with MRC technique in a scattering environment.

References

7 Cites in Article

Reference Format

N Khoa,Kishor Le,Dabke (2010). BER of OFDM with diversity and pulse shaping in Rayleigh fading environments.
Geert Kun Fang,Luca Leus,Rugini (2006). Alamouti Space-Time Coded OFDM Systems in Time-and Frequency-Selective Channels.
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Theodore Rappaport (2002). Wireless Communications.
Tushar Kanti,Roy (2012). BER Performance Analysis of MRC for OFDM System using Different Modulation Schemes over Rayleigh Fading Channel.
Lavish Kansal,Ankush Kansal,Kulbir Singh (2011). Performance Analysis of MIMO-OFDM System Using QOSTBC Code Structure for M-QAM.
Tushar Kanti,Roy,Monir Morshed (2013). Performance Analysis of PDC over Rayleigh Fading Channel for OFDM System.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Ripan Kumar Roy. 2013. \u201cBER Analysis of MIMO-OFDM System using Alamouti STBC and MRC Diversity Scheme over Rayleigh Multipath Channel\u201d. Global Journal of Research in Engineering - F: Electrical & Electronic GJRE-F Volume 13 (GJRE Volume 13 Issue F13): .

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GJRE Volume 13 Issue F13
Pg. 21- 29

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

Alamouti STBC BER BPSK modulation MIMO MRC diversity OFDM Rayleigh channel SNR

Submission ReceivedDecember 13, 2012
Peer Review Double Blind
Handling Editor
Accepted January 3, 2013
Published January 15, 2013

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Issue date

October 31, 2013

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Article Matrices

Total Score: 102

Country: Bangladesh

Subject: Global Journal of Research in Engineering - F: Electrical & Electronic

Authors: Ripan Kumar Roy, Tushar Kanti Roy (PhD/Dr. count: 0)

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