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Performance Analysis of Symbol Error Probability for MPSK with an I-Q Unbalance over a Rician Fading Channel
Kyoung Rok CHO
IEICE TRANSACTIONS on Communications
Publication Date: 2005/04/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
MPSK, symbol error probability, I-Q unbalance, Rician fading channel,
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Two rotational transformations are used to derive a new expression for the symbol error probability (SEP) of an M-ary phase shift keying (MPSK) with an I-Q unbalance over additive white Gaussian noise (AWGN) and Rician fading channels. We used the new expression to investigate the effect of the I-Q unbalance on the MPSK SEP performance. Our investigation confirms that this approach is a convenient way to evaluate the average SEP of an MPSK for various cases of the Rician factor.