Adaptive Quality of Service for Wireless Ad hoc Networks Seoung-Bum Lee This thesis contributes toward the design of a new adaptive quality of service (QOS) paradigm for wireless ad hoc networks. We address some of the key performance problems in the broader realm of wireless ad hoc networks, including mobile ad hoc networks and emerging wireless ad hoc sensor networks. Wireless ad hoc networks...

Ab8tmct-A mobile ad-hoc network is composed of only mobile nodes, which are distributed dynamically, without any wired backbone or centralized entities. Each terminal in the mobile ad-hoc network also has the role of the router, but the frequent changes of the terminal positions induce the waste of time, energy and computing power for updating the routing table with the paging, and also may pro...

|Secure and eÆcient communication among a set of mobile nodes is one of the most important aspects in ad-hoc wireless networks. To ensure the security, several cryptography protocols must be implemented. Due to the resource scarcity in wireless networks, the protocols must be communication eÆcient and need as less computational power as possible. To secure the group broadcasting in wireless net...

A mobile ad hoc network (MANET) is a collection of wireless mobile hosts forming a temporary network without the aid of any stand-alone infrastructure or centralized administration. Mobile Ad-hoc networks are self organizing and self-configuring multichip wireless networks where, the structure of the network changes dynamically. A routing protocol in MANET should fairly distribute the routing t...

Recent advancements in technology and computing environments have extended the scope of classification criteria for traditional grids to include wireless, mobile and ad hoc grids based on the criteria of Accessibility. The realization of the benefits of grids to a larger extent is based on the effective discovery of resources (which could be heterogeneous in nature) that are part of the grid. T...

Mobile Ad Hoc Networks are communication networks built up of a collection of mobile devices which can communicate through wireless connections. Mobile Ad-hoc network (MANET) has emerged as the self organized wireless interconnection for the various applications in random topology. However, achieving reliable multicast transmission in MANET is crucial due to the change in network topology cause...

Integrating Wireless Sensor Networks and Mobile Ad-hoc NETworks for enhanced value-added services

Mobile ad hoc networks are temporary networks, with varying network topologies. They communicate beyond transmitter range and are supported by multi hop communication through IP routing. Since Mobile Ad Hoc Network is a roaming network, where the host may be connected through various means to the Internet other than it’s fixed-address domain space, it becomes important for the host to have dyna...

In recent years, Mobile Ad-hoc Networks have received an immense attention in both industry and academia as they provide dynamic networking services. Such networks are rapidly deployable in the future, so secure wireless environment will be obligatory. In mobile ad hoc networks, due to unreliable wireless media, lack of fixed infrastructure and host mobility, providing secure communications is ...