Prediction of a CDMA Output Spectrum Based on Intermodulation Products of Two-Tone Test

  title={Prediction of a CDMA Output Spectrum Based on Intermodulation Products of Two-Tone Test},
  author={Seung-June Yi and Sangwook Nam and Sung-Hoon Oh and Jae-Hee Han},
A prediction method of a code-division multiple-access (CDMA) output spectrum based on intermodulation (IM) products of a two-tone test is proposed in this paper. An RF power amplifier is mathematically modeled by a complex envelope transfer function and, using this model, analytical expressions of IM products and a CDMA output spectrum are derived, respectively. By combining these two expressions, we finally derive an analytical expression that relates IM products to a CDMA output spectrum. It… CONTINUE READING
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