A scheduling method for heterogeneous clients on media data broadcasting

Yusuke Gotoh, Tomoki Yoshihisa, Hideo Taniguchi, Masanori Kanazawa

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


– The purpose of this paper is to propose a scheduling method called the “Hierarchical Asynchronous Harmonic Broadcasting (H-AHB)” method, to reduce the waiting time for heterogeneous clients. – The authors analyze and evaluate the performance of the proposed H-AHB method. – It was confirmed that the proposed method gives shorter average waiting time than the conventional methods. – A future direction of this study will involve making a scheduling method where the server broadcasts multiple videos. – In general broadcasting systems, the server broadcasts the same data repetitively and clients wait until the first portion of the data is broadcast. Although the server can deliver the data to many clients concurrently, clients have to wait until their desired data are broadcast. – The H-AHB method further reduces waiting time by scheduling an effective broadcast that considers the number of clients' available channels.

Original languageEnglish
Pages (from-to)98-114
Number of pages17
JournalInternational Journal of Pervasive Computing and Communications
Issue number2
Publication statusPublished - Jun 24 2013


  • Audiovisual media
  • Bandwidths
  • Broadcasting
  • Continuous media data
  • Near-video on demand
  • Scheduling
  • Telecommunication services
  • Waiting time

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Computer Science(all)


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