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학술지 An alternative expression for the symbol-error probability of MPSK in the presence of I/Q unbalance
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저자
박승근, Dongweon Yoon
발행일
200412
출처
IEEE Transactions on Communications, v.52 no.12, pp.2079-2081
ISSN
0090-6778
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TCOMM.2004.838737
협약과제
03ME1600, 전기 전파 통신설비 기술기준 연구, 조평동
초록
This letter provides a new expression for the probability of the phase angle between two vectors perturbed by Gaussian noise with in-phase/quadrature-phase (I/Q) unbalance, in order to simplify the analysis of the error probabilities of M-ary phase-shift keying (MPSK). The error probabilities, symbol-error rates, or bit-error rates for MPSK with I/Q balance or unbalance, can be presented straightforwardly from the derived expression. Because the newly derived result is provided in terms of the conventional first-order Gaussian Q-function and the joint Gaussian Q-function with a correlation coefficient dependent on M, it readily allows rapid evaluation for various cases of practical interest. © 2004 IEEE.
KSP 제안 키워드
Correlation Coefficient, Gaussian noise, In-phase, M-ary phase shift keying(M-PSK), Q-Function, Rapid evaluation, Two vectors, error probability, error rate, first-order, phase angle