Symbol Error Probability of DVB-S2 System with I/Q Unbalances 


Vol. 32,  No. 9, pp. 810-819, Sep.  2007


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  Abstract

The I/Q unbalance which is generated by non-ideal components such as a 90? phase shifter and I/Q filters is an inevitable physical phenomenon and leads to performance degradation when we implement a coherent two-dimensional (2-D) modulation/demodulation system. This paper provides an exact and general expression for the SEP(symbol error probability) of DVB-S2 system with I/Q phase and amplitude unbalance over AWGN channel. Coordinate rotation and shift techniques used to redefine a received signal are key mathematical tools. In conclusion, the derived result is expressed as a linear combination of the 2-D Gaussian Q-functions.

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  Cite this article

[IEEE Style]

I. Im, S. Won, D. Yoon, S. K. Park, "Symbol Error Probability of DVB-S2 System with I/Q Unbalances," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 9, pp. 810-819, 2007. DOI: .

[ACM Style]

Inchul Im, Seungchan Won, Dongweon Yoon, and Sang Kyu Park. 2007. Symbol Error Probability of DVB-S2 System with I/Q Unbalances. The Journal of Korean Institute of Communications and Information Sciences, 32, 9, (2007), 810-819. DOI: .

[KICS Style]

Inchul Im, Seungchan Won, Dongweon Yoon, Sang Kyu Park, "Symbol Error Probability of DVB-S2 System with I/Q Unbalances," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 9, pp. 810-819, 9. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880