Uplink Spatial Division Multiple Access (SDMA) optimization of smart antennas by phase-amplitude perturbations based on memetic algorithms

Chao Hsing Hsu, Chih Hui Chen, Chi Fei Wu, Wen-Jye Shyr

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

A novel method based on the memetic algorithm for uplink Spatial Division Multiple Access (SDMA) optimization technique of smart antennas via the phase-amplitude perturbation method is proposed. The array factor formula is deduced to search the optimal weighting vector of the array factor of a smart antenna. In a smart antenna system, one user's signal must be considered as other users' interfering signal. An optimal radiation pattern of a smart antenna can not only adjustably suppress interferers by placing nulls at the directions of the interfering sources but also provide a maximum main lobe in the direction of the desired signals at the same time so that SDMA can be come true. In order to achieve this goal, a new convergent method referred as the two-way convergent method for memetic algorithms is proposed.

Original languageEnglish
Title of host publication3rd International Conference on Innovative Computing Information and Control, ICICIC'08
DOIs
Publication statusPublished - 2008 Sep 30
Event3rd International Conference on Innovative Computing Information and Control, ICICIC'08 - Dalian, Liaoning, China
Duration: 2008 Jun 182008 Jun 20

Publication series

Name3rd International Conference on Innovative Computing Information and Control, ICICIC'08

Other

Other3rd International Conference on Innovative Computing Information and Control, ICICIC'08
CountryChina
CityDalian, Liaoning
Period08-06-1808-06-20

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All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Software
  • Control and Systems Engineering

Cite this

Hsu, C. H., Chen, C. H., Wu, C. F., & Shyr, W-J. (2008). Uplink Spatial Division Multiple Access (SDMA) optimization of smart antennas by phase-amplitude perturbations based on memetic algorithms. In 3rd International Conference on Innovative Computing Information and Control, ICICIC'08 [4603278] (3rd International Conference on Innovative Computing Information and Control, ICICIC'08). https://doi.org/10.1109/ICICIC.2008.587