On some new m-spotty Lee weight enumerators

  • Authors:
  • Anuradha Sharma;Amit K. Sharma

  • Affiliations:
  • Department of Mathematics, Indian Institute of Technology Delhi, New Delhi, India 110016;Department of Mathematics, Indian Institute of Technology Delhi, New Delhi, India 110016

  • Venue:
  • Designs, Codes and Cryptography
  • Year:
  • 2014

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Abstract

One of the objectives of coding theory is to ensure reliability of the computer memory systems that use high-density RAM chips with wide I/O data (e.g. 16, 32, 64 bits). Since these chips are highly vulnerable to m-spotty byte errors, this goal can be achieved using m-spotty byte error-control codes. This paper introduces the m-spotty Lee weight enumerator, the split m-spotty Lee weight enumerator and the joint m-spotty Lee weight enumerator for byte error-control codes over the ring of integers modulo ℓ (ℓ 驴 2 is an integer) and over arbitrary finite fields, and also discusses some of their applications. In addition, MacWilliams type identities are also derived for these enumerators.