Abstract
It is very common to rule out Bluetooth as a suitable technology for vehicular communications. The reasons behind this decision usually result from misconceptions such as accepting that Bluetooth has a short application range, or assuming its connection setup is not fast enough to allow communication which involves high speed moving nodes. This paper refutes those assertions and proposes the use of Bluetooth not only for Infrastructure-to-Vehicle (I2V) or Road-to-Vehicle (R2V) communications, but also for Vehicle-to-Vehicle (V2V) or Vehicle-to-Infrastructure (V2I) communications. This novel proposal is based on using the remote name request procedure of the standard, combined with an adjustment and optimization of the parameters present in the inquiry and page procedures. The proposed modifications reduce the information exchange delay, thus making Bluetooth a suitable technology for high-speed vehicle communications. The feasibility of the proposed scheme has been validated through experimental tests conducted in different scenarios: laboratory, a real highway and a racing test circuit. There, the communication system was installed in a vehicle circulating at speeds of up to 250 km/h, whereas autonomous devices were disseminated throughout the road path to communicate with the on board devices obtaining satisfying results.
Highlights
In the last few years, we have witnessed a technological leap in the automotive industry
The different experiments and results are presented in Section 3, starting with laboratory tests to determine the best set of parameter values, followed by some coverage tests, speed tests and a real deployment on a highway to demonstrate the feasibility of using Bluetooth in R2V/I2V communications
Several real experiments have been designed, conducted, and discussed in this paper to demonstrate that in R2V/I2V communications it is possible to use Bluetooth, which is usually pushed into the background and its use is reduced to only intra-vehicular communications
Summary
In the last few years, we have witnessed a technological leap in the automotive industry. Communications and Wireless Access in Vehicular Environment (DSRC—WAVE) or 802.11p, WiMAX or 802.16, and Mobile Broadband Wireless Access or 802.20, Bluetooth or 802.15 [7] These wireless technologies can enable a wide range of safety and mobility applications such as video surveillance, voice over Internet Protocol (IP), traffic management, traveler information, wireless internet service or data sensing. As of this point, the different experiments and results are presented, starting with laboratory tests to determine the best set of parameter values, followed by some coverage tests, speed tests and a real deployment on a highway to demonstrate the feasibility of using Bluetooth in R2V/I2V communications
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