نتایج جستجو برای: wireless mesh networks
تعداد نتایج: 518010 فیلتر نتایج به سال:
There has been a growing interest in the use of wireless mesh networks. Today’s wireless technology enables very high data rate up to hundreds of Megabits per second, which creates the high demand of supporting real-time multimedia applications over wireless mesh networks. Hence it is imperative to support quality of service (QoS) in wireless mesh networks. In this paper, we design a framework ...
It is well-known that the throughput of wireless mesh networks without frequency re-use decreases as O(1/N), where N is the number of nodes in the network. In this paper we build on this result and obtain expressions for calculating the throughput in IEEE 802.11-based mesh networks without interference. Both expressions for single-frequency and multifrequency mesh networks are obtained. We comp...
Wireless mesh networks are multi hop wireless networks with high performance requirements. To enhance the performance, a large number of routing protocols have been proposed focussing on various link properties.The metrics designed to capture various link properties make an important assumption that nodes cooperate in network operations. On the other hand, the nodes are spread over larger area ...
Wireless Mesh Networks (WMNs) represent a new and promising paradigm that uses multi-hop communications to extend WiFi networks: By deploying only one hot spot (directly connected to the Internet) and several transient access points (TAPs), an Internet Service Provider (ISP) can extend its coverage and serve a large number of clients using a single broadband connection. Unfortunately, if the me...
The aggregate capacity of wireless mesh networks can be improved significantly by equipping each node with multiple interfaces and by using multiple channel in order to reduce the effect of interfaces .Wireless Mesh Networks (WMNs) have the potential for improving network capacity by employing multiple radios and multiple channels (MRMC).Several efforts have been made to increase capacity. One ...
Ambient intelligence is the driving force of the new digital world. The trend is to equip everyday life objects even inside home environment with intelligence, which will make our lives easier and more productive. Wireless mesh networking (WMN) has emerged as a promising concept to meet such challenges. This paper considers the problem of achieving QoS inside home networks relying on a wireless...
In this project, we investigate the issue of measuring endto-end bandwidth in wireless mesh networks. Bandwidth measurement is an active research topic in the networking area as the information of link capacity and available bandwidth is essential for the network management, traffic control, and QoS provisioning. Although quite a few research progresses have been made in the wired networks, the...
We define a utility-based framework for joint channel assignment, topology control and routing in multi-rate multi-radio wireless mesh networks, and present a greedy algorithm for solving the corresponding optimization problem. A key and novel feature of the proposed approach is the support for different target objectives, which are defined as utility functions of the MAC layer throughput, that...
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