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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 145))

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Abstract

Direct conversion transceivers are very attractive in wireless communications, due to their simplicity and ease of integration. However, their performances are degraded with radio frequency (RF) impairments. On the other hand, multiple input multiple output (MIMO) wireless communication systems promise higher spectral efficiency than what is possible with single input single output (SISO) wireless communications [1], [2]. However, the significant improvement in wireless system performance using MIMO is achieved by increasing the system complexity, which may result in higher sensitivity and lower performance in practical systems. Therefore, the degradations due to system impairments must be studied to evaluate the realistic behavior of the MIMO systems. Moreover, compensation techniques can be applied by understanding the effects of these impairment factors. These impairments may be noticed as phase noise, DC offset, in-phase / quadrature (I/Q) imbalance, and power amplifier nonlinearity [3]. In this chapter, the impairments due to phase noise, DC offset and I/Q imbalance are analyzed and the different techniques for their prevention and compensation are discussed. The power amplifier nonlinearity effects are investigated in the following chapter.

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Correspondence to Abbas Mohammadi .

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Mohammadi, A., Ghannouchi, F.M. (2012). RF Impairments in MIMO Transceivers. In: RF Transceiver Design for MIMO Wireless Communications. Lecture Notes in Electrical Engineering, vol 145. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27635-4_9

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  • DOI: https://doi.org/10.1007/978-3-642-27635-4_9

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-27634-7

  • Online ISBN: 978-3-642-27635-4

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