In this chapter, we investigate the throughput capacity of social-proximity vehicular networks. The considered network consists of N vehicles moving and communicating on a scalable grid-like street layout following the social-proximity model: each vehicle has a restricted mobility region around a specific social spot, and transmits via a unicast flow to a destination vehicle which is associated with the same social spot. Furthermore, the spatial distribution of the vehicle decays following a power-law distribution from the central social spot towards the border of the mobility region. With vehicles communicating using a variant of the two-hop relay scheme, the asymptotic bounds of throughput capacity are derived in terms of the number of social spots, the size of the mobility region, and the decay factor of the power-law distribution. By identifying these key impact factors of performance mathematically, we find three possible regimes for the throughput capacity and show that inherent mobility patterns of vehicles have considerable impact on network performance.
Unicast Capacity of Vehicular Networks with Socialized Mobility
SpringerBriefs in Electrical
2013-08-22
26 pages
Article/Chapter (Book)
Electronic Resource
English
Social Spots , Regional Mobility , Throughput Capacity , Destination Vehicle , Unicast Flows Computer Science , Computer Communication Networks , Communications Engineering, Networks , Power Electronics, Electrical Machines and Networks , Computer Systems Organization and Communication Networks , Engineering
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