Conference Proceedings

Enhancing the Wi-Fi Direct Protocol for Data Communication in Vehicular Ad-hoc Networks

W Manamperi, T Samarasinghe, D Dias

IEEE Conference on Intelligent Transportation Systems, Proceedings, ITSC | Published : 2018


Due to high costs at initiation, alternative communication strategies to dedicated short range communication (DSRC) have been looked at to facilitate quick deployment of intelligent transportation services. Wi-Fi Direct (WD), has come across as a candidate, and this paper focuses on the drawback of large transmission delays in WD. To this end, it studies the performance gains of using a broadcast mechanism on the downlink between the group owner (GO) and the clients of a WD group, instead of the currently used peer-to-peer method. Gains in terms of average total delay and the average energy consumption of the GO are presented using a theoretical analysis as well as a simulation study using O..

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