نتایج جستجو برای: wireless mesh networks
تعداد نتایج: 518010 فیلتر نتایج به سال:
Wireless mesh networks is a type of mobile ad-hoc networks. In WMNs, all nodes are static or related with fixed position. WMNs have a default routing protocol, hybrid wireless mesh protocol, which is root constrained and tree-based proactive routing protocol. During reactive routing, it always initiates with PREQ broadcasting message. However, problems exist in this routing protocol, such as la...
The wireless mesh networksare considered as one of the vital elements in today’s converged networks,providing high bandwidth and connectivity over large geographical areas. Mesh routers equipped with multiple radios can significantly overcome the capacity problem and increase the aggregate throughput of the network where single radio nodessuffer from performancedegradation. Moreover, the market...
The Active Network paradigm offers the attractive capability of being able to carry executable payloads that can change the characteristics of a given platform. In other words, network nodes not only forward packets, but also perform customized computation on the packets flowing through them. It provides a programmable interface to the user. Wireless mesh networking is emerging as an important ...
Even though Wireless Mesh Networks (WMN’S) have immediately been effectively installed but the dual utilization of wireless communication makes them extremely resource needy. The proposed concept Cognitive Radio’s (CR’s) is a good result to furnish WMN’S with extra data transfer capacity by enhanced its efficiency. Likewise, we accept that applying CR’s to WMN’S can be advantageous to CR’s for ...
Wireless technology promises a realization of the long-standing vision of ubiquitous high-speed Internet access. WiFi-based wireless mesh networks that provide user access and wireless data transport over a multi-hop backhaul network are a promising incarnation of the above vision. However, while WiFi is successfully used to provide user connectivity via access points, we note that currently de...
Wireless Mesh Networks (WMNs) consist of radio nodes organized in a mesh topology for serving wireless mesh clients to communicate with one another or to connect to the Internet. Nodes in a mesh network can communicate with each other either directly or through one or more intermediate nodes, similar to social networks. WMNs share many common properties with social networks. We first identify t...
---------------------------------------------------------------------------ABSTRACT------------------------------------------------------------------------------As various wireless networks evolve into the next generation to provide better services, a key technology, wireless mesh networks (WMNs), has emerged recently. There are number of issues in the deployment of WMNs. Amongst others securit...
Although wireless mesh networks (WMNs) have quickly been successfully deployed, the dual usage of wireless communication makes them very resource dependent. Proposed cognitive radio (CR) concepts appear to be a good solution to provide WMNs with additional bandwidth and improved efficiency. In addition, we believe that applying CR to WMN can be very beneficial to CR, speeding the development an...
To support reliable multicast routing in wireless mesh networks, it is important to protect multicast sessions against link or node failures. In this paper, we propose a resilient forwarding mesh approach for protecting a multicast session. Utilizing the wireless broadcast advantage, a resilient forwarding mesh effectively establishes two node disjoint paths for each source-destination pair. Th...
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