Performance Improvement in MIMO-OFDM System by PAPR Reduction

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Provided by: International Journal for Innovative Research in Science and Technology (IJIRST)
Topic: Mobility
Format: PDF
In this paper, the authors propose an advanced MIMO-OFDM (Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing) reconfigurable architecture along with companding transform. The reconfigurable architecture uses switching algorithm between MIMO diversity and special multiplexing which allows selecting the MIMO configuration and improves the BER. The major drawback of OFDM system is Peak to Average Power Ratio (PAPR). Many techniques were developed to reduce PAPR. Considering all available PAPR reduction techniques, companding transform is attractive technique for its simplicity.
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