A measurement study of vehicular internet access using in situ Wi-Fi networks
Proceedings of the 12th annual international conference on Mobile computing and networking
CarTel: a distributed mobile sensor computing system
Proceedings of the 4th international conference on Embedded networked sensor systems
Probabilistic aggregation for data dissemination in VANETs
Proceedings of the fourth ACM international workshop on Vehicular ad hoc networks
Cross-layer wireless bit rate adaptation
Proceedings of the ACM SIGCOMM 2009 conference on Data communication
Using vehicular networks to collect common traffic data
Proceedings of the sixth ACM international workshop on VehiculAr InterNETworking
Maximizing the contact opportunity for vehicular internet access
INFOCOM'10 Proceedings of the 29th conference on Information communications
An opportunistic relay protocol for vehicular road-side access with fading channels
ICNP '10 Proceedings of the The 18th IEEE International Conference on Network Protocols
Floating content: Information sharing in urban areas
PERCOM '11 Proceedings of the 2011 IEEE International Conference on Pervasive Computing and Communications
Illinois vehicular project, live data sampling and opportunistic internet connectivity
Proceedings of the third ACM international workshop on Mobile Opportunistic Networks
BRAVE: bit-rate adaptation in vehicular environments
Proceedings of the ninth ACM international workshop on Vehicular inter-networking, systems, and applications
ParkingMeter: balancing energy savings and service availability
Proceeding of the tenth ACM international workshop on Vehicular inter-networking, systems, and applications
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Internet connectivity is nowadays an ubiquitous service. However, on the road we obtain access using costly and limited data cellular network subscriptions. This, along with significant network congestion, severely limits network use. Opportunistic access to indoor APs is limited by three factors. First, establishing a link to an AP requires a significant amount of time, and, second, links on the street usually have poor quality. Third, the lifetime of this link is very short in a moving car, due to indoor APs generally covering small areas of the street. Combined, these factors thwart opportunistic use of APs for Internet access. In this paper, we propose a novel approach that leverages the large number of parked cars to separate these three factors and tackle them independently: a parked car can connect to an AP with a link that, despite its poor quality, has a long lifetime. A moving vehicle can instead benefit from the better link with a parked car and use it as a relay. As our experiments show, our approach enables the use of this free, high throughput channel for a number of non time-sensitive applications, thus reducing cost and the load on the cellular network.