Analysis of possible Wi-Fi interferences of wireless communications implemented in vehicular environments

Gheorghiu, Răzvan Andrei; Iordache, Valentin; Badescu, I.

doi:10.1109/telsks.2017.8246273

Cited by 1 publication

(1 citation statement)

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“…The aim of this test was to evaluate the communication density and to assess the signal power for each Wi-Fi channel. The results presented in Figure 2 and published in [ 24 ] were meant to set the reference for the following interference tests between Wi-Fi and other communication technologies.…”

Section: Assessment Tests Performed and Resultsmentioning

confidence: 99%

Use of Energy Efficient Sensor Networks to Enhance Dynamic Data Gathering Systems: A Comparative Study between Bluetooth and ZigBee

Gheorghiu

Iordache

2018

Sensors

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As road traffic conditions worsen due to the constantly increasing number of cars, traffic management systems are struggling to provide a suitable environment, by gathering all the relevant information from the road network. However, in most cases these are obtained via traffic detectors placed near road junctions, thus providing no information on the conditions in between. A large-scale sensor network using detectors on the majority of vehicles would certainly be capable of providing useful data, but has two major impediments: the equipment installed on the vehicles should be cheap enough (assuming the willingness of private car owners to be a part of the network) and be capable of transferring the required amount of data in due time, as the vehicle passes by the road side unit that acts as interface with the traffic management system. These restrictions reduce the number of technologies that can be used. In this article a series of comprehensive tests have been performed to evaluate the Bluetooth and ZigBee protocols for this purpose from many points of view: handshake time, static and dynamic data transfer (in laboratory conditions and in real traffic conditions). An assessment of the environmental conditions (during tests and probable to be encountered in real conditions) was also provided.

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Section: Assessment Tests Performed and Resultsmentioning

confidence: 99%