Exact Analysis of a Real-Number M-ary QAM 


Vol. 42,  No. 2, pp. 299-306, Feb.  2017


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  Abstract

The real number M-ary QAM system can reduce PAPR and effectively improve the transmission efficiency as it increases gradually the value of M according to the state of channel. However, only approximate performance analysis was performed due to the complexity of the analysis. In this paper, we introduce an exact performance analysis considering the change of a boundary line due to the difference in frequency of use of the signal points. Also, we propose a new constellation of 2 time dimension (3 ×2m)-ary QAM with odd m which has better performance in PAPR. In the performance analysis, we obtain the signal point error rate and the bit error rate of real number M-ary QAM for the various values of m and compare performance between the proposed QAM and the conventional 2k-ary QAM with integer k.

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  Cite this article

[IEEE Style]

S. Jeon, J. Lee, H. Chung, "Exact Analysis of a Real-Number M-ary QAM," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 2, pp. 299-306, 2017. DOI: .

[ACM Style]

Seong-bae Jeon, Ji-hoon Lee, and Hae Chung. 2017. Exact Analysis of a Real-Number M-ary QAM. The Journal of Korean Institute of Communications and Information Sciences, 42, 2, (2017), 299-306. DOI: .

[KICS Style]

Seong-bae Jeon, Ji-hoon Lee, Hae Chung, "Exact Analysis of a Real-Number M-ary QAM," The Journal of Korean Institute of Communications and Information Sciences, vol. 42, no. 2, pp. 299-306, 2. 2017.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880