Maximizing user satisfaction based on mobility in heterogeneous mobile multimedia communication networks

Ved P. Kafle, Eiji Kamioka, Shigeki Yamada

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Future wireless/mobile system is expected to have heterogeneous wireless overlay networks for ubiquitous multimedia communication. In a such network environment, mobile users are likely to try to get attached to higher bandwidth network as bandwidth-hungry multimedia applications are increasing. However, the users have to perform vertical handoff to lower bandwidth network, as high bandwidth network become unavailable due to various reasons (such as its limited coverage, network congestion, etc.). In this paper, we discuss the problem of vertical handoff from a user's perspective. For this purpose, we formulate user satisfaction as a function of bandwidth utility and handoff latency. Then, we investigate the effect of call holding time, user movement probability, etc. on the satisfaction that a user derives from the use of network service for multimedia applications. In addition, based on the evaluation, we present an algorithm for selecting a wireless network, which maximizes the effective user satisfaction.

Original languageEnglish
Pages (from-to)2709-2717
Number of pages9
JournalIEICE Transactions on Communications
VolumeE88-B
Issue number7
DOIs
Publication statusPublished - 2005 Jul
Externally publishedYes

Fingerprint

Telecommunication networks
Bandwidth
Wireless networks
Overlay networks
Computer systems
Communication

Keywords

  • Heterogeneous wireless networks
  • Multimedia applications
  • Network selection
  • User satisfaction function
  • Wireless overlay networks

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications

Cite this

Maximizing user satisfaction based on mobility in heterogeneous mobile multimedia communication networks. / Kafle, Ved P.; Kamioka, Eiji; Yamada, Shigeki.

In: IEICE Transactions on Communications, Vol. E88-B, No. 7, 07.2005, p. 2709-2717.

Research output: Contribution to journalArticle

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