Cross-Layer Design for Data Accessibility in Mobile Ad Hoc Networks

  • Authors:

  • Kai Chen;Samarth H. Shah;Klara Nahrstedt

  • Affiliations:

  • Department of Computer Science, University of Illinois at Urbana-Champaign, IL 61801, U.S.A. E-mail: kaichen@cs.uiuc.edu;Department of Computer Science, University of Illinois at Urbana-Champaign, IL 61801, U.S.A. E-mail: shshah@cs.uiuc.edu;Department of Computer Science, University of Illinois at Urbana-Champaign, IL 61801, U.S.A. E-mail: klara@cs.uiuc.edu

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2002

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Abstract

Mobile ad hoc networks (MANET) are becoming an integral part of the ubiquitouscomputing and communication environment, providing new infrastructure formultimedia applications such as video phone, multimedia-on-demand, and others.In order to access multimedia information in MANET, Quality of Service (QoS)needs to be considered, such as high success rate to access multimedia data,bounded end-to-end delay, and others. In this paper, we present a dataaccessibility service for a group of mobile users to access desired data withhigh success rate. This accessibility service is only possible if we utilizeadvanced data advertising, lookup and replication services, as well as a novelpredictive location-based QoS routing protocol in an integrated fashion. Usingcross-layer design, we illustrate how the QoS routing protocol assists dataadvertising, lookup and replication services to achieve high data accesssuccess rate. Simulation results have shown that our design is successful ina dynamic MANET.