Bluetooth park state scheduling algorithm for BlueBus, an on-board infotainment system for public buses in Singapore

Authors:
Kin Choong Yow;Jacky Tjoa;Keok Kee Lee
Affiliations:
School of Computer Engineering, Nanyang Technological University, Singapore, Singapore;School of Computer Engineering, Nanyang Technological University, Singapore, Singapore;School of Computer Engineering, Nanyang Technological University, Singapore, Singapore
Venue:
AIC'10/BEBI'10 Proceedings of the 10th WSEAS international conference on applied informatics and communications, and 3rd WSEAS international conference on Biomedical electronics and biomedical informatics
Year:
2010

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Abstract

Singapore, a small island city state, has developed an extensive public transportation system. However, the information and entertainment (infotainment) system within has not received much attention. Several approaches for implementing infotainment system on-board public transportation exist, but they require considerable investment in the hardware. In this paper, we propose a low cost on-board entertainment system using Bluetooth and passengers' own Java ME-enabled mobile phone for delivering the infotainment content, called "BlueBus". Since BlueBus uses Bluetooth as the connection medium, it suffers from the Bluetooth limitation of only capable of supporting 7 active connections. Therefore, we developed a scheduling algorithm utilizing Bluetooth Park State capability and priority of services offered by BlueBus. We constructed a computer simulation to measure the performance of the algorithm. The result shows that even with large number of users, our algorithm performs well and incurs a first service delay that is three times lower than the Basic Bluetooth Connection configuration.