Landmark routing in ad hoc networks with mobile backbones
Journal of Parallel and Distributed Computing - Special issue on Routing in mobile and wireless ad hoc networks
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Several routing schemes proposed for ad hoc networks assume that all mobile hosts have the same transmission power and bandwidth constraints. However, in real world, this assumption may often not be true since there exist many types of mobile hosts with different transmission capacity and mobility rate. This paper discusses a new ad hoc network architecture, called `Physically Hiera rchical Ad Hoc Networks'' where two kinds of mobile hosts form the ad hoc network hierarchy: Super Mobile Hosts(Super-MHs) and Mini Mobile Hosts (Mini-MHs). The paper presents a protocol for routing in such a network. The protocol is based on the idea that most communication between Mini-MHs can be provided through a Super-MH playing the role of mobile base station for Mini- MHs.