On Algorithms Searching for Quasi-Optimal Subfamilies of GMW Sequences Suitable for CDMA Applications

  • Authors:

  • X. H. Chen;T. Lang;J. Oksman

  • Affiliations:

  • -;-;-

  • Venue:
  • INFOCOM '97 Proceedings of the INFOCOM '97. Sixteenth Annual Joint Conference of the IEEE Computer and Communications Societies. Driving the Information Revolution
  • Year:
  • 1997

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Abstract

This paper studies several algorithms for constructing quasi-optimal GMW subfamilies in terms of minimized bit error rate under co-channel interference. The results show that performance of resultant sub-families is very sensitive to the algorithms applied and sub-family sizes. A new criterion based on combinational (even plus odd) maximum cross-correlation is introduced for code selection and the resultant highest-peak-deleting and most-peak-deleting algorithms are effective to construct the GMW quasi-optimal sub-families.