An Adaptive Tone Injection Scheme using Clipping Noise for PAPR Reduction of OFDM Signals 


Vol. 34,  No. 11, pp. 1076-1084, Nov.  2009


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  Abstract

We propose an ATI (Adaptive Tone Injection) scheme based on clipping noise for PAPR (Peak-to-Average Power Ratio) reduction of OFDM (Orthogonal Frequency Division Multiplexing) signals. The proposed scheme is composed of three steps: clipping, tone selection, and TI procedures. In the first step, the peak samples in the IFFT (Inverse Fast Fourier Transform) outputs are scaled down by clipping. In the second step, the sub-carrier position where the power of the clipping noise is the maximum, is selected. Finally, the generic TI procedure is performed. Simulation results show that the proposed scheme does not require all the possible combinations fo the original TI procedures, while maintaining the PAPR reduction performance.

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  Cite this article

[IEEE Style]

M. Yang and Y. Shin, "An Adaptive Tone Injection Scheme using Clipping Noise for PAPR Reduction of OFDM Signals," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 11, pp. 1076-1084, 2009. DOI: .

[ACM Style]

Mochan Yang and Yoan Shin. 2009. An Adaptive Tone Injection Scheme using Clipping Noise for PAPR Reduction of OFDM Signals. The Journal of Korean Institute of Communications and Information Sciences, 34, 11, (2009), 1076-1084. DOI: .

[KICS Style]

Mochan Yang and Yoan Shin, "An Adaptive Tone Injection Scheme using Clipping Noise for PAPR Reduction of OFDM Signals," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 11, pp. 1076-1084, 11. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880