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Research on Throughput-Guaranteed MAC Scheduling Policies in Wireless Networks.

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  • 1School of Information Engineering, Shandong Management University, Jinan 250357, China.

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Summary

This study analyzes wireless network MAC scheduling, finding existing throughput-guaranteed methods may not bound average delay. It provides a basis for improving next-generation wireless network MAC scheduling technology.

Keywords:
MAC schedulingend-to-end average delaythroughput-guaranteed

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Area of Science:

  • Computer Science
  • Electrical Engineering
  • Wireless Communication

Background:

  • Media Access Control (MAC) scheduling is crucial for wireless networks, with centralized and distributed models.
  • Existing MAC scheduling policies can guarantee throughput but often fail to ensure bounded end-to-end average delay.
  • Both throughput and delay are critical performance metrics in practical communication networks.

Purpose of the Study:

  • To systematically investigate existing MAC scheduling strategies concerning both throughput and delay.
  • To analyze the reasons why some throughput-guaranteed schemes do not ensure bounded average delay.
  • To provide a theoretical foundation for enhancing MAC scheduling in future wireless networks.

Main Methods:

  • Theoretical analysis of MAC scheduling algorithms.
  • Performance evaluation through simulation experiments.
  • Comparative study of centralized and distributed scheduling approaches.

Main Results:

  • Identified limitations in current MAC scheduling schemes regarding delay guarantees.
  • Demonstrated the trade-offs between throughput and delay in different scheduling strategies.
  • Validated findings through comprehensive theoretical and simulation-based assessments.

Conclusions:

  • Current MAC scheduling methods require further refinement to simultaneously optimize throughput and delay.
  • A deeper understanding of the throughput-delay relationship is essential for next-generation wireless networks.
  • This research offers a foundational framework for developing advanced MAC scheduling technologies.