Crest Factors of 16-QAM Modulated Multicode MC-CDMA Signals Employing Complementary Sequences 


Vol. 31,  No. 9, pp. 817-824, Sep.  2006


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  Abstract

The crest factor properties of 16-QAM modulated one- and two-code assisted multi-carrier code-division multiple-access (MC-CDMA) signals employing complementary pair as spreading sequences are characterized. It is shown that a set of relationship between the two 16-QAM symbols entirely characterize the power envelope waveforms of the signals. There exists 60 different sets of relationship, which results in 16 different crest factors as a result of various equivalent transforms on the corresponding message symbols. It is also shown that the individual crest factor corresponding to each message combination is always bounded by 3㏈.

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  Cite this article

[IEEE Style]

B. Choi, "Crest Factors of 16-QAM Modulated Multicode MC-CDMA Signals Employing Complementary Sequences," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 9, pp. 817-824, 2006. DOI: .

[ACM Style]

Byoung-Jo Choi. 2006. Crest Factors of 16-QAM Modulated Multicode MC-CDMA Signals Employing Complementary Sequences. The Journal of Korean Institute of Communications and Information Sciences, 31, 9, (2006), 817-824. DOI: .

[KICS Style]

Byoung-Jo Choi, "Crest Factors of 16-QAM Modulated Multicode MC-CDMA Signals Employing Complementary Sequences," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 9, pp. 817-824, 9. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880