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Effect of the Phase/Quadrature Error and I/Q Gain Imbalance for QAM Symbol Error Probability
Jinah PARK Seungkeun PARK Pyung-Dong CHO Hyeong-Ho LEE
Publication
IEICE TRANSACTIONS on Communications
Vol.E90-B
No.11
pp.3287-3289 Publication Date: 2007/11/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.11.3287 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: QAM, symbol error probability, phase error, quadrature error, I-Q gain imbalance,
Full Text: PDF(194.3KB)>>
Summary:
In this letter, we derive an analytical expression for computing the symbol error probability (SEP) of the M-ary quadrature amplitude modulation (M-QAM) in the joint presence of phase/quadrature error and I/Q gain imbalance over an additive white Gaussian noise (AWGN) channel. The derived expression containing only the two-dimensional Gaussian Q-function can be used to compute the SEP of M-QAM in various fading channels by making use of the moment-generating function (MGF) approach.
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