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Indexability of an opportunistic scheduling problem with partial channel information

Published: 12 March 2019 Publication History

Abstract

Opportunistic scheduling in wireless cellular systems utilizes random channel quality variations in time by favoring the users with good channel conditions. However, the success of such schedulers is heavily depending on the accuracy of the available information on the channel states of users. In this paper, we consider the opportunistic scheduling problem of downlink data traffic with partial channel information, where the target is to minimize the flow-level holding costs. In earlier works, the Whittle index approach has successfully been utilized to develop near-optimal scheduling policies for the corresponding problems. Using the same approach, we complement and extend the results found thus far. More specifically said, our novel contributions are (i) finding sufficient conditions under which the problem with partial channel information is provably indexable, and (ii) deriving an explicit formula for the corresponding Whittle index. In addition, we evaluate the performance of the derived Whittle index policies and compare them with some greedy policies by numerical simulations.

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Cited By

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  • (2022)The value of information and efficient switching in channel selectionProbability in the Engineering and Informational Sciences10.1017/S0269964822000286(1-21)Online publication date: 25-Aug-2022
  • (2019)Whittle index approach to opportunistic scheduling with partial channel informationPerformance Evaluation10.1016/j.peva.2019.102052(102052)Online publication date: Nov-2019

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      cover image ACM Other conferences
      VALUETOOLS 2019: Proceedings of the 12th EAI International Conference on Performance Evaluation Methodologies and Tools
      March 2019
      202 pages
      ISBN:9781450365963
      DOI:10.1145/3306309
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      • Universitat de les Illes Balears: Universitat de les Illes Balears

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      Published: 12 March 2019

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      Author Tags

      1. Opportunistic scheduling
      2. Partial channel information
      3. Whittle index
      4. Wireless cellular networks

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      VALUETOOLS 2019 Paper Acceptance Rate 18 of 42 submissions, 43%;
      Overall Acceptance Rate 90 of 196 submissions, 46%

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      Cited By

      View all
      • (2022)The value of information and efficient switching in channel selectionProbability in the Engineering and Informational Sciences10.1017/S0269964822000286(1-21)Online publication date: 25-Aug-2022
      • (2019)Whittle index approach to opportunistic scheduling with partial channel informationPerformance Evaluation10.1016/j.peva.2019.102052(102052)Online publication date: Nov-2019

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