Embedded WiMAX-based vehicular router for telematics computing

Authors:
Jiann-Liang Chen;Yao-Chung Chang;Yu-Shan Lin;Hsien-Wen Du
Affiliations:
Department of Electrical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan;Department of Computer Science & Information Engineering, National Taitung University, Taitung, Taiwan;Department of Information Science & Management System, National Taitung University, Taitung, Taiwan;Department of Computer Science & Information Engineering, National Dong Hwa University, Hualien, Taiwan
Venue:
ICACT'09 Proceedings of the 11th international conference on Advanced Communication Technology - Volume 3
Year:
2009

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Abstract

This study presents a novel embedded WiMAX-based vehicular router with a network mobility architecture that promotes the Telematics services for UbiquitouslPervasive Computing (UPC) environment anytime and anywhere. Each Telematics user has to process the handoff procedure with the mobile IP mechanism. Therefore, the proposed WiMAX-based vehicular router can process more Telematics users for handoff procedures simultaneously. Network performances in terms of packet loss, round-trip time (RTT) and handoff latency are investigated and analyzed in this study. Compare with the traditional WiFi-based vehicular router, the embedded WiMAX-based vehicular router improves the packet loss about 36% and the average RTTis decreased by approximately 34%. Based on the handoff latency analysis, the embedded WiMAX vehicular router has the superior performance using the mobile network with the embedded router when there are more than two Telematics users.