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RF Impairments in OFDM Transceivers

  • Abbas Mohammadi
  • Fadhel M. Ghannouchi
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 145)

Abstract

Orthogonal frequency-division multiplexing (OFDM) is a very attractive transmission technique for future high data rate wireless multimedia communication systems. OFDM has been developed for wideband wireless digital communication and is used in applications such as Digital Video and Audio Broadcasting (DVB, DAB, respectively), wireless networking and broadband Internet access [1]-[3].

OFDM has advantages, such as high spectral efficiency, easy adaptation to severe channel conditions without complex equalization, and efficient implementation using fast Fourier transform (FFT). However, it also has some disadvantages, such as sensitivity to frequency offset, a high peak-to-average-power ratio (PAPR) and sensitivity to noises [1], [4], [5].

As discussed in Chapter 3, OFDM is successfully used in MIMO systems. This chapter is devoted to investigate the various RF impairments, specifically noise and nonlinearity, and their mutual impacts on OFDM transceivers.

Keywords

Radio Frequency Phase Noise Power Amplifier Amplitude Noise OFDM System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag GmbH Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Electrical Engineering DepartmentAmirkabir UniversityTehranIran
  2. 2.Electrical and Computer EngineeringUniversity of CalgaryCalgaryCanada

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