An overlapping communication protocol using improved time-slot leasing for Bluetooth WPANs

Yuh Shyan Chen*, Yun-Wei Lin, Chih Yung Chang

*Corresponding author for this work

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

In this paper, we propose an overlapping communication protocol using improved time-slot leasing in the Bluetooth WPANS. One or many slave-master-slave communications usually exist in a piconet of the Bluetooth network. A fatal communication bottleneck is incurred in the master node if many slave-master-slave communications are required at the same time. To alleviate the problem, an overlapping communication scheme is presented to allow slave node directly and simultaneously communicates with another slave node to replace with the original slave-master-slave communication works in a piconet. This overlapping communication scheme is based on the improved time-slot leasing (TSL) scheme which modified from the original TSL, while the original TSL scheme only provides the slave-to-slave communication capability. The key contribution of our improved TSL scheme is to offer the overlapping communication capability. With the overlapping communication scheme, we developed an overlapping communication protocol in a Bluetooth WPANs. Finally, simulation results demonstrate that our developed communication protocol achieves the performance improvements on bandwidth utilization, transmission delay time, network congestion, and energy consumption.

Original languageEnglish
Pages (from-to)273-292
Number of pages20
JournalJournal of Network and Computer Applications
Volume32
Issue number1
DOIs
StatePublished - 1 Jan 2009

Keywords

  • Bluetooth
  • Communication protocol
  • Mobile computing
  • Time-slot leasing
  • Wireless communication
  • WPAN

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