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article · 2002

Diversity combining and equalization of frequency-selective fading signals with unequal mean strengths

Sheng-Chou Lin, V.K. Prabhu

Cited by 3Abstract and details only

Abstract

This paper investigates the performance of unbalanced diversity structures combined with equalization techniques operating in a mobile radio environment with frequency-selective fading which is characterized by two Rayleigh-fading beams. The received signals are statistically independent, but the mean signal-to-noise ratios on various diversity branches are unequal. Quadrature amplitude modulation (QAM) and two optimum diversity structures, combining-diversity and selection-diversity, are considered in our analysis, Both linear and decision-feedback equalization with infinite taps and finite taps are used in the optimum diversity structures. Even though a degree of degradation that is proportional to the differences in mean power may result, unbalanced-diversity systems still can operate effectively in a frequency-selective fading channel. However, the diversity gain is almost lost when the unequal mean power is greater than 15 dB for 2-path diversity systems.

Cite this paper

APA 7

Lin, S.-C., & Prabhu, V. (2002). Diversity combining and equalization of frequency-selective fading signals with unequal mean strengths. https://doi.org/10.1109/vetec.1998.683682

MLA 9

Lin, Sheng-Chou, and V.K. Prabhu. “Diversity combining and equalization of frequency-selective fading signals with unequal mean strengths.” vol. 2, 2002, pp. 753–57, https://doi.org/10.1109/vetec.1998.683682.

Chicago

Lin, Sheng-Chou, and V.K. Prabhu. 2002. “Diversity combining and equalization of frequency-selective fading signals with unequal mean strengths.” https://doi.org/10.1109/vetec.1998.683682.

Harvard

Lin, S.-C. and Prabhu, V. (2002) ‘Diversity combining and equalization of frequency-selective fading signals with unequal mean strengths’. Available at: https://doi.org/10.1109/vetec.1998.683682.

BibTeX
@article{lin2002diversity,
  title = {{Diversity combining and equalization of frequency-selective fading signals with unequal mean strengths}},
  author = {Lin, Sheng-Chou and Prabhu, V.K.},
  volume = {2},
  pages = {753--757},
  year = {2002},
  doi = {10.1109/vetec.1998.683682}
}

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