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Coexistence measurements and analysis of IEEE 802.15.4 with Wi-Fi and bluetooth for vehicle networks

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4 Author(s)
Zacharias, S. ; Dept. of Electron. & Comput. Eng., Univ. of Limerick, Limerick, Ireland ; Newe, T. ; O'Keeffe, S. ; Lewis, E.

This paper gives an overview of the channel access methods of three wireless technologies that are likely to be used in the environment of vehicle networks: IEEE 802.15.4, IEEE 802.11 and Bluetooth. Researching the coexistence of IEEE 802.15.4 with IEEE 802.11 and Bluetooth, results of experiments conducted in a radio frequency anechoic chamber are presented. The power densities of the technologies on a single IEEE 802.15.4 channel are compared. It is shown that the pure existence of an IEEE 802.11 access point leads to collisions due to different timing scales. Furthermore, the packet drop rate caused by Bluetooth is analyzed and an estimation formula for it is given.

Published in:

ITS Telecommunications (ITST), 2012 12th International Conference on

Date of Conference:

5-8 Nov. 2012