This SpringerBrief focuses on the network capacity analysis of VANETs, a
key topic as fundamental guidance on design and deployment of VANETs is
very limited. Moreover, unique characteristics of VANETs impose
distinguished challenges on such an investigation. This SpringerBrief
first introduces capacity scaling laws for wireless networks and briefly
reviews the prior arts in deriving the capacity of VANETs. It then
studies the unicast capacity considering the socialized mobility model
of VANETs. With vehicles communicating based on a two-hop relaying
scheme, the unicast capacity bound is derived and can be applied to
predict the throughput of real-world scenarios of VANETs. The downlink
capacity of VANETs is also investigated in which access infrastructure
is deployed to provide pervasive Internet access to vehicles. Different
alternatives of wireless access infrastructure are considered. A lower
bound of downlink capacity is derived for each type of access
infrastructure. The last section of this book presents a case study
based on a perfect city grid to examine the capacity-cost trade-offs of
different deployments since the deployment costs of different access
infrastructure are highly variable.