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The effect of I/Q imbalances in OFDM systems with MPSK modulation over AWGN channel
- Issue Date
- Nov-2008
- Publisher
- IEEE
- Keywords
- I/Q imbalances; MPSK; OFDM; Symbol error probability
- Citation
- 2008 11th IEEE Singapore International Conference on Communication Systems, ICCS 2008, pp.647 - 650
- Indexed
- SCOPUS
- Journal Title
- 2008 11th IEEE Singapore International Conference on Communication Systems, ICCS 2008
- Start Page
- 647
- End Page
- 650
- ISSN
- 0000-0000
- Abstract
- In an orthogonal frequency division multiplexing (OFDM) system, in-phase and quadrature (I/Q) imbalances generated in the analog front-end introduce inter-channel interference (ICI) and, consequently, error performance degradation. In this paper, a general and exact expression involving the two-dimensional (2-D) Gaussian Q-function for symbol error probability of MPSK-OFDM signal with I/Q imbalances is provided. The effect of I/Q imbalances on the error performance and the distribution of an additive white Gaussian noise (AWGN) on the signal constellation are also exactly analyzed.
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Related Researcher
- Park, Sang Gyu
- COLLEGE OF ENGINEERING (SCHOOL OF ELECTRONIC ENGINEERING)