Utility based service differentiation in wireless packet network

  • Authors:
  • Jaesung Choi;Myungwhan Choi

  • Affiliations:
  • Samsung Electronics, Seoul, Korea;Dept. of Computer Science and Eng., Sogang Univ., Seoul, Korea

  • Venue:
  • ICOIN'05 Proceedings of the 2005 international conference on Information Networking: convergence in broadband and mobile networking
  • Year:
  • 2005

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Abstract

A new wireless packet scheduling scheme is proposed to support differential services to different users over the forward wireless links whose transmission speed changes due to the ever-changing channel conditions. The scheme is intended to maximize the overall system satisfaction level using utility function. Internet applications of elastic, delay adaptive real-time, and rate adaptive real-time types are considered. Obtaining the optimal control scheme is a complicated problem, requiring detailed information on the channel statistics. Even if it were known, the computations would be significantly hampered by the curse of dimensionality. So, a heuristic method, which can run online, is proposed and its performance is evaluated.