نتایج جستجو برای: wireless ad hoc network
تعداد نتایج: 812441 فیلتر نتایج به سال:
An ad-hoc network of wireless nodes is a temporarily formed network, created, operated and managed by the nodes themselves. It is also often termed an infrastructure-less, self-organized, or spontaneous network. Nodes assist each other by passing data and control packets from one node to another, often beyond the wireless range of the original sender. The execution and survival of an ad-hoc net...
An ad hoc network is a distributed and self-organized network, where wireless terminals exchange network information with neighbor terminals and construct a multi-hop network. The topology of such a network changes frequently because of the unsettled wireless environment and/or terminal mobility. Consequently, appropriate route maintenance is necessary. In this thesis, we first focus on a comme...
Recent advances in wireless networks have enabled us to deploy and use mobile ad hoc networks for communication between the rescue officers in disaster recovery and reconstruction operations. This highly dynamic network does not require any infrastructure or centralized control. As the topology of the network remain dynamic, severe performance limitations incur with traditional routing strategi...
In this position paper we argue that applications for the communication between vehicles do not require the functionality typically offered by mobile ad-hoc-networks or wireless sensor networks. Consequently the name Vehicular Ad-Hoc Network (VANET) is a misnomer leading practitioners and researchers astray. In order to make our point we briefly outline the characteristics of Mobile Ad-Hoc Netw...
An ad hoc network is a set of mobile units connected by wireless technologies, making an infrastructureless temporary network. without turning to a central administration. The network topology is unpredictable, dynamic, it may change any time. These topology changes make ad hoc networks challenging to implement routing protocols. In this paper, we study mobility effects on the performance of se...
WP02/1 Abstract— Technological advances in wireless communications have made it possible the existence of an ad hoc network which is roughly a multi-hop wireless network of mobile nodes without any fixed infrastructure. The nodes of the ad hoc network operate in a distributed manner and share a common medium for data transmission. The Medium Access Control (MAC) protocol is a set of rules deter...
Routing and related resource allocation issues present special challenges in ad hoc networks. Typically, every node in an ad hoc network serves as a router for other nodes, and paths from source to destination often require multiple hops. Compared to wired networks, wireless ad hoc networks have less bandwidth, longer paths, and less stable connectivity, all of which render routing protocols fr...
Modified AODV Routing Protocol Using Artificial Swarm Intelligence Technique in VANET Communications
Two types of ad hoc networks in mobile communications are mainly existing; one is Mobile Ad Hoc Network (MANET) and other one Vehicular Ad Hoc Network (VANET). Vehicular Ad Hoc Network (VANET) is highly demanded wireless ad hoc network. It is based on IEEE 802.11 wireless standard, which facilitates vehicle to vehicle and vehicle to roadside communications through air interface. Federal Communi...
Mobile ad hoc networking (MANET) is a growing technology that can support the operation of adaptive wireless networks. With the increased demand rate of wireless applications it is useful to have more adaptive and selforganizing technologies that adapt to changes within a network region. In this paper we initially present a brief listing of table driven ad hoc routing protocols and eventually a...
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