Stability analyses of longest-queue-first link scheduling in MC-MR wireless networks

  • Authors:
  • Peng-Jun Wan;Xiaohua Xu;Zhu Wang;Shaojie Tang;Zhiguo Wan

  • Affiliations:
  • Illinois Institute of Technology, Chicago, IL, USA;Illinois Institute of Technology, Chicago, IL, USA;Illinois Institute of Technology, Chicago, IL, USA;Illinois Institute of Technology, Chicago, IL, USA;Tsinghua University, Beijing, China

  • Venue:
  • Proceedings of the thirteenth ACM international symposium on Mobile Ad Hoc Networking and Computing
  • Year:
  • 2012

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Abstract

Longest-queue-first (LQF) link scheduling is a greedy link scheduling in multihop wireless networks. Its stability performance in single-channel single-radio (SC-SR) wireless networks has been well studied recently. However, its stability performance in multi-channel multi-radio (MC-MR)wireless networks is largely under-explored. In this paper, we present a stability subregion with closed form of the LQF scheduling in MC-MR wireless networks, which is within a constant factor of the network stability region. We also obtain constant lower bounds on the efficiency ratio of the LQF scheduling in MC-MR wireless networks under the 802.11 interference model or the protocol interference model.