A Survey on Mobility Models in Mobile Ad-Hoc Networks

In Ad-hoc networks, routes are mostly multihop and network hosts communicate via packet radios. Each host moves in an arbitrary manner and thus routes are subject to frequent disconnections. In typical mobile networks, nodes exhibit some degree of regularity in the mobility pattern.

By exploiting a mobile user's non-random travelling pattern, we can predict the future state of network topology and thus provide a transparent network access during the period of topology changes.

The main characteristics of Ad-hoc wireless networks include mobility which is one of the major characteristics of most Ad-hoc wireless environments. There are several exceptions where mobility does not need to be considered, but when we want to construct the virtual backbone, it is necessary to take into account mobility. A global positioning system (GPS) can be used to handle the mobility problems, but its usage must be limited as secondary information because the location information such as latitude longitude and height does not directly relate to the connectivity