Exploiting context information for estimating the performance of vehicular communications

Context-aware heterogeneous V2X communications for connected vehicles

“…Context-based models can be used to estimate what communication utility/cost should be expected under certain context conditions. For example, a context-based model should reflect the fact that the communications range in an urban street with trees can be significantly lower than in streets without obstructions [5]. This study foresees the possibility to build these models using data from different vehicles.…”

“…The models are built using the utility and cost measurements (and their associated context conditions) that are sent by the vehicular nodes. The authors propose in [5] to build the models using Bayesian or artificial neural networks, but other approaches are certainly possible. The central server can also support the CP coordination process.…”

“…Table I reports the economic cost of the minimum LTE monthly data plan needed per vehicle to upload all the information gathered by the onboard cameras. The economic cost is shown per algorithm, and for different average traffic densities and values of T. The economic cost is shown considering the current AT&T cellular data plans 5 . Table I shows that heterogeneous V2I communications can help reduce the economic cost of connected vehicle services.…”

“…In any case, the results in Figure 9b confirm again that the use of context information improves the capacity to satisfy the application requirements. 5 The cellular data plans can be found online [last access on March 2017] https://www.att.com/shop/wireless/connected-car.html: 10$ for 1GB, 20$ for 4GB, or 40$ for 10GB.…”

“…Recent studies have suggested the use of heterogeneous networks to satisfy the various requirements of vehicular applications, including those related to autonomous vehicles [4]. The selection of the adequate network in a heterogeneous framework can be improved using context information [5]. For example, information about the presence of obstructing elements (e.g.…”