Measuring the capacity of in-car to in-car vehicular networks

A particular class of vehicular networks is the one that includes off-the-shelf end-user equipment (e.g., laptops and PDAs) running from the interior of vehicles: in-car nodes. They are subject to limited communication conditions when compared with nodes specifically designed to this context. Existi...

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Bibliographic Details
Published in:IEEE communications magazine 2009-11, Vol.47 (11), p.128-136
Main Authors: Rubinstein, Marcelo Goncalves, Abdesslem, Fehmi Ben, De Amorim, Marcelo Dias, Cavalcanti, Savio Rodrigues, Santos Alves, Rafael Dos, Maciel Kosmalski Costa, Luis Henrique, Muniz Bandeira Duarte, Otto Carlos, Mitre Campista, Miguel Elias
Format: Magazinearticle
Language:English
Subjects:
Antenna measurements
Antennas
Computer Science
End users
Hardware
IP networks
Laptop
Links
Networks
Peer to peer computing
Performance evaluation
Roofs
Running
Safety
Telecommunication traffic
Testing
Throughput
Vehicles
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Summary:A particular class of vehicular networks is the one that includes off-the-shelf end-user equipment (e.g., laptops and PDAs) running from the interior of vehicles: in-car nodes. They are subject to limited communication conditions when compared with nodes specifically designed to this context. Existing works either consider antennas installed on top of the vehicle roof or nodes that operate in infrastructure mode. In this article, we investigate through real experiments the characteristics of links formed by in-car nodes running off-the-shelf wireless technologies such as IEEE 802.11(a/g) in ad hoc mode. We surprisingly observe that in-car nodes do show enough performance in terms of network capacity to be used in a number of applications, such as file transfer in peer-to-peer applications. Nonetheless, we identify some key performance issues and devise a number of configuration recommendations and future work directions.
ISSN:0163-6804
1558-1896
DOI:10.1109/MCOM.2009.5307476