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In this paper, we extends bandwidth balancing technique in wired networks to operate in mobile ad hoc networks (MANETs). In bandwidth balancing in Distributed-Queue-Dual-Bus (DQDB), different nodes occupy the same channel, and information about the bandwidth is transferred between nodes in the unused bandwidth. Similarly, in wireless networks, the capacity on a channel is shared by several sources...
An essential part of the provision of quality of service (QoS) is the reservation of bandwidth which is a scarce resource in a mobile ad hoc network. In this paper, we describe how to enhance the guarantees for bandwidth reservation in a Time Division Multiple Access (TDMA) based ad hoc network where the bandwidth is expressed in terms of the number of time slots. We devise a scheme for determining...
NEWSKY is a project aiming at the integration of various communication links into an all-IP based network. This network shall be based on IPv6 and commercial of the shelf products (COTS). Technical work packages have defined solutions for quality of service, mobility, inter- and intra- network handover, and security. In order to validate the derived concepts a realistic topology has been built which...
Mobile ad hoc network consists of collection of wireless mobile nodes dynamically forming a network without the use of any existing network infrastructure. Each node act as both host and router and communicate with other if they are within the radio range. The dynamic topology of wireless mobile ad hoc networks make routing is challenging one. Routing protocols for mobile ad hoc networks (MANETs)...
Cognitive radio (CR) improves utilization of the overall radio spectrum through dynamic adaptation to local spectrum availability. In CR networks, unlicensed or secondary users (SUs) may operate in underutilized spectrum owned by the licensed or primary users (PUs) conditional upon PU encountering acceptable interference levels. A cognitive wireless ad hoc network (CWAN) is a multihop self-organized...
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