WMN Simulation

Wireless Mesh Networks (WMNs) are currently attracting a lot of attention from wireless research and technology communities due to their ability for providing cost-effcient broadband wireless connectivity. WMNs are showing their usefulness to development and deployment of medical, transport and surveillance applications in urban areas, metropolitan, neighboring communities and municipal area networks.

WMN Topology

WMNs are based on mesh topology, in which every node (representing a server) is connected to one or more nodes, enabling thus the information transmission along more than one path. In a WMN, mesh routers and mesh clients are typical nodes. Mesh routers are similar to normal routers but incorporate also additional functions to support mesh networking, and are usually equipped with multiple interfaces to work with different wireless technologies. This type of routers has the ability to provide the user coverage with much less transmitter power through multihop com munications and can be installed on either a dedicated or on a general purpose machine. On the other hand, mesh clients have the necessary functions for mesh networking. In fact, they could as well be able to act as routers but do not have the functionality of a gateway or bridge. Their single wireless interface with the hardware and software platform is much simpler than that of mesh routers.

WMN Architecture

Different types of WMN infrastructures exist. These include Infrastructure/backbone WMNs, Clientmeshing architecture and Hybrid WMNs. We consider the Infrastructure/backbone WMNs architecture (also known as infrastructuremeshing) which consists of a grid of mesh routers, connected to different mesh clients.

WMN Performance

The performance and operability of WMNs largely depends on placement of mesh routers nodes in the geographical area to achieve network connectivity, stability and user coverage. The evaluation of performance in WMNs is mainly done by simulation due to the advantages that simulation provides in computing the node placement before network infrustructure deployment. In the case of the mesh router node placement, the simulation of node placement provides thus means to evaluate the effectiveness of different node placements.

This webpage serves as a simple user interface for remotely executing several resolution methods for mesh routers node placements in WMNs.

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