New 4-Dimensional Constellation-Rotation Modulation Method for DVB-NGH 


Vol. 35,  No. 11, pp. 1073-1077, Nov.  2010


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  Abstract

This paper proposes a new 4-dimensional(4D) constellation-rotation(CR) method which obtains diversity gain of 4 under Rayleigh fading channels. The proposed scheme uses two consecutive CR operations for the constellation of QAM signals unlike a conventional 2-dimensional(2D) CR method using only one CR operation. The computer simulation results show that the new method outperforms the conventional one even more as both the channel code rate and the erasure ratio increase. In a point of system flexibility, the proposed scheme has a great advantage since the conventional 2D CR scheme can be simply implemented by only changing rotation angle values used in the proposed scheme.

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  Cite this article

[IEEE Style]

J. Kim, H. Kim, T. Jung, "New 4-Dimensional Constellation-Rotation Modulation Method for DVB-NGH," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 11, pp. 1073-1077, 2010. DOI: .

[ACM Style]

Junho Kim, Hojun Kim, and Taejin Jung. 2010. New 4-Dimensional Constellation-Rotation Modulation Method for DVB-NGH. The Journal of Korean Institute of Communications and Information Sciences, 35, 11, (2010), 1073-1077. DOI: .

[KICS Style]

Junho Kim, Hojun Kim, Taejin Jung, "New 4-Dimensional Constellation-Rotation Modulation Method for DVB-NGH," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 11, pp. 1073-1077, 11. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880