Capacity upgrading in mobile ad hoc access networks (MAHANs) using CSMA/CAPA

Hsu, Chun‐Yen; Wu, Jean-Lien C.; Wang, Shun-Te

doi:10.1145/1164783.1164789

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2009

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“…Moreover, results from studies of networks capacity suggest that, capacity wise, ad-hoc networks are not very scalable [8,18,21,23,24], at least when there are no restrictions on the mobility model and on communication patterns. On the other hand, by combining a sufficient number of access points with ad-hoc networking, the capacity of the network can remain constant for any network size [4,27,48].…”

Section: Motivationmentioning

confidence: 99%

Efficient route discovery in hybrid networks

Friedman¹,

Shotland²,

Simon³

2009

Ad Hoc Networks

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a b s t r a c t Hybrid networks are formed by a combination of access points and mobile nodes such that the mobile nodes can communicate both through the access points and using ad-hoc networking among themselves. This work deals with providing efficient routing between mobile devices in hybrid networks. Specifically, we assume the existence of a spanning tree from each access point to all mobile devices within the transitive transmission range of the access point. We utilize this spanning tree to design a family of efficient point-to-point routing protocols for communication between the mobile devices themselves. The protocols utilize the tree structure in order to avoid expensive flooding of the entire network. The paper includes a detailed simulation study of several representative communication patterns, which compares our approaches to DSR.

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