On the application of traffic engineering over bluetooth ad hoc networks

  • Authors:
  • Sachin Abhyankar;Rishi Toshiwal;Carlos Cordeiro;Dharma Agrawal

  • Affiliations:
  • University of Cincinnati, Cincinnati, OH;University of Cincinnati, Cincinnati, OH;University of Cincinnati, Cincinnati, OH;University of Cincinnati, Cincinnati, OH

  • Venue:
  • MSWIM '03 Proceedings of the 6th ACM international workshop on Modeling analysis and simulation of wireless and mobile systems
  • Year:
  • 2003

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Abstract

The seamless communication of data and voice over short-range, point-to-multipoint wireless links between mobile and/or stationary devices is becoming a reality by newly introduced Bluetooth radio technology for Wireless Personal Area Networking, which can support only up to 1 Mbps of nominal bandwidth. It is based on a master-slave model where double the resources are allocated for any slave-to-slave communication via the master. In addition, it does not have any mechanism to serve demands exceeding this capacity. In this paper, we employ the concepts of Internet Traffic Engineering to maximize the channel utilization and optimize the performance of QoS-sensitive applications, with minimum possible interference. We introduce two novel techniques of Pseudo Role Switching (PRS) and Pseudo PaRtitioning (PPR) to alleviate bottlenecks in the existing schemes in a proactive manner. We propose a two-layered approach wherein we first achieve the maximum possible throughput in existing network using PRS technique, and then dynamically partition piconets using the PPR to satisfy the increased demands. It has been observed that combining both PRS and PPR drastically enhances the aggregate network throughput while minimizing the interference. Through extensive performance evaluations, we show that our proposed schemes reduce up to 50% of the network overhead and increase the overall throughput by 200%.