PAPR Reduction Improvement for WHT-based OFDM System using Data Grouping Technique


The KIPS Transactions:PartC, Vol. 12, No. 4, pp. 511-518, Aug. 2005
10.3745/KIPSTC.2005.12.4.511,   PDF Download:

Abstract

The conventional OFDM (Orthogonal Frequency Division Multiplexing) modulation can be combined with WHT (Walsh-Hadamard Transform) to reduce PAPR (Peak-to-Average Power Ratio) and improve BER (Bit Error Rate) performance. However, this WHT-based OFDM system still suffers a relatively high PAPR. Therefore, we suggest a new technique, called DGT (Data Grouping Technique) and design an OFDM system employing it and WHT to further decrease PAPR without the BER performance degradation. A salient property of DGT is the independence of the side information which is inherently a principal drawback of the well-known PAPR reduction techniques for OFDM system as well as WHT-based OFDM. The simulation programs have been also performed to verify the validity of the proposed system.


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Cite this article
[IEEE Style]
H. Y. Kong and D. H. Nam, "PAPR Reduction Improvement for WHT-based OFDM System using Data Grouping Technique," The KIPS Transactions:PartC, vol. 12, no. 4, pp. 511-518, 2005. DOI: 10.3745/KIPSTC.2005.12.4.511.

[ACM Style]
Hyung Yun Kong and Doo Hee Nam. 2005. PAPR Reduction Improvement for WHT-based OFDM System using Data Grouping Technique. The KIPS Transactions:PartC, 12, 4, (2005), 511-518. DOI: 10.3745/KIPSTC.2005.12.4.511.