Mobility increases the capacity of ad hoc wireless networks
IEEE/ACM Transactions on Networking (TON)
On the behavior of communication links of a node in a multi-hop mobile environment
Proceedings of the 5th ACM international symposium on Mobile ad hoc networking and computing
Mobility assessment for MANETs requiring persistent links
WiTMeMo '05 Papers presented at the 2005 workshop on Wireless traffic measurements and modeling
Theory, Volume 1, Queueing Systems
Theory, Volume 1, Queueing Systems
The message delay in mobile ad hoc networks
Performance Evaluation - Performance 2005
Degenerate delay-capacity tradeoffs in ad-hoc networks with Brownian mobility
IEEE/ACM Transactions on Networking (TON) - Special issue on networking and information theory
Code torrent: content distribution using network coding in VANET
MobiShare '06 Proceedings of the 1st international workshop on Decentralized resource sharing in mobile computing and networking
BlueTorrent: Cooperative Content Sharing for Bluetooth Users
PERCOM '07 Proceedings of the Fifth IEEE International Conference on Pervasive Computing and Communications
Power law and exponential decay of inter contact times between mobile devices
Proceedings of the 13th annual ACM international conference on Mobile computing and networking
Capacity scaling in delay tolerant networks with heterogeneous mobile nodes
Proceedings of the 8th ACM international symposium on Mobile ad hoc networking and computing
Characterizing pairwise inter-contact patterns in delay tolerant networks
Proceedings of the 1st international conference on Autonomic computing and communication systems
Toward stochastic anatomy of inter-meeting time distribution under general mobility models
Proceedings of the 9th ACM international symposium on Mobile ad hoc networking and computing
A deterministic approach to throughput scaling in wireless networks
IEEE Transactions on Information Theory
Impact of source counter on DTN routing control under resource constraints
MobiOpp '10 Proceedings of the Second International Workshop on Mobile Opportunistic Networking
Fast track article: Impact of source counter on routing performance in resource constrained DTNs
Pervasive and Mobile Computing
Impact of correlated mobility on delay-throughput performance in mobile ad hoc networks
IEEE/ACM Transactions on Networking (TON)
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Mobile wireless networks with intermittent connectivity, often called Delay/Disruption Tolerant Networks (DTNs), have recently received a lot of attention because of their efficiency in various application scenarios where delay is noncritical. DTN routing and transport protocols effectively overcome partial connectivity by letting the nodes carry-and-forward data. The scalability of DTN protocols is very important for protocol design and evaluation. In particular, we need models that allow us to predict the performance of DTN as a function of node mobility behavior (e.g., inter-contact times). Yet so far little work has been done to develop a unified framework that formalizes DTN performance as a function of motion behavior. In this paper, we represent DTNs as a class of wireless mobile networks with intermittent connectivity, where the inter-contact behavior of an arbitrary pair of nodes can be described by a generalized two-phase distribution (i.e., a power-law head with an exponential tail). Recent experiments have confirmed that the two-phase distribution is the most realistic model for vehicular and pedestrian scenarios, where the specific shape of the distribution depends on the degree of correlation among mobile traces. Using this DTN model, we make the following contributions. First, we extend the throughput and delay scaling results of Grossglauser and Tse (derived for exponential inter-contact time distributions) to the two-phase distribution with motion correlation. Second, we analyze the impact of finite buffer on the capacity scaling properties of DTNs, again for different correlation behaviors. Finally, we validate our analytical results with a simulation study.