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Meeting the Welch and Karystinos-Pados Bounds on DS-CDMA Binary Signature Sets

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Abstract

The Welch lower bound on the total-squared-correlation (TSC) of binary signature sets is loose for binary signature sets whose length L is not a multiple of 4. Recently Karystinos and Pados [6,7] developed new bounds that are better than the Welch bound in those cases, and showed how to achieve the bounds with modified Hadamard matrices except in a couple of cases. In this paper, we study the open cases.

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Authors and Affiliations

  1. Department of Computer Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China

    Cunsheng Ding & Mordecai Golin

  2. Department of Information Engineering, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China (on leave from the University of Bergen, Norway

    Torleiv Kløve

Authors
  1. Cunsheng Ding
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  2. Mordecai Golin
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  3. Torleiv Kløve
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Ding, C., Golin, M. & Kløve, T. Meeting the Welch and Karystinos-Pados Bounds on DS-CDMA Binary Signature Sets. Designs, Codes and Cryptography 30, 73–84 (2003). https://doi.org/10.1023/A:1024759310058

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  • DOI: https://doi.org/10.1023/A:1024759310058

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