Low-complexity distributed scheduling algorithms for wireless networks

  • Authors:
  • Abhinav Gupta;Xiaojun Lin;R. Srikant

  • Affiliations:
  • Qualcomm, San Diego, CA and Coordinated Science Laboratory and Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, IL;Center for Wireless Systems and Applications and School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN;Coordinated Science Laboratory and Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, IL

  • Venue:
  • IEEE/ACM Transactions on Networking (TON)
  • Year:
  • 2009

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Abstract

We consider the problem of designing distributed scheduling algorithms for wireless networks. We present two algorithms, both of which achieve throughput arbitrarily close to that of maximal schedules, but whose complexity is low due to the fact that they do not necessarily attempt to find maximal schedules. The first algorithm requires each link to collect local queue-length information in its neighborhood, and its complexity is otherwise independent of the size and topology of the network. The second algorithm, presented for the node-exclusive interference model, does not require nodes to collect queue-length information even in their local neighborhoods, and its complexity depends only on the maximum node degree in the network.