A Scalable Companding Function for Peak-to-Average Power Ratio Reduction in OFDM Systems 


Vol. 35,  No. 4, pp. 401-407, Apr.  2010


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  Abstract

In this paper, we consider a low-complex companding technique for peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems. For the technique, we propose a novel compading function to compensate the problem of the conventional companding functions which are difficult to design complying with system requirements and deteriorate the bit error rate (BER) performance significantly. The proposed scalable companding function can provide an arbitrary value of the maximum PAPR with which the BER performance changes gracefully. In addition, the proposed companding function can be designed readily according to the PAPR and BER performance required by the system and is observed to provide better BER performance than the conventional clipping and μ-law companding schemes under the similar PAPR condition.

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  Cite this article

[IEEE Style]

J. H. Lee, J. S. Wang, J. C. Park, Y. H. Kim, "A Scalable Companding Function for Peak-to-Average Power Ratio Reduction in OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 4, pp. 401-407, 2010. DOI: .

[ACM Style]

Ji Hye Lee, Jin Soo Wang, Jea Cheol Park, and Yun Hee Kim. 2010. A Scalable Companding Function for Peak-to-Average Power Ratio Reduction in OFDM Systems. The Journal of Korean Institute of Communications and Information Sciences, 35, 4, (2010), 401-407. DOI: .

[KICS Style]

Ji Hye Lee, Jin Soo Wang, Jea Cheol Park, Yun Hee Kim, "A Scalable Companding Function for Peak-to-Average Power Ratio Reduction in OFDM Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 4, pp. 401-407, 4. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880