Correcting sorted sequences in a single hop radio network

  • Authors:
  • Marcin Kik

  • Affiliations:
  • Institute of Mathematics and Computer Science, Wrocław University of Technology, Wrocław, Poland

  • Venue:
  • FCT'09 Proceedings of the 17th international conference on Fundamentals of computation theory
  • Year:
  • 2009

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Abstract

By k-disturbed sequence we mean a sequence obtained from a sorted sequence by changing the values of at most k elements. We present an algorithm for single-hop radio networks that sorts a k-disturbed sequence of length n (where each station stores single key) in time 4n + k ċ (⌈lg k⌉2 + ⌈lg(n - k + 1)⌉ + 6⌈ lg k⌉) - 2 with energetic cost 3 ċ ⌈(⌈lg k⌉+1)(⌈lg k⌉+2)/2⌊n/k⌋⌉ + 4 ċ ⌈ ⌈lg k⌉/⌊n/k⌋ ⌉ + 10. If (⌈lg k⌉+1)(⌈lg k⌉+2)/2 + ⌈lg k⌉ ≤ ◊n/k⌋ then the energetic cost is bounded by 14.