A Tone Injection PAPR Reduction Method using Multi-objective Optimization based on Weighted-sum Genetic Algorithm 


Vol. 34,  No. 2, pp. 217-225, Feb.  2009


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  Abstract

Tone injection scheme has been known as one of peak to average power ratio (PAPR) reduction methods deployable to multi-carrier system like orthogonal frequency division multiplexing (OFDM). The basic idea in tone injection scheme is to enforce the constellation size larger so that each of original constellation points is mapped into the preassigned distinct locations. According to the tone injection scheme, it increases symbol power highly induced inherently by expanding constellation to get optimal PAPR reduction. In the other hand, to get optimal power increase, the PAPR would be reduced insufficiently with limited tone injection signal. To withstand these problems, this paper consider the reduction of the PAPR and power increase problem simultaneously. Toward this, the tone injection scheme accomplished by employing the weighted sum genetic algorithm which has been utilized to solve multi-objective optimization problem (MOOP). The simulation results verifies that the proposed scheme can control the effective PAPR performance andalleviation of power increase flexibly by the weight value at the expense of relatively low complexity.

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  Cite this article

[IEEE Style]

S. Park and W. Lee, "A Tone Injection PAPR Reduction Method using Multi-objective Optimization based on Weighted-sum Genetic Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 2, pp. 217-225, 2009. DOI: .

[ACM Style]

Soonkyu Park and Won-cheol Lee. 2009. A Tone Injection PAPR Reduction Method using Multi-objective Optimization based on Weighted-sum Genetic Algorithm. The Journal of Korean Institute of Communications and Information Sciences, 34, 2, (2009), 217-225. DOI: .

[KICS Style]

Soonkyu Park and Won-cheol Lee, "A Tone Injection PAPR Reduction Method using Multi-objective Optimization based on Weighted-sum Genetic Algorithm," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 2, pp. 217-225, 2. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880