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Low-power personal area networks (LoWPANs) are still in its early stage of development, but the range of conceivable usage scenarios is tremendous. The numerous possible applications of Wireless Sensor Networks (WSNs) make obvious that mesh and multi-technology topologies will be prevalent in LoWPAN environments and mobility support will be a necessity. Mobility based communication can prolong the...
Topology control aims to provide more spatial reuse and power conservation while keeping network's connectivity. However just a few number of efforts focused on the issue of topology control with mobility. Some of topology control algorithms (e.g. CEC) try to provide more energy conservation by sleeping the redundant nodes. This paper presents a sleep-based topology control algorithm, which is in...
In public safety and disaster recovery (PSDR) scenarios, reliable communication is an imperative. Unfortunately, communication infrastructure is often destroyed or overwhelmed by whatever precipitated the scenario (e.g., a hurricane or terrorist attack). Thus, the PSDR workers must often deploy their own communications infrastructure on-site. Wireless mesh networks (WMN) have been identified as being...
Nowadays, there is an important effort in the research community to connect mobile devices in ad hoc networks with the Internet. In order to allow the connectivity to the Internet, a gateway that supports the wired single-hop and wireless multi-hop approaches is necessary. The wireless node, as laptops or personal digital assistants, must select the best gateway from the information that these elements...
The support of ad-hoc networks as extension of infrastructure operator networks is increasing its strength in next generation networks, due to the increasing requirement for ubiquitous access of the users. This paper describes the ad-hoc network integration mobility architecture being developed inside the IST project Daidalos II. The main purpose of this architecture is to seamlessly support the movement...
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