Throughput-optimal opportunistic scheduling in the presence of flow-level dynamics

  • Authors:
  • Shihuan Liu;Lei Ying;R. Srikant

  • Affiliations:
  • ECE, Iowa State University;ECE, Iowa State University;ECE and CSL, University of Illinois

  • Venue:
  • INFOCOM'10 Proceedings of the 29th conference on Information communications
  • Year:
  • 2010

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Abstract

We consider multiuser scheduling in wireless networks with channel variations and flow-level dynamics. Recently, it has been shown that the MaxWeight algorithm, which is throughput-optimal in networks with a fixed number users, fails to achieve the maximum throughput in the presence of flowlevel dynamics. In this paper, we propose a new algorithm, called workload-based scheduling with learning, which is provably throughput-optimal, requires no prior knowledge of channels and user demands, and performs significantly better than previously suggested algorithms.