The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
There has been rapid growth in the area of wireless communication by Wireless Mesh Networks (WMNs) where routing metric is the key metric to find the optimized route in WMNs. For obtaining optimal performance, integrating multiple performance metrics into a routing protocol is effective, as single metric will not be able to satisfy the thorough requirement of WMNs. This paper has proposed a new routing...
Wireless Mesh Networks (WMNs) are attracting a lot of attention from wireless network researchers, because of their potential use in several fields such as collaborative computing and communications. In this paper, we present the implementation of a testbed for WMNs using Raspbian OS. We analyze the performance of Optimized Link State Routing (OLSR) protocol in an indoor environment considering Transmission...
Wireless Mesh Networks (WMNs) are attracting a lot of attention from wireless network researchers, because of their potential use in several fields such as collaborative computing and communications. In this paper, we present the implementation of a testbed for WMNs using Raspbian OS. We analyze the performance of Optimized Link State Routing (OLSR) protocol in an indoor scenario. For evaluation we...
Wireless Mesh Networks (WMNs) are attracting a lot of attention from wireless network researchers, because of their potential use in several fields such as collaborative computing and communications. Considering mobility of the terminals, routing is a key process for operation of WMNs. In this paper, we present the implementation of a testbed for WMNs. We analyze the performance of Optimized Link...
In rural areas in Africa, the topographical conditions vary, including hilly areas or flat open areas with bushes, trees and vegetation. In some cases, road and infrastructure conditions are exceedingly poor, making it challenging and costly to provide necessary maintenance and support to communication networks. When a node goes offline the remaining nodes must be able to re-establish links with each...
This paper investigates the design of effective routing metrics in the purpose of network resources optimization and the satisfaction of users QoS requirements. Using several real experiments, we point out the shortcoming of the Expected Transmission Count (ETX) metric for eventual optimizations towards a more efficient routing. Experiments were carried out into an heterogeneous IEEE 802.11n based...
Wireless mesh network is a flexible, low cost and multi-purpose networking platform with wired infrastructure connected to the internet. In WMN nodes often have a limited battery supply to use for the sending and reception of transmissions. Routing protocols over WMN are an important issue and many proposals have been addressed to efficiently manage topology information, to offer network scalability...
Wireless Mesh Networks (WMNs) consist of static router backbone which provide connectivity and coverage to mobile clients. They can also be viewed as a special case of wireless multi-hop Mobile Ad-hoc Networks (MANETs). The IETF group as well as the IEEE 802.11s working group have recommended applicability of several existing MANETs routing protocols for WMNs. However, in WMNs, client to client communications...
Routing protocols for mesh and ad-hoc networks are designed under the assumption that the underlying channel is unreliable and nodes may be mobile. Therefore, route failure detection and recovery are important components of the design. However, under high traffic scenarios, an aggressive route failure detection technique may create a chain of routing messages which interfere with the data communication...
Wireless Mesh Networks (WMNs) research has matured in recent years and implementations are being tested around the world. In a WMN, participating nodes are automatically configured allowing them to communicate among their peers via multiple hops when no direct physical connectivity exists. Increasing demand for real-time multimedia content poses a challenge for the typical WMN routing protocols such...
Safety critical applications of IEEE 802.15.4 networks require autonomous network reconfiguration and dynamic meshing in case of node failures or changing environmental influences. In contrast to the classical approach of wireless sensor networks, this paper focuses on the development of enhanced network services like multimedia transmissions in a gas concentration monitoring scenario. Therefore,...
A detailed overview of Wireless Mesh Network (WMN) and the routing protocols used in it is given in this paper. Along with that a comparative analysis of different categories of ad hoc routing protocols is performed on a set of simulations which differs in the number of wireless nodes participating. The analysis is based on different performance metric like Delay, Throughput, Average Route Discovery...
Today, it is still hard to form an alternative network in a maritime environment besides using costly satellite links because of the lack of wireless infrastructure at sea. In the TRITON project, we are exploring the use of WiMAX-based mesh technology for over the horizon ship-to-ship communications with Delay Tolerant Network (DTN) features to provide less expensive wireless communication services...
We envisage extending the coverage of existing terrestrial wireless broadband wireless networks to the sea so that cost-efficient wireless access is available to the ships near the shore. The coverage extension is achieved through a multi-hop WiMAX wireless mesh networks where ships, maritime beacons and buoys are the nodes. In such a multi-hop network, routing protocol plays an important role in...
The increasing demand of multimedia applications requires a new conduct of routing protocols for Wireless Mesh Networks (WMN). It is necessary to support the minimum requirements for Quality of Service (QoS). In this work we propose an extension to the proactive Optimized Link State Routing (OLSR) protocol that differentiates the data traffic and multimedia traffic, in order to provide quality of...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.