1 - 4 of 4 Chapters
[In this chapter, we introduce what is in-phase and quadrature (IQ) imbalance, where it comes from, and what kinds of aspects of IQ imbalance have been discussed in the literature.]
[Both analog In-phase and Quadrature (IQ) modulator and demodulator may introduce IQ imbalance. If it is left uncompensated, the system performance will be impaired. In this chapter, we first derive the IQ imbalance model without any other impairments. Then, we consider the IQ imbalance model in...
[For narrow band systems, the IQ imbalance can be assumed to be frequency independent. In this chapter, we look at the frequency independent IQ imbalance estimation and compensation. We start from simple RX only IQ imbalance estimation and compensation, then discuss joint TX and RX IQ imbalance...
[For wideband systems, IQ imbalance values may be frequency selective. To do estimation and compensation, the frequency selectivity cannot be neglected. In this chapter, we look at the frequency dependent IQ imbalance estimation and compensation. We first look at the estimation and compensation...
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