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Cross-layer Design Routing and MAC Protocol for Mobile Ad Hoc Networks

Author: HuangXiaoBin
Tutor: HuaZuo
School: University of Science and Technology of China
Course: Information Security
Keywords: Mobile ad hoc networks Cross-layer design MAC protocol Routing Protocol OPNET simulation
CLC: TN929.5
Type: Master's thesis
Year: 2011
Downloads: 91
Quote: 0
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Abstract


Mobile ad hoc networks (Moible Ad Hoc Network, MANET) is a highly dynamic topology and node to any mobile ad hoc networks. Such networks have no the independent fixed infrastructure by a group of autonomous wireless nodes or terminal collaborate and complete network communication, and distributed network management. Mobile ad hoc network is a combination of mobile communication and computer network network, the intersection of mobile communications and computer networks. The one hand, information exchange mobile ad hoc networks using packet switching mechanism in a computer network, rather than the circuit switched telephone network exchange mechanism; On the other hand, the network terminal can move with a wireless transceiver mechanism equipment. Mobile nodes can move not only in self-organizing network, but also has the function of routers and hosts. Mobile ad hoc networks can be anywhere, any time to quickly set up a communication network, a wide range of applications in emergency communications and disaster relief. The routing protocol has been hot and difficult in mobile ad hoc networks. Currently, researchers have proposed dozens of MANET routing protocols. These routing protocols can be divided into the table-driven routing, on-demand routing, location-based routing, hierarchical routing and multi-path routing. Each routing protocol are developed and designed for the specific application environment, what kind of routing protocols can be applied in all cases. Therefore, the scene, according to the actual application design and development with suitable routing protocols. In this paper, the more number of nodes, the nodes communication domain wide and high node density mobile ad hoc networks proposed cross-layer optimization design of MAC / routing protocol. At the MAC layer, we use the time division multiplexing and frequency division multiplexing hybrid MAC protocol is assigned a channel, reducing the channel collision in the network. Routing layer, we use a two-tier clustering routing algorithm to improve the utilization of the channel. In mobile ad hoc networks, MAC layer protocols and routing layer protocols not exist in isolation, they need each other to share information, to adjust their own configuration parameter changes according to each other's functions. In order to improve and optimize the performance of the network, we consider the joint design routing and MAC layer, so that does not have clear boundaries between the MAC layer and routing layer cross-layer optimization method, able to share each other's information. OPNET simulation platform for the various modules of the protocol's AODV and GPSR agreement of typical performance.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications
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