Binary Weightbook Design for MIMO OFDM System Using Quantized Feedback
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


Downloads: 111 | Views: 252

Research Paper | Electronics & Communication Engineering | India | Volume 3 Issue 10, October 2014 | Popularity: 6.6 / 10


     

Binary Weightbook Design for MIMO OFDM System Using Quantized Feedback

Sadguna Kumari V, AM Prasad


Abstract: : A particularly promising candidate for next-generation fixed and mobile wireless systems is the combination of MIMO technology with Orthogonal Frequency Division Multiplexing (OFDM). OFDM is a subset of frequency division multiplexing in which a single channel utilizes multiple sub-carriers on adjacent frequencies. MIMO wireless systems are of interest due to their ability to provide substantial gains in capacity and quality. Transmit Beam forming and Receive combining are simple methods for exploiting significant diversity that is available in MIMO wireless systems. Orthogonal Frequency Division Multiplexing (OFDM) effectively deals with detrimental effects caused due to frequency selective fading, which is the major challenging issue in wireless communications. Optimal performance of MIMO-OFDM systems require complete knowledge about the channel and this is hard to realize hence a feedback path is to be established from transmitter to the receiver. The optimum Binary Weightbook is designed which uses quantized feedback from receiver to the transmitter. The performance of Binary Weightbook is almost same as the Grassmannian Weightbook which uses unquantized feedback. .


Keywords: Multiple-Input Multiple-Output MIMO, Orthogonal Frequency Division Multiplexing OFDM, Transmitter diversity, Quantized feedback, Binary Weightbook, Grassmannian Weightbook


Edition: Volume 3 Issue 10, October 2014


Pages: 1885 - 1888



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Sadguna Kumari V, AM Prasad, "Binary Weightbook Design for MIMO OFDM System Using Quantized Feedback", International Journal of Science and Research (IJSR), Volume 3 Issue 10, October 2014, pp. 1885-1888, https://www.ijsr.net/getabstract.php?paperid=OCT14543, DOI: https://www.doi.org/10.21275/OCT14543

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