نتایج جستجو برای: mobile ad hoc network
تعداد نتایج: 887515 فیلتر نتایج به سال:
A mobile ad hoc network is a continuously self-configuring, infrastructure-less network of mobile devices connected without wires. They use wireless connections to connect to various networks.One new type of ad-hoc network in Vehicular Ad-Hoc Network in which vehicles constitute the mobile nodes in the network. The ad-hoc protocols in Mobile Ad-Hoc network is already is introduced earlier. But ...
MANET is the collection of various wireless mobile nodes. Security is of high concern in mobile ad hoc network as it has no centralized authority which can oversee the particular node working in the network. The attacks can be preformed from both inside and outside the network. Nodes within surrounding to gain common radio link can be often used to set up ad hoc infrastructure. But the safe com...
In recent years mobile networks have expanded dramatically, compared with other wireless networks. Routing protocols in these networks are designed with the assumption that there is no attacker node, so routing protocols are vulnerable to various attacks in these networks. In this paper, we review the network layer attacks and then we simulate the impact of black hole attack on ad hoc on demand...
A mobile ad hoc network is a collection of mobile wireless nodes that can dynamically form a network without necessarily using any pre-existing network infrastructure. In general, routes between nodes in an ad hoc network may include multiple hops. Due to the potential ease of deployment, many practical applications have been conceived for ad hoc networks, including personal area networking, ho...
in this paper, an efficient fault-tolerant routing algorithm for mobile ad-hoc networks (manets) is presented. the proposed algorithm increases the network fault-tolerance using natural redundancy of ad-hoc networks. this algorithm is carried out in two stages; 1) the selection of backup nodes 2) the selection of backup route(s). in the first stage, the proposed algorithm chooses nodes with the...
Now a day, security in Mobile Ad hoc Network (MANET) is very important issue. Due to dynamic topology and mobility of nodes, Mobile Ad hoc Networks are more vulnerable to security attacks than conventional wired and wireless network. Nodes of Mobile Ad hoc Network communicate directly without any central base station. That means in ad hoc network, infrastructure is not required for establishing...
An ad hoc network is a collection of wireless mobile hosts forming a temporary network without the aid of any established infrastructure or centralized administration. In such an environment, it may be necessary for one mobile host to want the aid of other hosts in forwarding a packet to its destination, due to the limited range of each mobile host's wireless transmissions. In this paper Ad Hoc...
due to limitations in computing resources of mobile nodes, mobile ad-hoc networks (manets) are very fault-prone. so far, redundancy at different levels of the network has been considered an efficient strategy to enhance the fault-tolerance of networks. indeed, ad-hoc networks are extremely redundant; therefore, natural redundancy to fault tolerance enhancement has a great impact on the network ...
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